Double-barred Finch
| Double-barred Finch | |
|---|---|
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| At Bees Creek, Northern Territory, Australia | |
| Conservation status | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Passeriformes |
| Family: | Estrildidae |
| Genus: | Taeniopygia |
| Species: | T. bichenovii |
| Binomial name | |
| Taeniopygia bichenovii (Vigors and Horsfield, 1827) |
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The Double-barred Finch Taeniopygia bichenovii is an estrildid finch found in dry savanna, tropical (lowland) dry grassland and shrubland habitats in northern and eastern Australia. They are sometimes referred to as Bicheno's Finch; and also as Owl Finch, owing to the dark ring of feathers around their faces.
The name of the species commemorates James Ebenezer Bicheno, a colonial secretary of Van Diemen's Land appointed in September 1842.
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[edit] Subspecies
There are two sub-species:
- Taeniopygia bichenovii bichenovii
- Taeniopygia bichenovii annulosa
[edit] Characteristics
This is a 10–11 cm long munia-like finch with a white face bordered with black, brown upperparts and throat, and white underparts. The throat and underparts are separated by another black line. The wings are patterned in brown and white. The sexes are similar, but juveniles are duller and browner. A less common sub-species with brown or black underparts is known to exist. The call is a soft tet or a louder peew, and the song is a soft fluting.
These gregarious seed-eating birds build their nests in grass, a bush or low tree, and lay four eggs.
[edit] Origin
Origin and phylogeny has been obtained by Antonio Arnaiz-Villena et al.[1] Estrildinae may have originated in India and dispersed thereafter (towards Africa and Pacific Ocean habitats).
[edit] Gallery
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Bees Creek, Northern Territory, Australia
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SE Queensland, Australia
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[edit] References
- ^ Arnaiz-Villena, A; Ruiz-del-Valle V, Gomez-Prieto P, Reguera R, Parga-Lozano C, Serrano-Vela I (2009). "Estrildinae Finches (Aves, Passeriformes) from Africa, South Asia and Australia: a Molecular Phylogeographic Study". The Open Ornithology Journal 2: 29–36. http://www.benthamscience.com/open/tooenij/articles/V002/29TOOENIJ.pdf.
- BirdLife International (2004). Taeniopygia bichenovii. 2006. IUCN Red List of Threatened Species. IUCN 2006. www.iucnredlist.org. Retrieved on 12 May 2006. Database entry includes justification for why this species is of least concern
- Finches and Sparrows by Clement, Harris and Davis, ISBN 0-7136-8017-2
Video of Double-barred Finches at http://birdwatchersonline.net/forum/showthread.php?t=430
[edit] External links
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