Dusky-capped Woodcreeper

The dusky-capped woodcreeper weighs about 22 to 28 g (0.78 to 0.99 oz). It is a smallish, slim, woodcreeper with a slim decurved bill. The sexes have the same plumage. Adults' crown and nape are grayish brown becoming warm brown on the back. Their wings, uppertail coverts, rump, and tail are brown with a rufous tinge. Their chin and throat are whitish to buffy-white. Their underparts are brown with blackish-edged whitish streaks. Their underwing coverts are rufous-brown. Voice: The dusky-capped woodcreeper's song is a "series of 3–9 well-spaced sharp whistles, described as peeer peeer peeer peeer peeeur, that are given either at a stable or slightly descending pitch". Its principle call is a "loud and clear descending rattle initiated by a steep rising Kwirrrr!".