taxonID	type	description	language	source
4B56A974FFAC775EFCB9F503FADD42AE.taxon	description	Figure 4 A Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 8. IX. 2018; camera trap photographs; plots R 04, R 07, R 09, T 20, T 22, T 24, T 27, T 28; WA 404767. Identification. This species is small (34 cm in length), with brown eyes and bill, gray head with a white throat, brownish upper parts with black stripes on the lower back, light-yellow spots on the upper coverts of the wings and tail, and brownish underparts. It inhabits low elevations in the tropical rainforest (Erize et al. 2006).	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFAC775FFCB9F4C3FE0A4231.taxon	description	Figure 4 B Identification. This species is 28 cm long, brown with shades of gray on the neck and breast, and with a pale belly. The head and upper back are reddish-brown. The wings and lower back are barred with brown. Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 25. VIII. 2018; camera trap photographs; plots T 13, T 30, R 07, R 17; WA 4047666. Identification. This species is small (29 cm in length), with grayish-black plumage (Sick 1997); the cap is cinnamon-rufous, and the sides of the neck are streaked faintly with white (Erize et al. 2006).	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFAD775FFF3BF44AFDBB4D49.taxon	description	Figure 4 C Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 31. I. 2019; camera trap photographs; plot T 15; WA 4047645.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFAD775FFCB9F559FC3942C6.taxon	description	Figure 4 E Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 26. VIII. 2018; camera trap photographs; plots T 25, R 05; WA 4047642. Identification. The mean length of this species is 89 cm. The plumage of the body is black, and that of the tail has a whitish border. The beak is red, with a high culmen. Family Ardeidae	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFAD775FFCB9F7DDFA6A4327.taxon	description	Figure 4 D Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; on the access trail of the study grid; 08 ° 04 ′ 12 ″ S, 063 ° 28 ′ 24 ″ W; first record on 10. III. 2019; ca- mera trap photograph; WA 4047687. Identification. The mean length of this species is 70 cm. The upper plumage is greenish dark brown, and the feathers of the head, neck, mantle and breast have whitish borders. The plumage of the tail is olivaceous brown.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFAD7750FCB9F4FAFD354406.taxon	description	Figure 4 F Records. BRAZIL – Rondônia • Porto Velho, Esta Velho, Estação Ecológica de Cuniã; first record on 23. II. 2018; camera trap photographs; plot T 11; WA 4047680. Identification. This species has a mean length of 50 cm. The crown is black, and the forehead, head, and breast white. The beak is flattened. The upper parts of the body are gray, and the lower parts are cinnamon in color.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFA27750FF3BF7B1FCE140EA.taxon	description	Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; 7. I. 2019; sound record; plot T 13; WA 3841361. Identification. This species is 31 cm long and mostly gray. The tail is solid gray. The iris is pale, and the bill is black.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFA27750FCB9F6E3FAC7427E.taxon	description	Figure 5 A Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 4. VII. 2018; camera trap photographs; captured with mist-nets and banded; plots T 01, T 03, T 24, R 06; mist-netsCEMAVE-J 12162; males and females. Identification. This species is 24 cm long. There is a pale line on the face. Males have reddish-brown plumage, but in females is the plumage is olivaceous brown.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFA27750FF3BF2F6FCE14790.taxon	description	Figure 4 G Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 21. VII. 2018; observation; plot T 07; WA 3817977. Identification. This species is 32 cm in length. The head and upperparts are gray. The underparts area are rufous with a varying amount of pale barring. The throat is pale and with a median, black streak that is often noticeable.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFA27750FF3BF5EFFE6D4D49.taxon	description	Figure 4 J Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 21. IX. 2018; captured with mist-nets and banded; plot R 18; CEMAVE-J 49770. Identification. This species is 26 cm in length. The back is grayish-brown and the bill is black. The forehead is whitish gray, with the sides of the head and neck ochraceous, and the underparts are brownish. The iris is brown, with red orbital skin.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFA27750FF3BF698FD1B43D5.taxon	description	Figure 4 I Records. BRAZIL • Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 7. I. 2019; camera trap photographs; plot T 30; WA 4047646. Identification. This species is 30 cm in length. Its plumage is brown with the breast lighter. The head is grayish, with metallic highlights on the nape and upper dorsum.