Ochre-browed Thistletail

The ochre-browed thistletail is 16 to 18 cm (6.3 to 7.1 in) long and weighs 15 to 18 g (0.53 to 0.63 oz). The sexes have the same plumage. Adults have an ochraceous supercilium on an otherwise darker face. Their forehead is dull ochraceous rufous, and their crown, back, rump, and tail are olive-brown. Their wings are a dull reddish brown. Their tail is long and deeply forked with few barbs at the feather ends that give a ragged appearance. Their chin has a tawny-rufous patch. Their throat and the rest of their underparts are pale gray-brown with a whitish center to the belly. Voice: The ochre-browed thistletail's song is "a dry, rattling trill decelerates at end, 'pipipi-pi-pi-pi-pi-pi-pi-pi-pi, pi, pi, pi, pt, pt' ". Its calls include "a high-pitched, nasal 'meeeow', squeaky, rodent-like 'peeeap' a high 'péé-d-deet' ".