Buff-throated Woodcreeper

The buff-throated woodcreeper is 22.5 to 29.5 cm (8.9 to 12 in) long and weighs 45 to 74 g (1.6 to 2.6 oz). It is the largest member of genus Xiphorhynchus, with a heavy body and a long, heavy, decurved bill. The sexes have the same plumage. Adults of the nominate subspecies X. g. guttatus have a dark brown face with narrow whitish buff streaks. Their crown and nape are dark brown with buff teardrop spots that are streakier and blackish-edged on the nape. Their back and wing coverts are reddish olive-brown, with buff streaks with blackish edges on the back. Voice: All of the buff-throated woodcreeper subspecies are quite vocal; during their breeding seasons they sing for long periods at dawn and dusk and occasionally throughout the day. The subspecies, however, differ in their songs. The nominate subspecies sings "te-e-e-e-e-e-e-e-e, quirt-quirt-quirt-quirt", while X. g. polystictus and X. g. connectens singe a "loud...