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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]
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).
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
[1] [2] The last state to choose its bird was Arizona in 1973. Pennsylvania never chose an official state bird, but did choose the ruffed grouse as the state game bird. [3] Alaska, California, and South Dakota permit hunting of their state birds.
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.
The following codes are used to designate some species: (A) Accidental - "seen once to several times, but less than 4 of last 10 years" per the IOU (C) Casual - "seen many years but not all, at least 3 and less than 9 of last 10 years" per the IOU (I) Introduced - Species established in North America as a result of human action
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 ...
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. These birds have a bouncing flight with alternating bouts of flapping and gliding on closed wings, and most sing well.