African lions have declined by approximately 43% over the past 21 years, facing mounting pressure from habitat loss, prey depletion, retaliatory killing, and trophy hunting controversies.
Lions killed in retaliatory poisonings — often using agricultural pesticides — die painful, slow deaths from organophosphate or carbofuran toxicity, affecting entire prides and non-target vultures simultaneously. Snare injuries cause limb amputations or chronic infections. Lions displaced from territories by development must navigate increasingly hostile landscapes. Cubs whose mothers are killed face starvation or infanticide from incoming males. Trophy-hunted lions, when regulations are poorly enforced, may include breeding-age males whose removal destabilizes prides and causes infanticide of their cubs. The welfare dimension of lion decline is inseparable from the ecological and social pressures driving human-lion conflict — addressing poverty and providing livestock protection tools simultaneously improves lion and human welfare.