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFA27750FF3BF061FE61413C.taxon	description	Figure 4 H Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 2. II. 2019; camera trap photographs; plots T 08, T 05; WA 4047679. Identification. This species is 50 cm in length. Its body plumage is dark with white wingtips which form a patch on the anterior body.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFA27751FCB9F4BBFE004316.taxon	description	Figure 5 B Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 25. VII. 2017; photographic record; trail L 4; WA 3826894. Identification. This species is 39 cm long. It has a bright red bill, gray cap, and a spot of bare, yellow skin in front of the eye. The iris is reddish iris. The body is reddish with a dusky lower belly. It has a very long, dark-chestnut tail with broad white tips.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFA37751FF3BF4C2FACA44EC.taxon	description	Figure 2 C Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 24. VII. 2017; photographic record; trail L 4; WA 3826894. Identification. This species is 25 cm long. It has a black bill with a yellow mandible. The eye-rings are gray, the head and upper parts are brown, and the underparts are white. The throat and breast have a grayish tint.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFA37751FF3BF5ABFD0942AF.taxon	description	Figure 5 C Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 18. VI. 2018; photographic record; camp; WA 3091346.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFA37751FF3BF5ABFD0942AF.taxon	discussion	Remarks. We observed this species feeding. Identification. This species is 27 cm long. It has gray upper parts and buff underparts. The orbital skin is yellow. It has dark tail, with large white spots, and a dark bill.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFA37751FCB9F2C3FAC74664.taxon	description	Identification. This species is 15 cm long. It call is a sequence of 10 – 36 short, unmodulated whistles which are slightly descending in frequency and volume, lasting up to 3 seconds, and repeated at regular intervals.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFA37751FCB9F7F6FAB04304.taxon	description	Figure 5 E Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 26. VII. 2018; captu- red with mist-nets and banded; plots T 05, T 30, R 11, R 16; CEMAVE-A 56521. Identification. This species is 8 cm long. Males have a black band across the breast, which in females is reduced or absent. Both sexes have a narrow black mask through the eye, bordered above with a rufous stripe. The bill is long, slightly decurved, and with a yellow lower mandible. The tapered tail feathers have whitish-buff tips.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFA37751FCB9F05BFA6A41C2.taxon	description	Figure 5 D Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 26. VII. 2018; captured with mist-nets and banded; plots T 29, R 02, R 10, R 12, R 15, R 16, R 18; CEMAVE-A 56515. Identification. This species is 11.5 cm long. The body is dark green, with a buffy broad band across the base of the neck, and a broad pale malar streak. The tail is white.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFA37752FCB9F5B9FE5844C8.taxon	description	Figure 5 F Records. BRAZIL – Rondônia • Porto Velho, Esta- ção Ecológica de Cuniã; first record on 26. I. 2018; captured with mist-nets and banded; plots T 01, T 02, T 04, T 05, T 07, T 08, T 09, T 10, T 12, T 15, T 17, T 18, T 19, T 20, T 22, T 23, T 24, T 25, T 27, T 28, T 29, R 02, R 03, R 04, R 05, R 06, R 07, R 08, R 09, R 10, R 11, R 12, R 15, R 16, R 17, R 18; CEMAVE-A 54901.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFA37752FCB9F5B9FE5844C8.taxon	discussion	Remarks. This species was the most abundant in the study grid at ESEC-Cuniã and was observed frequently in all the different habitat types, both in várzea forest and more open areas. Apparently, the species is not a habitat specialist. Identification. This species has a mean body length of 14 cm. The superciliary and infra-ocular bands are ochre and delimited by a black line. The upper plumage is green-ochraceous, and the wings are black. The underparts are orangey-ochre. Central tail feathers are elongated and with white tips.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFA07752FF3BF2FDFE3F4640.taxon	description	Figure 5 G Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 4. III. 2018; cap- tured with mist-nets and banded; plots T 12, T 29, R 11; CEMAVE-A 56526. Identification. This species has a mean body length of 14 cm. It has green upperparts and gray underparts. The tail is dusky, broad, and with large white tips. The bill is slightly decurved and black.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFA07752FCB9F7C9FC1B40B8.taxon	description	Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 25. I. 2018; captured with mist-nets and banded; plots T 06, R 08, R 09, R 12; CEMAVE-H 75622.