We are seeing an unpleasant-looking tumor-like growth on a few young
birds. Does someone have knowledge of this malady?
Primary symptom: a large fleshy distended mass in the vent area of
young Common Grackles. We’ve seen just one bird, but our neighbor
reports a total of three birds observed, including one on the verge
of death. Apparently, all birds were young Grackles.
Would this be a single nest-specific type of parasitism or possibly
something contagious? Thanks for any enlightenment.
--Dan & Sandy Thimgan
--
Thimgans
Battle Lake MN
Otter Tail County
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