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Find out about types of feeders and types of foods, and where to place your feeder
Feeding Birds FAQs
Explore the winter distribution, food, and feeder preferences of common feeder birds.
Find out about color and plumage variations, bald heads, and deformed bills
Unusual Birds Gallery
Find out about bird disease and identifying the signs of bird disease
Sick Birds Gallery
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Find an article archive packed with lots of great bird study information
Learn about house finch eye disease
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Cornell Lab of Ornithology feeders
Ontario (winter only)
See what birds occur the most by region
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See where FeederWatchers are
Graphs of regional population trends and distributions
Explore papers that have used FeederWatch data
Lab scientists analyze the data submitted by FeederWatch participants.
See birds well outside their winter range submitted to Project FeederWatch.
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Dr Christine Ringleb
Denver County, CO, USA
This is a house finch Carpodacus mexicanus; I have seen this bird at the feeder now for over a month. I have seen white feathers on the crown, the mantle and scapulars and some incidental white feathers on the coverts, supraloral, primaries, and body. It visits the feeder most days between noon and 14:00 hours often with a male house finch. I have seen just the tiniest bit of red above the tail when the primaries spread out a little. It has clear eyes and displays no aberrant behavior. I have not seen any bill deformity. I don’t have a good camera with zoom and stored several iPhone movies.
Leucistic House Finch (white feathers mainly on crown, mantle, scapulars)
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