Streak-necked Flycatcher

The streak-necked flycatcher is 13 to 13.5 cm (5.1 to 5.3 in) long and weighs 13 to 17 g (0.46 to 0.60 oz). The sexes have the same plumage. Adults of the nominate subspecies M. s. striaticollis have a dark gray face with white streaks and a small white spot behind the eye. Their crown and nape are slaty gray and the rest of their upperparts are dark olive. Their wings and tail are olive, sometimes with faint buffish olive wing bars. Their throat and upper breast are slate-gray with white streaks. Their lower breast and flanks are streaked with dark olive and yellow and their belly is yellow. Voice: The streak-necked flycatcher apparently sings almost solely at the lek. Its song is variously described as "a series of rhythmic, squeaky notes" and as "a melancholy, squeaky, rising-falling note" urrEEew".