Xenops
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Xenops is a genus in the bird family Furnariidae, the ovenbirds. The genus comprises four species of xenops, all of which are found in Mexico, Central America and South America, particularly in tropical rain forests.
They are small birds with a longish tail, a laterally flattened bill with an upturned tip (except in the slender-billed xenops), brown back and buff or rufous wing stripe. They forage for insects on bark, rotting stumps or bare twigs, moving mechanically in all directions on the trunk like a woodcreeper, but without using the tail as a prop.
Together with the distinct great xenops (Megaxenops parnaguae), this genus forms the tribe Xenopini, which based on some recent studies belongs in the woodcreeper and xenops subfamily Dendrocolaptinae,[1] while others have found them to be part of the "traditional" ovenbirds.[2] A study from 2013 found that they should be a family distinct from both.[3]
Species
Formerly, the rufous-tailed xenops was placed in this genus, but it has been moved to the monotypic Microxenops. The following five species remain in the genus Xenops:[4]
| Image | Scientific name | Common Name | Distribution |
|---|---|---|---|
| File:Xenops tenuirostris - Slender-billed Xenops; Presidente Figueiredo, Amazonas, Brazil 2.jpg | Xenops tenuirostris | Slender-billed xenops | Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Peru, Suriname, and Venezuela |
| File:Xenops minutus 33709511 (cropped).jpg | Xenops mexicanus | Northern plain xenops | southern Mexico through Panama to northern Colombia, northwest Venezuela and western Ecuador |
| File:Xenops genibarbis Amazonian Xenops; Francisco de Orellana, Ecuador.jpg | Xenops genibarbis | Amazonian plain xenops | east Colombia and Venezuela (except northwest) through Amazonia and the Guianas south to north Bolivia; also northeast Brazil |
| File:Xenops minutus - Plain xenops; Restinga de Bertioga State Park, São Paulo, Brazil.jpg | Xenops minutus | Atlantic plain xenops | east Brazil |
| File:Streaked Xenops - Colombia S4E0067 (16565708529).jpg | Xenops rutilans | Streaked xenops | from Costa Rica and Trinidad south to Bolivia and northern Argentina |
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References
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- ↑ Fjeldså, J., M. Irestedt, & P. G. P. Ericson (2005). Molecular data reveal some major adaptational shifts in the early evolution of the most diverse avian family, the Furnariidae. Journal of Ornithology 146: 1–13.
- ↑ Moyle, R. G., R. T. Chesser, R. T. Brumfield, J. G. Tello, D. J. Marchese, & J. Cracraft (2009). Phylogeny and phylogenetic classification of the antbirds, ovenbirds, woodcreepers, and allies (Aves: Passeriformes: infraorder Furnariides). Cladistics 25: 386-405.
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