Chestnut-crowned Foliage-gleaner

The chestnut-crowned foliage-gleaner is 18 to 19 cm (7.1 to 7.5 in) long and weighs 31 to 38 g (1.1 to 1.3 oz). The sexes have the same plumage. Adults of the nominate subspecies have a mostly rufescent brown face with a few buff streaks on the ear coverts. Their crown is dark reddish chestnut that becomes darkish warm olivaceous brown on the back. Their rump is reddish brown and their uppertail coverts reddish chestnut. Their wings are darkish rufescent brown with slightly darker primary coverts and ochraceous rufous at the bend. Their tail is dark dull chestnut. Voice: The chestnut-crowned foliage-gleaner's song is a "run-together series of sharp, stacatto notes that drop in pitch, 'd-r-r-r-r-r-r-r-r-r' ". Another author described it as a "short, shivering, staccato trill 'kriiiiiiih' " that last about 1.5 seconds. Its call is "a peculiar, resonant, deep 'jyoo' or 'cheeu' ".