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Our Winter Bird Highlights, summarizing the results from the 2022-23 season, is now online.


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Denise Peralta

Yorba Linda, CA, United States


I first observed a bird in this condition in August and took my feeders down thinking they might be spreading the disease though I cleaned them quite regularily. I still see lesser goldfinches with this with this condition. Needless to say it kills them. I’d very much like to know what is wrong with them and whether or not I should leave their feeders down or can replace them.

In case it’s not evident, the growth starts at the beak.



Not Eye Disease

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