Prairie dogs are keystone species whose welfare and conservation are inseparable from the health of North American grassland ecosystems.
Prairie dog welfare involves both individual suffering from poisoning campaigns and population-level conservation threats that undermine ecosystem function. Mass poisoning causes prolonged individual suffering through anticoagulant or zinc phosphide toxicity — deaths that occur over hours to days. The ecosystem welfare implications extend to the black-footed ferret, burrowing owl, swift fox, and dozens of other species that depend on prairie dog colonies. Plague vaccination programs represent a welfare-positive intervention that simultaneously serves individual prairie dog welfare, population conservation, and the broader ecosystem health that many other species depend upon.