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Feeding Birds FAQs
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Unusual Birds Gallery
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Sick Birds Gallery
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Cornell Lab of Ornithology feeders
Ontario (winter only)
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Graphs of regional population trends and distributions
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Lab scientists analyze the data submitted by FeederWatch participants.
See birds well outside their winter range submitted to Project FeederWatch.
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Diamond Bar, CA
This looks like a Mourning Dove to me but it has what look like lumps on its head. I wondered if it was sick?
It’s a basal knob, male have them during mating season.
Actually, only certain species of waterfowl have Basal knobs, doves do not
It may be tumors or a disease
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