Sooty Thrush

The sooty thrush (Turdus nigrescens) is a species of bird in the family Turdidae, the thrushes and allies. It is found in Costa Rica and Panama. It was formerly known as the sooty robin. == Taxonomy and systematics == The sooty thrush was originally described in 1861 with its current binomial Turdus nigrescens. It is monotypic. == Description == The sooty thrush is 24 to 25.5 cm (9.4 to 10 in) long and weighs about 96 g (3.4 oz). The species is sexually dimorphic. Adult males have a mostly brownish black head and body with sooty black lores and an orange eye-ring. Their wings and tail are also sooty black. Adult females resemble males but are browner overall and sometimes have some darker streaks on the throat. Both sexes have a white iris, a yellow-orange bill, and orange legs and feet. Juveniles have dark brown upperparts with buff streaks and buff underparts with dark brown spots. They have a white chin, a pale iris, and a brownish yellow bill, legs, and feet. The superficially similar mountain thrush (T. plebejus) shares its range but is uniformly brown with dark bare parts. It also resembles the slaty-backed nightingale-thrush (Catharus fuscater) but there…