Red squirrels are critically threatened in England and Wales by grey squirrel competition and squirrelpox virus. Conservation programs involve complex welfare trade-offs in managing both species.
Red squirrel conservation welfare involves an unavoidable ethical tension: protecting red squirrels requires managing grey squirrel populations through lethal means. Individual grey squirrels killed in control programs are sentient animals whose welfare matters, even as their population-level impact on red squirrel survival justifies management. The welfare obligation in this situation is to use the most humane available methods, minimize suffering in control operations, and actively develop non-lethal alternatives such as oral contraceptives that can reduce population management pressure over time. Both species deserve welfare consideration; the conservation reality is that current management requires difficult choices.