Koalas face a welfare crisis from chlamydia disease, habitat destruction, dog attacks, and vehicle strikes. Rehabilitation programs restore individuals, but only habitat protection addresses population-level welfare.
Individual koala welfare is shaped by disease burden, habitat availability, and human-wildlife conflict. Chlamydia causes chronic pain from cystitis and conjunctivitis — affected koalas show reduced movement and foraging behavior consistent with ongoing suffering. Antibiotic treatment is effective but requires capture, which is itself stressful. Vehicle strikes cause severe traumatic injuries; survivors require months of rehabilitation. Creating wildlife corridors and underpasses at known crossing points reduces road mortality. Supporting wildlife hospitals that treat injured koalas addresses immediate welfare while habitat protection addresses the underlying population-level crisis.