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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.
The male displays brightly colored plumage during the breeding season to attract a mate. The American goldfinch is granivorous and adapted for the consumption of seedheads, with a conical beak to remove the seeds and agile feet to grip the stems of seedheads while feeding. It is a social bird, and will gather in large flocks while feeding and ...
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 meadowlark: Sturnella neglecta: 1970 [40] Northern Mariana ...
American goldfinch eating coneflower seeds and taking flight, including slow motion. The finches are primarily granivorous , but euphoniines include considerable amounts of arthropods and berries in their diet, and Hawaiian honeycreepers evolved to utilize a wide range of food sources, including nectar .
Furthermore, male and female plumage is indistinguishable in ultraviolet and visible light. A study published in 1999 showed that male long-tailed finches were unable to determine the sex of unfamiliar members of their species unless the latter bird declared its sex by song. [11] Juveniles have black beaks and shorter tail feathers. [9]
At the time, plume feathers—selling for more than $20 an ounce ($501 in 2011)—were reportedly more valuable per weight than gold. [14] On their expedition, which lasted several weeks, the young men and Chevalier's party killed 1,397 birds of 36 species. [ 15 ]
The lesser goldfinch was formally described by the American zoologist Thomas Say in 1822 under the binomial name Fringilla psaltria. [4] The specific epithet psaltria is Ancient Greek for a female harpist. [5] The type locality is Colorado Springs, Colorado. [6]
The house finch (Haemorhous mexicanus) is a North American bird in the finch family.It is native to Mexico and southwestern United States, but has since been introduced to the eastern part of North America and Hawaii; it is now found year-round in all parts of the United States and most of Mexico, with some residing near the border of Canada.