Scimitar-billed Woodcreeper

The scimitar-billed woodcreeper is 26 to 35 cm (10 to 14 in) long and weighs 76 to 110 g (2.7 to 3.9 oz). It is a large woodcreeper with a relatively short tail and a long decurved bill. The sexes have the same plumage. Adults have dark rufous ear coverts and a white supercilium and moustachial stripe. Their forehead, crown, and nape are rufous to dark brown, with the nape being slightly lighter with white flecks. Their back, scapulars, and most wing coverts are cinnamon-brown to reddish brown. Their rump, uppertail coverts, and tail are rufous. Voice: The scimitar-billed woodcreeper's song is a "downslurred, decelerating series of upslurred whistled notes...tweedle tweedle tweed twee twee". It also sings "an almost level series of overslurred whistled notes...jli jli jli jli jli". Its calls include "sik, tsis-sik, or tsis-sik-sik" and a thrice-repeated "cheedle". Pairs sometimes sing in duet.