White-nose syndrome has devastated North American bat populations, causing mass mortality events with profound welfare implications for affected individuals and wider ecological consequences.
White-nose syndrome causes prolonged suffering in affected individual bats before death. The fungus damages wing membranes and skin, causing intense irritation that disrupts hibernation. Bats affected during winter emerge prematurely, often in daytime, exhausted and emaciated, frequently dying of starvation or exposure. The scale of mortality represents one of the most significant wildlife disease events in modern history. Beyond population-level conservation concerns, the welfare of millions of individual animals during this disease process demands attention. Research into probiotic treatments, fungicide applications, and bat physiology offers hope, but funding for bat welfare and conservation science remains inadequate relative to the scale of the crisis.