Zimmer's Tapaculo

Zimmer's tapaculo is 10.5 cm (4.1 in) long. Males weigh 17.6 to 19.9 g (0.62 to 0.70 oz) and one female weighed 15.9 g (0.56 oz). The adult's most striking feature is its white supercilium, throat, and upper breast. The rest of the head, the back, and the wings are gray with a brown wash on the back. The lower breast and belly are also gray. Its flanks and vent are olive-brown and have dusky bars. The juvenile's supercilium is faint buff, its upper parts olive-brown with dusky bars, its breast and upper belly gray, and the flanks and lower belly are buff with dusky bars. Voice: The song of Zimmer's tapaculo is a series three to five burry notes repeated at intervals, often for many minutes . Its call is described as one or two "quick" notes repeated at intervals .