Bat populations face threats from roost disturbance, habitat loss and wind energy development, and conservation measures that protect roosts also protect individual bat welfare at critical resting sites.
Bat welfare is intrinsically linked to roost access and quality. Bats that lose roost access due to building renovation, cave disturbance or natural feature removal face welfare harms including disrupted hibernation, exposure to temperature extremes and the energy cost of searching for alternative roost sites. Disturbance of hibernating bats causes premature arousal that depletes fat reserves — a serious welfare harm that can cause death when winter food is unavailable. Wind turbine mortality causes barotrauma injury from pressure changes around turbine blades — a welfare harm at the individual level that aggregates to population-level conservation impacts. Cave tourism during bat hibernation season causes repeated arousal events that cumulatively threaten colony survival.