Aspergillosis is a disease caused by species of fungi of the genus Aspergillus sp. and is important for wild birds. A female budgerigar ( Melopsittacus undulatus ) presenting with dyspnea, apathy, anorexia, ruffled feathers, and drowsiness with abnormal tail movements, suggesting respiratory distress, was treated in the emergency room at the Center for Wildlife Medicine and Research. The animal died and the body was sent to th...