Lunulated Antbird

The lunulated antbird is 13 to 14.5 cm (5.1 to 5.7 in) long and weighs 22 to 26 g (0.78 to 0.92 oz). Adult males are mostly gray. They have a white supercilium, ear coverts, chin, and throat. Their tail is blackish gray. Adult females have a white supercilium, dark olive-brown lores, and a white chin and throat. Their crown and nape are yellowish olive-brown; their back and rump are yellowish olive-brown with blackish edges and light buff tips on the feathers. Their tail is dark grayish brown with some white barring. Voice: The lunulated antbird's song is "a distinct introductory note followed by a fairly rapid, decelerating, rising-falling series of popping notes becoming rising mellow whistles" PEW pipi'pi'pwee-pwee-pwee-peeerr." Its calls include a "long and usually interrupted 'chirr' and abrupt 'chup' ".