Long-winged Antwren
Myrmotherula longipennis
The long-winged antwren is 9 to 10.5 cm (3.5 to 4.1 in) long and weighs 8 to 10 g (0.28 to 0.35 oz). It is a smallish bird with a short tail. Adult males of the nominate subspecies M. l. longipennis have dark gray upperparts with a hidden white patch between the shoulders and white tips on the scapulars. Their wings are dark gray with white-tipped black coverts. Their tail is gray with white tips on the feathers. Their throat and upper breast are black; the rest of their underparts are a paler gray than the upperparts. Voice: The songs of the long-winged antwren subspecies differ, though the differences between adjoining ones are slight to moderate. The nominate subspecies' song is "a series of harsh upslurred notes...initially gains in intensity but nearly constant in pitch and pace" like "high, nasal 'suee' notes". The songs of M. l. zimmeri and M. l. garbei are "a deliberate series...
ID text from Wikipedia, CC BY-SA 4.0
Pygmy Antwren
Myrmotherula brachyura
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".
ID text from Wikipedia, CC BY-SA 4.0
Where you might meet both
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Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Long-winged Antwren and Pygmy Antwren.