Black-headed brushfinch
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The black-headed brushfinch (Arremon atricapillus) is a species of bird in the family Passerellidae. It lives in the undergrowth of humid forest, especially near edges, at altitudes of Script error: No such module "convert". in Colombia and Panama.[1][2]
Taxonomy
Until recently, the black-headed brushfinch was placed in the genus Buarremon.[3]
The black-headed brushfinch was often treated as a subspecies of the stripe-headed brushfinch (A. torquatus), but the distributions of the two approach each other closely in Colombia with no evidence of intergradation.[4] In addition, the Costa Rican brushfinch, A. costaricensis has often been treated as a subspecies of the stripe-headed brushfinch, or a subspecies of the black-headed brushfinch,[4] but based on ecology, morphology, song, and molecular work, it has recently been suggested that A. costaricensis is worthy of treatment as a species.[5] In that case, the black-headed brushfinch would only include the subspecies tacarcunae, and be restricted to Colombia and eastern Panama.[5]
References
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- ↑ Ridgely, R. S., & J. A. Gwynne, Jr. (1989). A Guide to the Birds of Panama with Costa Rica, Nicaragua, and Honduras. 2nd edition. Princeton University Press. Template:ISBN
- ↑ Restall, R. L., C. Rodner, & M. Lentino (2006). Birds of Northern South America. Christopher Helm. Template:ISBN (vol. 1). Template:ISBN (vol. 2).
- ↑ Cadena, C. D., J. Klicka and R. E. Ricklefs. (2007). Evolutionary differentiation in the Neotropical montane region: molecular phylogenetics and phylogeography of Buarremon brush-finches (Aves, Emberizidae). Molecular Phylogenetics and Evolution. 44(3): 993–1016.
- ↑ a b Ridgely, R. S., & G. Tudor. (1989). Birds of South America. The Oscine Passerines. Vol. 1. Oxford University Press. Template:ISBN
- ↑ a b Cadena, C. D., and A. M. Cuervo (2009). Molecules, ecology, morphology, and songs in concert: how many species is Arremon torquatus (Aves: Emberizidae)? Biological Journal of the Linnean Society 99(1): 152–176
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