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFA07752FF3BF610FEF7439C.taxon	description	Figure 5 I Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 29. I. 2018; captured with mist-nets and banded; plots T 10 T 18, T 25, T 29, R 03, R 07, R 10, R 11, R 16; mist-netsCEMAVE-A 54902; male and female. Identification. This species has a mean body length of 10 cm. The male has an iridescent-green throat and upper breast. The underparts are deep iridescent blue. The tail is bluish and forked, and the upperparts are dull green in males. In females the upperparts are green and the underparts are gray, with green on the sides of the breast and belly.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFA07752FF3BF074FEFD419D.taxon	description	Figure 5 H Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 11. VIII. 2018; captured with mist-nets and banded; plot T 15; CEMAVE- A 56507; female. Identification. This species has a mean body length of 23 cm in males and 14 cm in females. The male has iridescent, crimson plumage and a sparkling-green throat. Belly and breast are metallic orange-red. The wings are brown and maroon in their lower part. The long tail coverts are golden green. The bird has short, slightly curved beaks.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFA07752FCB9F2B6FB7547F1.taxon	description	Identification. This species has a mean body length of 25 cm. Males are iridescent blue on the head and breast and iridescent green on the back. Females are gray and have a noticeable, white eye ring.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFA07752FCB9F184FB2841B7.taxon	description	Family Alcedinidae Chloroceryle aenea (Pallas, 1764) Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 20. VIII. 2018; captu- red with mist-nets and banded; plots T 24, T 25, R 04, R 07, R 08, R 09, R 10, R 15, R 18; CEMAVE-D 85536; males and females. Chloroceryle inda (Linnaeus, 1766) Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 28. VII. 2018; captu- red with mist-nets and banded; plots T 25, T 29, R 05, R 09; CEMAVE-H 75610; males and females.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFA07752FF3BF46CFAE84402.taxon	description	Figure 6 A Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 11. I. 2019; photographic records; plot R 17; WA 3838905; female. Identification. This species has a mean body length of 28 cm. Males are dark iridescent blue on the head and breast, iridescent green on the back, and have a blue-gray bill and large, white tail tips which gives the impression of having a white underside of the tail. Females are dusky-gray and have a gray-blue bill and a white-barred underside of the tail, with white terminal spots.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFA07753FCB9F4F9FD9C45DA.taxon	description	photographic record; plot R 07; WA 3822213.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFA17753FF3BF7E1FE944323.taxon	description	Monasa morphoeus (Hahn & Küster, 1823) Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 28. VII. 2018; captured with mist-nets and banded; plot T 24, T 25, R 10; CEMAVE-J 49763.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFA17753FF3BF15BFF1141CC.taxon	description	Figure 3 A Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 15. I. 2019; photographic record; trail L 3; WA 3841845.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFA17753FF3BF15BFF1141CC.taxon	distribution	Distribution. This species is distributed in the western basin of the Madeira River to south of the Solimões River. It occurs in humid terra firme forests within the várzea and along the sides of roads. It is absent from the high forests on sandy soils and the campina and campinarana vegetation types (Whitney et al. 2013). Identification. The mean length of this species is 20 cm. The mantle has blackish feathers without pale terminal fringes, and the belly is pale with dark vertical streaks. The bill is yellow, and the crown and back are brown.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFA17753FF3BF4B5FC0B430C.taxon	description	Figure 2 A Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 15. I. 2019; photographic record; plot T 03; WA 3826331. Identification. This species has a mean length of 58 cm. The bill is dark red, while the culmen has a yellow stripe on top and blue stripe below, with a black basal line. The throat is white and with a red collar. The plumage is predominantly black.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFA17753FCB9F5A1FC004D49.taxon	description	Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 26. I. 2018; captu- red with mist-nets and banded; plots T 07, R 07; CEMA- VE-J 20939; males. Identification. This species measures 34 cm. The basal half of the bill is greenish-gray and the tip is black. Males have black plumage, and the underparts are dark green, while females have chestnut-colored plumage. The species has green skin around the eyes. It has a bright yellow post-ocular band.