Bat Welfare and White-Nose Syndrome

White-nose syndrome has killed over 90% of affected bat populations in North America, representing one of the most acute wildlife welfare crises on record.

Key Facts

Pseudogymnoascus destructans fungus has killed over 6.7 million bats since its discovery in 2006
Some species have declined by 90-99% in affected areas
Bats play critical roles in insect control, valued at $3-53 billion annually in pest suppression
The disease disrupts hibernation, causing bats to exhaust fat reserves and starve
Researchers are developing probiotic and UV light treatments that show some promise

Welfare Considerations

White-nose syndrome causes individual bats to wake repeatedly during hibernation, depleting fat reserves needed to survive winter. Affected bats die from starvation and dehydration over weeks of progressive decline — a prolonged, distressing death affecting millions of individuals simultaneously. The scale of this mortality event represents one of the largest welfare crises caused by an introduced pathogen, comparable to chytridiomycosis in amphibians. Research into treatments and natural resistance mechanisms is genuinely urgent.

What You Can Do

Donate to bat conservation organizations researching white-nose syndrome treatments
Install bat boxes on your property to provide additional roosting habitat
Never disturb hibernating bats in caves or mines
Support decontamination protocols for caving equipment to prevent fungal spread
Advocate for research funding for bat disease and population recovery programs