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Cornell Lab of Ornithology feeders
Ontario (winter only)
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David Markham
North Chesterfield, Richmond, VA, USA
House Finch appears to have growth on it’s left side of face between eye and bill. Other side of face is normal.
Other
House finch with deformity.
This might be Avian Pox, check out the Sick Birds and Bird Diseases section on the Learn tab.
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