Common scale-backed antbird
| Scale-backed antbird | |
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| Male, Cordillera del Cóndor, Ecuador | |
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| Female, Cordillera del Cóndor, Ecuador | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Passeriformes |
| Family: | Thamnophilidae |
| Genus: | Willisornis |
| Species: | W. poecilinotus |
| Binomial name | |
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Willisornis poecilinotus (Cabanis, 1847) |
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| Synonyms | |
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The scale-backed antbird (Willisornis poecilinotus) is a species of bird in the family Thamnophilidae, the antbirds. It has often been included in the genus Hylophylax, but is now known to be part of a different clade, leading to its placement in the genus Willisornis. It was briefly placed in Dichropogon, but this name is preoccupied by a genus of asilid flies (Dichropogon Bezzi, 1910). It formerly included the Xingu antbird as a subspecies.
It is found in the Amazon of Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Peru, Suriname, and Venezuela. Its natural habitat is tropical moist lowland forests. As many other species of antbirds, it regularly follows swarms of army ants.
In addition to being sexually dimorphic, the plumages of the subspecies are highly variable, leading to speculations that the scale-backed antbird as presently defined may include more than a single species. Males of all subspecies, and females of some (but not all) subspecies have white bars on the back, leading to its common name scale-backed antbird.
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Wikipedia