Case History: In September 2021, Wisconsin Department of Natural Resources reported a mortality event involving two eastern gray squirrels (Sciurus carolinensis) and three eastern cottontail rabbits (Sylvilagus floridanus) in a residential neighborhood in Wisconsin, U.S.
The animals were described as ataxic and unable to stand. NWHC received one squirrel and one rabbit found dead in the neighborhood for cause-of-death determination. The cause of death of the rabbit was undetermined. A summary of the diagnostic investigation for the squirrel is provided.
