Find out what Project FeederWatch is, its history, and more
Find out how you FeederWatch, when you can FeederWatch, and what you'll need to do to get started
Review these instructions carefully before you count and enter data
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
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
Explore species by state/province
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.
Start here for data entry and personal data review and exploration
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Susan Chadbourne
Dallas, TX, United States
This male House Finch has been visiting my feeder for the past month. He makes about two feedings a day at the feeder. I noticed these lumps or masses on toes and leg. Not sure what to make of this. He seems ok otherwise, nice weight, feeding continues.
Growths
Species: House Sparrow
House Finch feeding on sunflower seeds. I noticed masses or growths on leg, feet for the past month.
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