Choco Sirystes

The Choco sirystes is 17.5 to 19 cm (6.9 to 7.5 in) long and weighs 32 to 36 g (1.1 to 1.3 oz). The sexes have the same plumage. Adults have a black crown with a slight crest. The rest of their face is slate gray. Their nape and back are pale gray, their rump white, and their uppertail coverts dark with white fringes. Their wings are dusky black with wide white edges on the coverts and secondaries. Their tail is dusky with grayish white tips on the feathers. Their throat and upper breast are grayish white that becomes white on the rest of the underparts. Voice: The Choco sirystes' most frequent call is "a husky shup-chip-chip or prup-prip-prip-prip". When it is excited it gives "a much faster che-che-che-che-che-che-chut".