Eye-ringed Thistletail

The eye-ringed thistletail is 18 to 20 cm (7.1 to 7.9 in) long and weighs 16 to 18 g (0.56 to 0.63 oz). The sexes have the same plumage. Adults have a wide white eyering and dark brown lores on an otherwise chestnut-brown face. Their crown, back, rump, and wings are a darker chestnut-brown. Their tail is a more rufescent brown than the back; it is long and deeply forked with few barbs at the feather ends that give a ragged appearance. Their chin has a rusty or orange-rufous patch. Their throat and the rest of their underparts are gray with a paler belly and brownish-tinged flanks. Voice: The eye-ringed thistletail is quite vocal, with both members of a pair singing. Its song is "a long, slightly undulating or accelerating dry chatter or trill, which rises until near the end when it falls sharply". Its call is "a sharp, rising peee or weee".