Long-billed Woodcreeper

The long-billed woodcreeper (Nasica longirostris) is a sub-oscine passerine bird in subfamily Dendrocolaptinae of the ovenbird family Furnariidae. It is found in Bolivia, Brazil, Colombia, Ecuador, French Guiana, Peru, and Venezuela. == Taxonomy and systematics == The long-billed woodcreeper is the only member of genus Nasica. It is monotypic: No subspecies are recognized. Its closest relative is the cinnamon-throated woodcreeper (Dendrexetastes rufigula). The population south of the Amazon River has significantly longer bills than those birds north of the river, and has been treated by some authors as subspecies N. l. australis. == Description == The long-billed woodcreeper is one of the largest woodcreepers, with a slim body, small head, long neck, long tail, and an exceptionally long, slightly decurved, bill. It is 34 to 36 cm (13 to 14 in) long and weighs 78 to 92 g (2.8 to 3.2 oz). The sexes are alike. The adult's crown, nape, and auricular area are blackish brown with whitish buff streaks. It has a white supercilium, throat, and foreneck. Its back, rump, wings, and tail are bright cinnamon-rufous to rufous-chestnut. The tips of its outermost primaries are dark brown. Its breast and sides are streaked black and white; the rest of…