Rosefinches are about 15 cm (6 inches) long and mostly gray or brownish; males are red on the head, breast, and rump. Wings and tail are dark brown. That’s partly due to the cheerful red head and breast of males, and to the bird’s long, twittering song, which can now be heard in most of the neighborhoods of the continent. House Finch.

Vagrants from other countries include the Sisken, Chaffinch, Hawfinch, Bull Finches and the Rosefinches. The Common Rosefinch is similar to the Cassin's Finch and the Purple Finch seen in North America. Female Purple Finch es have a well-defined white mark above each eye and are more crisply patterned. Purple Finch. Forages on ground and in trees and shrubs for seeds and insects. A few more notes: Color is helpful, but it varies among individuals, so use caution.
Other native members of the finch family include the goldfinches, siskens and the crossbills.

During the winter months, one of the areas it can be seen in, is throughout India and all through the different countries of southeastern Asia. Bill is dark gray and stout. The House Finch is a recent introduction from western into eastern North America (and Hawaii), but it has received a warmer reception than other arrivals like the European Starling and House Sparrow.
Common Rosefinch: Small, stocky finch, red upperparts and breast, faintly streaked brown back, white underparts. Rosefinch, any of the 21 or so species of the genus Carpodacus, of the songbird family Fringillidae. The rosefinches are a genus, Carpodacus, of passerine birds in the finch family … The American goldfinch (Spinus tristis) is a small North American bird in the finch family.It is migratory, ranging from mid-Alberta to North Carolina during the breeding season, and from just south of the Canada–United States border to Mexico during the winter.. It breeds in the northern regions of Eurasia. Here are the three American Rosefinches songs from Xeno-canto.org: House Finch, Purple Finch and Cassin’s Finch. Bounding flight.

Females and young males of both species are simply brown and white, and can be especially tricky. The Cassin's Finch has only a small range in the Rocky Mountains in Canada but can be found as far as Mexico in its migration routes. The common, or scarlet, rosefinch (C. erythrinus) of Eurasia, sometimes called Legs and feet are gray-brown. On Cassin’s Finch, the patch of red on the peaked crown is conspicuosly brighter and richer (somewhat redpoll-like) 1.” Of course, if you have a good ear, you can tell them apart by their song.