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFA67754FF3BF5E3FE224D48.taxon	description	Figure 2 B Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 24. VII. 2017; photographic record; trail L 3; WA 3829206. Identification. This species has a mean length of 40 cm and is the largest species of the genus. Its plumage is entirely green, covered with a very fine white powdering. The forehead is yellow, blue, and red, and there is a white bill and periothalmic ring.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFA67754FCB9F296FAFE42AA.taxon	description	Figure 6 C Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 06. III. 2018; plot T 24; CEMAVE-F 59547; female. Identification. This species has a mean length of 16 cm. The bill is bluish-gray, with the mandible upturned near its tip. Males are all black, while females have chestnut-colored underparts and black upperparts and head. Epinecrophylla haematonota (Sclater, 1857) Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 28. I. 2018; captured with mist-nets and banded; plots T 02, T 10, T 12, T 15, T 17, T 19, T 20, T 21, T 22, T 23, T 27, T 29, T 30, R 01, R 06, R 10; CEMAVE-C 70603; males and females. Myrmotherula axillaris (Vieillot, 1817) Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 24. I. 2018; captured with mist-nets and banded; plots T 01, T 02, T 05, T 06, T 07, T 08, T 09, T 10, T 13, T 15, T 17, T 21, T 22, T 28, T 29, R 03, R 05, R 06, R 07, R 12; CEMAVE-C 13573; males and females. Myrmotherula longipennis Pelzeln, 1868 Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 24. I. 2018; captured with mist-nets and banded; plots R 07, R 08; CEMA- VE-C 92120; male. Myrmotherula assimilis Pelzeln, 1868 Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 18. VIII. 2018; captured with mist-nets and banded; plot R 08; CEMAVE-C 92122. Thamnomanes saturninus (Pelzeln, 1868) Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 27. I. 2018; captured with mist-nets and banded; plot R 08; CEMAVE-E 164106; female. Thamnomanes caesius (Temminck, 1820) Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 23. VII. 2018; captured with mist-nets and banded; plots T 05, T 23, T 24, R 08, R 11; CEMAVE-D 77121; males and females.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFA67754FF3BF3ACFE944772.taxon	description	Pteroglossus beauharnaisii Wagler, 1831 Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 12. VIII. 2018; captured with mist-nets and banded; plot T 10; CEMA- VE-R 36667; male.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFA67754FF3BF7FAFEF14361.taxon	discussion	Remarks. We observed a collective flying over trail L 4. Identification. This species measures 22 cm long. It was identified by comparing its vocalization with the record- ings available at the Wikiaves and Xeno-canto digital platforms.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFA77755FCB9F066FC6441D2.taxon	description	Figure 6 F Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 19. VIII. 2018; cap- tured with mist-nets and banded; plot N 2; CEMA- VE-H 89406; male. Identification. This species has a mean length of 17 cm. Males have black plumage, while in females, it is rufous. Both sexes have a bare, periophthalmic ring and a yellow iris.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFA77755FCB9F7E6FB1D4329.taxon	description	Cercomacroides nigrescens (Cabanis & Heine, 1859) Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 25. I. 2018; captured with mist-nets and banded; plots T 05, T 06, T 15, R 12, R 18; CEMAVE-D 8558; males and females.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFA77755FF3BF5C3FC17442A.taxon	description	Figure 6 D Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 21. IX. 2018; captured with mist-nets and banded; plots R 02, R 01; CEMA- VE-G 131516; males and females. Identification. This species has a mean length of 26 cm. The plumage in males is gray, while in females it is rusty brown. Myrmelastes leucostigma (Pelzeln, 1868) Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 04. III. 2018; captured with mist-nets and banded; plots T 29, R 05, R 07; CEMA- VE-E 78330; male.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFA77755FCB9F25EFB5D4652.taxon	description	Figure 6 E Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 06. III. 2018; ca- mera trap record; captured with mist-nets and banded; plots T 02, T 12, T 15, T 17, T 27, T 30, R 07, R 09; CEMA- VE-D 77143; males and females. Identification. This species has a mean length of 13.5 cm. The iris is dark red. Males have gray upperparts, with black wing coverts, and the underparts are powdery gray. Female have rufous-brown upperparts, black wing coverts, and brown wing bars. This spcies has a black mask through the eye, a white throat.