Wolverines are among the most wide-ranging land mammals on Earth, requiring vast undisturbed territories. Their welfare is threatened by habitat fragmentation, trapping, and climate change.
Wolverine welfare is primarily threatened by landscape-level issues rather than direct cruelty. Habitat fragmentation prevents dispersal and gene flow, creating isolated populations vulnerable to inbreeding. Leg-hold trapping, still used across much of their range, causes injury, pain, and stress. Climate change is reducing the deep spring snowpack required for secure denning, directly threatening reproductive success. Road building in mountainous areas is particularly damaging. Protection under the Endangered Species Act in the US remains contested despite clear population decline data.