Hippos are ecosystem engineers that shape African river systems, but their populations face pressure from hunting, habitat loss, and escalating human conflict as water resources shrink.
Hippos face welfare threats from multiple directions: habitat degradation that forces them into smaller, lower-quality water refuges; retaliatory killing after human encounters; and direct hunting for ivory and bushmeat. Hippos caught in snares or shot for crop protection may survive with serious wounds that cause chronic pain and impair mobility. Their dangerous reputation means that injured hippos rarely receive wildlife hospital care. Human-hippo conflict is increasing as climate change reduces water availability and agricultural expansion pushes human populations toward river margins. Conservation programs that create buffer zones, provide early warning systems for nocturnal hippo movements, and compensate farmers for crop losses can reduce both human risk and hippo welfare harms from conflict.