Mysterious Bird Disease Disappears but Threats Persist

Screenshot of Audubon article about the bird disease disappearing.
Screenshot of Audubon article.

By Frank Gallagher, NANPA Blog Coordinator

Earlier this year, birds started coming down with swollen eyes and “crusty discharges,” neurological symptoms, and blindness which all too often led to death. The disease spread quickly through 11 mid-Atlantic and Great Lakes states, as far south as Florida and as far west as Indiana, prompting state wildlife agencies and Audubon chapters to urge people to take down feeders. Bodies of dead birds were sent to labs for analysis, hoping to pinpoint the pathogen responsible. To date, there has been no firm diagnosis. As the summer ended, so did reports of ill birds. Just as swiftly and mysteriously as it started, so this disease seems to be abating.

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