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ForestCup nestTiny · 10 g
ID tip
The spot-backed antwren is 11 to 12 cm (4.3 to 4.7 in) long and weighs 9.5 to 10.5 g (0.34 to 0.37 oz). Adult males have a black crown and nape, a long white supercilium, a black streak through the eye, and grayish ear coverts. Their back and rump are dark gray with white edges on most back feathers and blackish patches. They have white-edged black scapulars and a hidden white patch between them. Their flight feathers are gray and black with white edges towards the end; their wing coverts are black with white tips. Their tail is black with white feather tips and white outermost feathers. Voice: The spot-backed antwren's song is a "very high, fast, slightly rising, then descending and fading, trilling 'wiwiwurrrrrrr' series" that lasts about two seconds. Its call is "a short...downslurred plaintive note, repeated often but irregularly".
Text from Wikipedia, licensed CC BY-SA 4.0.
When to see the Spot-backed Antwren
One bar for each month. Filled bars are the 11 months with records; pale bars are months with none. The wide bar is July, the month with the most records.
Where to see the Spot-backed Antwren
The map shades 3 countries with regular records, and 1 more in a lighter tone where the bird turns up only as a stray. Everything unshaded has no records. Countries are listed below the map.
Recorded as a rare visitor in French Guiana.
About the Spot-backed Antwren
The spot-backed antwren is a species of bird in subfamily Thamnophilinae of family Thamnophilidae, the "typical antbirds". It is found in Brazil, Colombia, and Venezuela.
Text adapted from Wikipedia, licensed CC BY-SA 4.0.
Easily confused with
Todd's AntwrenHerpsilochmus stictocephalusTodd's antwren is 10 to 11 cm (3.9 to 4.3 in) long and weighs 8 to 9.5 g (0.28 to 0.34 oz).
Spot-tailed AntwrenHerpsilochmus sticturusThe spot-tailed antwren is 9.5 to 10.5 cm (3.7 to 4.1 in) long and weighs 8 to 9 g (0.28 to 0.32 oz).
Dugand's AntwrenHerpsilochmus dugandiDugand's antwren is 10 to 11.5 cm (3.9 to 4.5 in) long and weighs 9.3 to 11.3 g (0.33 to 0.40 oz).
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