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFA47756FF3BF5C9FC3245B9.taxon	description	Figure 6 I Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 07. III. 2018; ca- mera trap record; captured with mist-nets and banded; plots T 15, T 20 T 24, R 03, R 05, R 06, R 07, R 09; CEMAVE-G 94827. Identification. This species has a mean length of 18 cm. It is olive-gray and the only antthrush with a rufous cap. The face, sides of the head and breast, down to the midbelly, are black.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFA47756FF3BF0BEFD0143F8.taxon	description	Figure 6 H Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 25. I. 2018; captured with mist-nets and banded; plots T 03, T 05, T 12, T 15, T 19, T 20, T 23, T 24, T 27, T 29 T 30, R 01, R 02, R 04, R 05, R 06, R 07, R 08, R 10, R 11, R 15, R 16, R 17, R 18; CEMA- VE-H 89408; males and females.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFA47756FF3BF0BEFD0143F8.taxon	discussion	Remark. We observed a nest in a cavity of a tree trunk along the access trail in PPBio. Here the elevation is 2750 m. Identification. Species has a mean length of 14.5 cm. Males are gray, with a white throat and supraloral stripe and a blackish tail barred with white. Females have a blackish crown and rufous face. This monotypic species is endemic to the Inambari interfluve. It is classified as an antbird, associated with swarms of army ants. Rhegmatorhina melanosticta (Sclater & Salvin, 1880) Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 25. I. 2018; captured with mist-nets and banded; plots T 03, T 05, T 10, T 11, T 18, T 20 T 23, R 08, R 10, R 12; CEMAVE-F 45101; females.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFA47756FCB9F233FBD94484.taxon	description	Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 25. VII. 2018; captu- red with mist-nets and banded; plots T 10, T 20, T 27, R 07, R 18; CEMAVE-D 150847.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFA47756FF3BF3ACFF1E460B.taxon	description	Figure 6 G Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 26. I. 2018; captured with mist-nets and banded; plots T 02, T 05, T 07, T 10, T 12, T 15, T 16, T 17, T 18, T 19, T 23, T 24, T 30, R 01, R 03, R 04, R 05, R 06, R 07, R 09, R 10, R 12, R 14, R 16, R 18; CE- MAVE-D 77119; males and females.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFA47756FF3BF3ACFF1E460B.taxon	discussion	Remark. The species is typical of the lowland plains, preferring habitats away from streams according to Cintra and Cancelli (2008); however, we observed more individuals in riparian habitats than in terra firme forest. Identification. This species has a mean length of 13 cm. Males are gray and females are rusty brown. The tail and wings have whitish borders. Phlegopsis erythroptera (Gould, 1855) Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 26. VII. 2018; captured with mist-nets and banded; plot T 29; CEMAVE-D 77119; female.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFA47757FCB9F4B1FE94472D.taxon	description	Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 24. I. 2018; captured with mist-nets and banded; plots T 02, T 04, T 05, T 07, T 08, T 10, T 11, T 12, T 13, T 15, T 16, T 17, T 19, T 21, T 23, T 24, T 27, T 28, T 29, T 30, R 01, R 02, R 03, R 04, R 06, R 16, R 17, R 18; CEMAVE-E 173427. Xiphorhynchus guttatoides (Lafresnaye, 1850) Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 21. IX. 2018; captured with mist-nets and banded; plots R 02, R 15, R 16; CEMAVE-J 49756.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFA57757FF3BF140FF14410F.taxon	description	Figure 3 B Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 29. I. 2018; audio re- cording; captured with mist-nets and banded; plots T 18, T 29, R 03, R 18; WA 3091308; CEMAVE-G 94829. Identification. This species has a mean length of 24 cm. The head of this species is uniformly sepia, with short, light-brownish stripes, including on the forehead and cheeks. The tarsi and feet are bluish-green. This species was recently separated from Campylorhamphus procur- voides (Lafresnaye, 1850) and described by Aleixo et al. (2013).	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFA57757FF3BF40DFB3444E0.taxon	description	Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 17. I. 2018; captured with mist-nets and banded; photographic record; plots T 10, T 14, R 02; CEMAVE-J 49754; WA 3314112. Identification. This species has a mean length of 28 cm. It has continuous barring on the underparts and head, and the bill is reddish. The wings and tail are rufous and unmarked. The sides of the head, malar area, and throat are pale. In Brazil it occurs in the southwestern Amazon region between the foothills of the Andes and the left bank of the Madeira River, and in northern Bolivia it occurs in the Inambari area of endemism.