Signalment:Common redpoll (Acanthis flammea), adult, female
History:On April 8th 2021, this common redpoll was found alive on a deck in Prince Edward Island (Canada) and was unable to fly. It appeared puffed up, and seemed to be breathing heavily. It was submitted to the Atlantic Veterinary College wildlife service for treatment where fluids were administered and it was held overnight. The redpoll was found dead on the following morning in its cage.
Gross Lesions:There is generalized marked bilateral atrophy of the pectoral muscles and a complete absence of subcutaneous and internal body fat reserves. There is diffuse mild thickening of the walls of the esophagus and crop.