Black-throated Antbird

The black-throated antbird is 13 to 14 cm (5.1 to 5.5 in) long and weighs 14 to 18 g (0.49 to 0.63 oz). Adult males of the nominate subspecies M. a. atrothorax have a gray face. Their crown and upperparts are dark yellowish olive-brown that becomes blackish on the rump, with a white patch between the shoulders. Their tail is blackish gray. Their wings are dark yellowish olive-brown with black and white tips on the coverts. The center of their throat and breast are black and the rest of their underparts gray. Voice: The black-throated antbird's song is a "very high, slightly decelerating series of 4-8 very sharp 'chee' notes, starting with a stuttered 'tutu', then slightly rising in strength and in pitch, together as 'tutu-chee-cheé- -' ". Its calls include a "sharply downslurred...note" and a "mixture of abrupt 'chit' notes given in short bursts mixed with moderately long...flat whistles".