White-crowned Tapaculo

The white-crowned tapaculo is 12 cm (4.7 in) long. Males weigh 24.6 to 32.5 g (0.87 to 1.15 oz) and one female weighed 25.3 g (0.89 oz). The male of the nominate subspecies is mostly blackish above and slightly lighter below. The flanks and vent are reddish brown and have black bars. It has a white patch on the crown of the head. The female is paler than the male and washed with brown above and is more reddish on the flanks. The juvenile is rust colored with heavy barring. The male S. a. nigricans is darker than the nominate and the female is gray underneath. The male S. a. Voice: The songs of different populations of white-crowned tapaculos are highly variable. Some examples include this from near Bogotá, Colombia , this from near La Florida, Department of Amazonas, Peru , and this from Mérida, Venezuela .