Spillmann's Tapaculo

Spillmann's tapaculo is 12 cm (4.7 in) long. Males weigh 21 to 30 g (0.74 to 1.06 oz) and females 20 to 29.5 g (0.71 to 1.04 oz). The male is blackish gray above with a dark brown rump. It is lighter gray below with tawny to cinnamon flanks and vent area. Some females are like the male, but most have the upperparts heavily washed with brown and an orange lower belly. The juvenile is brown above and dusky below, with barring above and below. Voice: The song of Spillmann's tapaculo is a 10 to 20 second trill whose volume and sometime pitch increase . The male and female have several calls such as , , and .