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The purple finch population has been displaced from some breeding season habitats in the Eastern United States following the introduction of the house finch, which is native to the western U.S. and Mexico. The two species share a similar niche, with the house finch often outcompeting the purple finch during the summer. [11]
Within the genus the House Finch is the outgroup, meaning the Purple and Cassin's finches are more closely related to one another than either is to the House Finch. [ 5 ] Species
The house finch is a moderate-sized finch, 12.5 to 15 cm (5 to 6 in) long, with a wingspan of 20 to 25 cm (8 to 10 in). Body mass can vary from 16 to 27 g (9 ⁄ 16 to 15 ⁄ 16 oz), with an average weight of 21 g (3 ⁄ 4 oz).
The family Fringillidae are the "true" finches. The International Ornithological Committee (IOC) recognizes these 239 species in the family, distributed among three subfamilies and 50 genera. Confusingly, only 79 of the species include "finch" in their common names, and several other families include species called finches.
Purple finch: Carpodacus purpureus: 1957 [35] New Jersey: Eastern goldfinch (American goldfinch) Spinus tristis tristis: 1935 [36] New Mexico: Greater roadrunner: Geococcyx californianus: 1949 [37] New York: Eastern bluebird: Sialia sialis: 1970 [38] North Carolina: Northern cardinal: Cardinalis cardinalis: 1943 [39] North Dakota: Western ...
They found that the three North American rosefinches, namely Cassin's finch, purple finch, and house finch, formed a separate clade that was not closely related to the Palearctic rosefinches. They proposed moving the three species to a separate genus Haemorhous . [ 7 ]
Other than that, I just looked the House Finch up on Birds of the World and the only similar species are the Purple Finch (C. purpureus) and the Cassin's Finch (C. cassini). Now, the House Finch differs from the Purple Finch by "lack of heavy carotenoid coloration on nape, back, and wing coverts", and from Cassin's Finch "by heavy ventral ...
House finch. Order: Passeriformes Family: Fringillidae. Finches are seed-eating passerine birds that are small to moderately large and have a strong beak, usually conical and in some species very large. All have twelve tail feathers and nine primaries.