The Costa Rican brushfinch or grey-striped brushfinch (''Arremon costaricensis'') is a species of

bird Birds are a group of warm-blooded vertebrates constituting the class Aves (), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweigh ...

in the family

Passerellidae New World sparrows are a group of mainly New World passerine birds, forming the family Passerellidae. They are seed-eating birds with conical bills, brown or gray in color, and many species have distinctive head patterns. Although they share t ...

. It lives in the undergrowth of humid forest, especially near the edges, at altitudes of in

Panama Panama ( , ; es, link=no, Panamá ), officially the Republic of Panama ( es, República de Panamá), is a transcontinental country spanning the southern part of North America and the northern part of South America. It is bordered by Cos ...

and

Costa Rica Costa Rica (, ; ; literally "Rich Coast"), officially the Republic of Costa Rica ( es, República de Costa Rica), is a country in the Central American region of North America, bordered by Nicaragua to the north, the Caribbean Sea to the no ...

.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. Restall, R. L., C. Rodner, & M. Lentino (2006). ''Birds of Northern South America.'' Christopher Helm. (vol. 1). (vol. 2).

Taxonomy

The Costa Rican brushfinch is often treated as a

subspecies In biological classification, subspecies is a rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics (morphology), but that can successfully interbreed. Not all species ...

of the stripe-headed brushfinch (''A. torquatus''), but was determined a distinct species, together with the black-headed brushfinch, on the basis of differences in vocalization, plumage, and genetics.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

References

{{Taxonbar, from=Q5608095 Arremon Birds of Central America Birds of Costa Rica Birds of Panama Birds described in 1907 Taxa named by Outram Bangs