Find out what Project FeederWatch is, its history, and more
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Review these instructions carefully before you count and enter data
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Feeding Birds FAQs
Explore the winter distribution, food, and feeder preferences of common feeder birds.
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Unusual Birds Gallery
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Sick Birds Gallery
Find out how to identify birds and download identification tools
Learn how to help birds as they seek out food sources, nesting habitat, protection, and more
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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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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.
Start here for data entry and personal data review and exploration
Keep live track of your counts using the FeederWatch mobile app
Ross McKinney
Chapel Hill, NC, USA
An adult Chipping Sparrow being asked to feed an immature Brown Headed Cowbird. Brown Headed Cowbird eggs are laid in the nests of other birds, like Chipping Sparrows, and those parents dutifully raise the young cowbirds. In this case, the Cowbird was much larger than the Sparrow, who to my eye looks completely exasperated. Canon R, RF 600 F11 lens – 1/320 at F11
Category 2: It’s a Numbers Game
Exasperated Chipping Sparrow and its much larger adoptive child, an immature Brown Headed Cowbird. Right under a feeder in our yard.
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