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFA57757FCB9F295FB5B479A.taxon	description	Figure 6 J Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 23. VII. 2018; captured with mist-nets and banded; plots T 05, T 07; T 08; CEMAVE-J 200938. Identification. This species has a mean length of 30 cm. The head, mantle, and breast are rufous-brown. The belly is barred, and the bill is long, thick, and reddish-gray to reddish. The throat has buffy streaks.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFA57757FF3BF604FD154278.taxon	description	Figure 3 C Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 24. VII. 2018; photographic record; trail L 5; WA 3841829.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFA57757FF3BF604FD154278.taxon	discussion	Remarks. The species was recorded within an area of terra firme forest dominated by Lepidocaryum tenue Mart. palms, which are known locally as caranaí. Identification. This species has a mean length of 19 cm. The head is dark brown and without spots. The iris is dark brown. The bill is relatively long, creamy white, and curved. The jaw is grayish with a dark brown base. The tarsi and feet are grayish-olive (Rodrigues et al. 2013).	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFA57748FCB9F6DDFDB94000.taxon	description	Figure 7 B Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 24. I. 2018; captured with mist-nets and banded; plots T 02, T 04; T 06, T 15, T 17, T 23, T 24, T 25, T 29, R 01, R 03, R 04, R 05, R 06, R 09, R 10; CEMAVE-H 75625. Identification. This species has a mean length of 19 cm. It is rufous-brown above and with rufous wings and tail. The underparts are brown, with faint buff streaks on the breast. The throat, lower sides of the neck, and eye-ring are buff. The supercilium is indistinct. Automolus infuscatus (Sclater, 1856) Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 26. I. 2018; captured with mist-nets and banded; plots T 07, T 24, R 04, R 05, R 06, R 07, R 09, R 10; CEMAVE-G 94845.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFBA7748FCB9F5E8FB054D49.taxon	description	Figure 7 F Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 18. IX. 2018; captured with mist-nets and banded; plots R 09, R 18; CEMA- VE-D 150826; males and females. Identification. This species has a mean length of 11.5 cm. Males have a yellow crown with black plumage and a sky blue mantle, while females have green plumage above and grayish-green plumage below.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFBA7748FCB9F047FC1F43D5.taxon	description	Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 27. I. 2018; captured with mist-nets and banded; plots T 02, T 04, T 05, T 09, T 10, T 12, T 14, T 15, T 16, T 18, T 19, T 21, T 22, T 23, T 24, T 25, T 27, T 29, R 01, R 02, R 03, R 04, R 06, R 07, R 08, R 10, R 11, R 15, R 16, R 17, R 18; CEMAVE-C 43153; males and females. Identification. This species has a mean length of 9 cm. Males have a blue crown with green plumage, and female have green plumage with a yellowish belly. Manacus manacus (Linnaeus, 1766) Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 12. VIII. 2018; captu- red with mist-nets and banded; plots T 10, R 08, R 09, R 12, R 18; CEMAVE-D 150831; females. Heterocercus linteatus (Strickland, 1850) Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 28. VII. 2018; captu- red with mist-nets and banded; plots T 24, T 25, R 06, R 07, R 09, R 10, R 11, R 12, R 14, R 15, R 18; CEMAVE-D 85569; males and females.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFBA7748FF3BF6B5FD1943D4.taxon	description	Figure 7 C Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 17. II. 2018; captured with mist-nets and banded; plots T 10, T 23, T 22, T 25, R 01, R 08; CEMAVE-F 45115. Identification. This species has a mean length of 17 cm. It has olive-brown upperparts and a rufous rump and tail. The throat is pale buff, as are the lores and supercilium.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFBA7748FF3BF5E9FD014D49.taxon	description	Figure 7 D Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 23. II. 2018; captured with mist-nets and banded; plots T 13, T 20; T 23, R 01, R 04, R 09, R 14, R 16, R 18; CEMAVE-D 150825. Identification. This species has a mean length of 17 cm. It has a grayish-brown mantle, while the wing and tail are rufous. The underparts are buff-brown. The face and throat are yellow-buff. It has an indistinct, buff supercilium.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFBA7748FCB9F3ACFBE34768.taxon	description	Synallaxis rutilans Temminck, 1823 Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 28. I. 2018; captured with mist-nets and banded; plots T 17, T 23; CEMAVE-E 127524.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFBA7748FCB9F11DFB684632.taxon	description	Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 29. I. 2018; captured with mist-nets and banded; photographic record; plots T 04, T 08, T 11, T 14, T 15, T 17, T 19, T 20, T 21, T 25, T 30, R 05, R 09, R 10, R 11, R 15, R 16, R 18; CEMAVE-C 92140; WA 3005920; males and females.