Creamy-bellied Antwren

The creamy-bellied antwren is about 12 cm (4.7 in) long and weighs about 10.5 to 13 g (0.37 to 0.46 oz). Adult males have a black crown and nape, a white supercilium, a thin black streak through the eye, and white ear coverts. Their back and rump are gray or olive gray with white-tipped blackish scapulars and a small hidden white patch between them. Their wings are black with white tips on the coverts and white edges on the flight feathers. Voice: The creamy-bellied antwren's song is "a rapid, accelerating series of rich notes, which rises slightly and then falls two or three distinct introductory notes...chew-PEE-PEE kree'e'E'E'e'e'e'e'e'rr".