Pygmy Antwren

The pygmy antwren is 7.5 to 8.5 cm (3.0 to 3.3 in) long and weighs 6 to 8 g (0.21 to 0.28 oz). It is a small bird with a tiny tail. Adult males have a black streak through the eye, white cheeks, and a thin black "moustache". Their crown, back, rump, and tail are black with thin white streaks that are faintly yellow except on the crown. They have a white patch between the shoulders. Their wings are black with white tips on the coverts and white edges on the flight feathers. Their throat is white and the rest of their underparts are yellow with sparse black streaks on the sides. Voice: The pygmy antwren's song has been described as a "short, rising, accecelerating series of very high, sharp notes, at start well separated and gradually changing to a descending rattle/trill". It has been written as "chree-chree-chree-chee-chee-ee-ee-ee-ee-rrr".