Blackish Tapaculo
Scytalopus latrans
The blackish tapaculo is approximately 11 cm (4.3 in) long. Males weigh 16 to 21 g (0.56 to 0.74 oz) and females 14 to 20 g (0.49 to 0.71 oz). The male of the "blackish" subspecies is dark to very dark gray and the female is dark gray, sometimes with an olive wash. The juvenile is not well known but is believed to be dull brown. The "Pacific" subspecies male is black while the female is gray, darker above and lighter below, with brown flanks. The juvenile is brown.
ID text from Wikipedia, CC BY-SA 4.0

Spillmann's Tapaculo
Scytalopus spillmanni
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 .
ID text from Wikipedia, CC BY-SA 4.0

Where you might meet both
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Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Blackish Tapaculo and Spillmann's Tapaculo.