Wolverines are wide-ranging, solitary carnivores that cover extraordinary distances in the wild — their welfare in zoo settings is compromised by the fundamental mismatch between their ranging needs and captive space.
Wolverines represent one of the most challenging welfare situations in zoo management. Their evolutionary ecology is built around vast territory traversal — a ranging need that no zoo can approximate. The result is near-universal stereotypic pacing in captive individuals, reflecting the profound frustration of mobility needs that cannot be met. Some zoos have developed innovative approaches — multiple interconnected enclosures, hidden food caching opportunities, and varied terrain — that reduce stereotypy frequency. These improvements represent genuine welfare gains but do not eliminate the fundamental behavioral restriction. Given the challenges, wolverines are increasingly questioned as appropriate zoo species, with conservation value assessed against welfare costs.