A free-living Bald Eagle (Haliaeetus leucocephalus) displayed acute onset neurologic signs. Postmortem analysis of adipose tissue identified desmethylbromethalin, the active metabolite of bromethalin. Antemortem signs, detection of desmethylbromethalin, and results of other diagnostics support the possibility of secondary bromethalin toxicosis. Investigation of bromethalin’s potential risk to wildlife is critically needed.

© Wildlife Disease Association 2023
2023
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