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFBB7749FF3BF068FDCA41B6.taxon	description	Figure 7 H Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 28. I. 2018; 28. VII. 2018; captured with mist-nets and banded; plots T 25, R 03, R 04, R 05, R 06, R 08 R 11; CEMAVE-D 85577. Identification. This species has a mean body length of 12.5 cm. The male has a yellowish crown, with conspicuous sulphur-yellow thighs and rounded posterior tail. The throat and breast are grayish-olive green, and the plumage of the underparts is pale yellow.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFBB7749FF3BF3EFFCED4655.taxon	description	Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 28. VII. 2018; captu- red with mist-nets and banded; plots T 21, T 22, T 24, T 29, R 03, R 04, R 09, R 10, R 11, R 17, R 18; CEMAVE-D 150834; males and females. Identification. This species has a mean body length of 15 cm. It has an ornate crest kept mostly flattened. The bill is relatively long and bicolored. It has brown upperparts with a cinnamon rump and tail while the underparts are rufous-brown and thinly barred with black. Terenotriccus erythrurus (Cabanis, 1847) Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 28. I. 2018; captured with mist-nets and banded; photographic record; plots T 11, T 15, T 16, T 19, R 02; CEMAVE-C 92045; WA 3826892.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFBB7749FCB9F2D2FBD043E5.taxon	description	Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 25. I. 2018; captured with mist-nets and banded; plots T 06, T 10, T 21, T 23, T 24, T 27, R 04, R 17; CEMAVE-E 127557. Mionectes oleagineus (Lichtenstein, 1823) Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 28. I. 2018; captu- red with mist-nets and banded; plots T 03, T 11, T 15, T 16, T 18, T 29, R 05, R 06, R 07, R 09, R 10, R 11, R 17, R 18; CEMAVE-D 77124. Corythopis torquatus Tschudi, 1844 Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 27. VII. 2018; captured with mist-nets and banded; plot T 16; CEMAVE-E 12753. Rhynchocyclus olivaceus (Temminck, 1820) Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 22. IX. 2018; captured with mist-nets and banded; plot R 12; CEMAVE-D 77118. Hemitriccus minor (Snethlage, 1907) Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 24. I. 2018; captured with mist-nets and banded; plots T 02, T 12, T 15, T 24, T 25, T 30, R 01, R 03, R 09, R 16, R 18; CEMAVE-C 73189. Hemitriccus minimus (Todd, 1925) Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 26. I. 2018; captured with mist-nets and banded; plots T 07, T 20, R 02, R 12, R 15; CEMAVE-D 85540.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFBB7749FF3BF604FE9843A7.taxon	description	Laniocera hypopyrra (Vieillot, 1817) Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 29. I. 2018; captured with mist-nets and banded; plots T 04, T 18, T 29, R 02; CEMAVE-G 90645.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFBB7749FCB9F598FB0B42EE.taxon	description	Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 27. VII. 2018; captured with mist-nets and banded; photographic record; plots T 17, R 09; CEMAVE-D 77142; WA 382921.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFBB7749FF3BF4D8FB2E45B8.taxon	description	Ecológica de Cuniã; first record on 16. I. 2019; photographic record; plot R 07; WA 3829214.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFB8774AFCB9F713FC6040CC.taxon	description	Cyanoloxia rothschildii (Bartlett, 1890) Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 27. I. 2018; captured with mist-nets and banded; plots T 11, T 20, T 29, R 02, R 12, R 14, R 15, R 16, R 18; CEMAVE-H 75611; males and females.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFB8774AFCB9F296FA6A46DD.taxon	description	Figure 2 D Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 14. I. 2019; photographic record; plot R 07; WA 4051327. Identification. This species has a mean body length of 15 cm. Males have blue plumage, with the mask and throat black and the center of the belly white; there is fine, dusky barring on the flanks. Females are green with a yellow belly and dusky barring on the sides of the belly and flanks. Saltator maximus (Statius Müller, 1776) Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 27. VII. 2018; captured with mist-nets and banded; plot T 24; CEMAVE-G 131501.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
4B56A974FFB8774AFCB9F393FC1C44E3.taxon	description	Records. BRAZIL – Rondônia • Porto Velho, Estação Ecológica de Cuniã; first record on 24. I. 2018; cap- tured with mist-nets and banded; plots T 01, T 21; CEMAVE-D 77115.	en	Machado, Tatiana Lemos da Silva, Marques de Oliveira, Uéslei, Santos do Nascimento, Sheiliane, Santos, Marcos Pérsio Dantas, Manzatto, Angelo Gilberto (2021): Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil. Check List 17 (1): 289-310, DOI: 10.15560/17.1.289, URL: http://dx.doi.org/10.15560/17.1.289
