Lions and tigers in captivity are among the most welfare-challenged large mammals in zoos. Their need for vast territories, complex social structures, and predatory behavior cannot be adequately met in typical zoo enclosures.
Big cats in zoo enclosures represent one of the clearest welfare failures in captive animal management. The mismatch between what lions, tigers, leopards, and cheetahs need — vast territories, complex social or solitary lives, active predatory behavior, and varied terrain — and what even the best conventional zoo enclosures provide is not a matter of resource allocation but of fundamental incompatibility. Stereotypic pacing in large felids is so common as to be considered normal by many zoo visitors, but it is not normal — it is a behavioral indicator of a nervous system attempting to express movement behaviors it cannot fulfill. The conservation justification for maintaining big cats in zoos is weak for most species: effective conservation requires protecting habitat, not maintaining small captive populations in welfare-poor conditions. Genuine welfare improvement for captive big cats requires either significantly larger, naturalistic sanctuary-style environments with enrichment programs that engage predatory cognition, or honest evaluation of whether captive maintenance serves conservation or welfare goals adequately.