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American Goldfinch

Male (right) and Female (left)
Sorry for the completely last post today. I'm snowed in and everything is white, so today I felt like writing about an animal with some color: the American Goldfinch. As their name might suggest, there songbirds are native to North America, and can be found throughout at varying points of the year. Some populations remain in place year round, while others are migratory, moving between Canada and the Northern USA, down to the South and Mexico. They are found in brushy, mostly open habitats.

Both male and female Goldfinches are yellow, though the males are far more vibrant, especially during the breeding season. They are the only finch species to molt twice a year, and breed relatively late for a songbird.

American Goldfinches are notable for their very strict vegetarian diet. While many bird species feed on the occasional insect, Goldfinches eat exclusively seeds. This has an interesting affect on the Brown-Headed Cowbird. These birds sometimes lay eggs in Goldfinch nests, but the hatchlings are unable to survive due to the all-seed diet the Finches provide for their young.

Goldfinches are not a threatened species. They have a massive range spanning some 5 million square miles (about 8 million square km).

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Comments

  1. Hannah Q. ParrisDecember 13, 2010 at 3:25 PM

    Yay! My favorite bird :)

    ReplyDelete
  2. LaurenDecember 13, 2010 at 6:41 PM

    One of my favorites too. My parents have them in their yard during the summer.

    ReplyDelete

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