Arctic foxes face welfare challenges from climate change that is allowing red foxes to expand northward into their habitat, increasing competition and disease risk.
Arctic foxes experiencing shorter snow seasons have white coats that provide inadequate camouflage against snow-free tundra during hunting and evading predators, creating welfare harm through increased predation exposure. Lemming boom-bust cycles that have historically provided predictable abundance are becoming less reliable, causing food insecurity during traditionally good years. Competition from expanding red foxes limits access to the highest-quality denning habitat, forcing arctic foxes into marginal locations with reduced pup survival. The combination of these climate-mediated stressors creates a compounding welfare decline that population support programs attempt to address through supplemental feeding during poor lemming years.