クスコヤブシトド Atlapetes canigenis

Dark sparrow-like bird with a restricted range in the Andes of southern Peru. Dark gray with a reddish-orange crown. Forages singly or in pairs on the ground, not usually associating with other species. Extensive gray coloration and red crown distinguish it from other brushfinches within its range. Listen for its song, an emphatic metallic warble: “tseew, suweet.”