Chlorospingus semifuscus livingstoni Bond & Meyer de Schauensee, 1940

Chlorospingus semifuscus livingstoni Bond & Meyer de Schauensee, 1940

Plumage and iris coloration (n = 31; 20 males, 8 females, and 5 unsexed).—Some variations in adult individuals may be related to sex and age. Throat in adult males ( holotype ANSP 141967 About ANSP , and specimens ICN 37437, ICN 37438, and IAvH A12532): dark neutral gray (C.83) with scarce dark quaker drab ( k. 1) or dark mouse gray ( k. 15) speckles. Malar region : a combination of light neutral gray (C.85) and glaucous (C.79, C.80); a weak dark neutral gray (C.83) moustachial stripe can be perceived depending on view angle. Throat region in females and subadults: lighter or pale neutral gray (C.86), some barbules with olive-yellow (C.52). Pectoral band: absent in adults, but a hint of olive-yellow (C.52) or citrine (C.51) feathers on some chest barbules, and on both flanks on shoulders, can be seen; subadults have a major presence of olive-yellow (C.52) barbules/feathers over this body part giving the impression of an inconspicuous band (e.g., IAvH A12508). Belly: in adult males has a combination of olive-gray (C.42), medium neutral gray (C.84), and dark olive-gray ( i.23); in juveniles or subadults, all these colors are present with white, some pearl gray (C.81), pale neutral gray (C.86), and olive-yellow (C.52) or citrine (c.51) scattered on belly and flanks. Iris coloration: usually silvery-yellow; certain individuals can present reddish coloration in and near the outer rim of the iris View Materials .

Breeding.—A juvenile was observed and photographed giving begging calls and following its parents in the Montezuma region ( Tatamá National Park), Risaralda Department, Colombia, on 26 June 2019. Begging calls were recorded by MSN ( XC 607806) .

Distribution.—West slope of Western Cordillera of Colombia, from the headwaters of San Juan River on Cerro Tatamá, Risaralda Department south to Cerro Munchique, Cauca Department at 900‒2400 m ( Hilty & Brown 1986; Hilty 2020b). The southern limit of this Colombian endemic may be in the Patía River drainage at a place named “Hoz del Minamá” (F. Ayerbe-Quiñones pers. comm.). This Colombian endemic subspecies does not overlap geographically with C. s. semifuscus .