Find out what Project FeederWatch is, its history, and more
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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.
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Unusual Birds Gallery
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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)
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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
Yaron Rotman
Bethesda, MD, USA
Male purple finch with rt eye conjuctivitis. Female seen previous day with no eye disease. Likely only pair of purple finches in my yard – not seen during the winter and rarely seen now.
Eye problems
Category: Eye problems
Male purple finch with eye disease (rt. eye only)
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