Wolverines are elusive, wide-ranging carnivores whose conservation relies on remote tracking methods that balance research needs against minimal disturbance to this sensitive species.
Wolverine research involves genuine welfare trade-offs. Live-trapping with padded leg-hold traps or box traps causes acute distress, and GPS collar fitting requires chemical immobilisation with associated risks in remote environments at altitude. Researchers increasingly favour remote camera arrays and DNA sampling from hair snares as non-invasive alternatives. For collared individuals, modern lightweight GPS units transmit locations via satellite without VHF radio flights, reducing disturbance near dens. The most significant welfare concern is existential: wolverine population viability depends on large connected wilderness areas with reliable late-season snow. Habitat fragmentation from roads isolates subpopulations, and vehicle strikes are a significant mortality source. Climate change projections show wolverine range contracting by 60% under high-emission scenarios — a slow-motion welfare catastrophe affecting thousands of individuals.