Dusky-headed Brushfinch

The dusky-headed brushfinch (Atlapetes fuscoolivaceus) is a Near Threatened species of bird in the family Emberizidae, the New World sparrows. It is endemic to Colombia. == Taxonomy and systematics == The dusky-headed brushfinch was formally described in 1914 with the binomial Atlapetes fusco-olivaceus. It is monotypic. == Description == The dusky-headed brushfinch is 17 to 18 cm (6.7 to 7.1 in) long; two males weighed an average of 32.5 g (1.1 oz). The sexes have the same plumage. Adults have a mostly dusky olive head with a yellow "moustache" and a yellow throat. Their nape and upperparts are olive-dusky with a slightly brighter olive rump. Their tail and wings are a slightly darker olive-dusky with thin olive edges on the flight feathers. Their underparts are mostly yellow with an olive wash on the breast and flanks. They have a reddish to deep brown iris, a black bill, and dusky brown legs and feet. Juveniles have a paler face than adults, an olive wash on the moustache, and dim dark streaks on the underparts. == Distribution and habitat == The dusky-headed brushfinch is found in the upper watershed of the Magdalena River in southwestern Colombia's Huila Department. It inhabits low dense…