The European hamster (Cricetus cricetus) is Critically Endangered in Western Europe, with the last viable wild population in France's Alsace region reduced to just a few hundred individuals. Agricultural intensification has eliminated the diverse cereal and legume landscapes this species requires.
European hamsters in Alsace's monoculture landscape cannot find sufficient food diversity for healthy hibernation preparation. Animals entering hibernation underweight have high winter mortality. Road mortality as hamsters move between inadequate habitat patches causes traumatic death. Pesticide exposure impairs reproductive success: insecticide use eliminates invertebrate food sources needed by nursing mothers. Captive-bred reintroduced animals face acute adaptation challenges and often show high first-winter mortality. Welfare of the last wild French hamsters is directly tied to agricultural policy decisions affecting the entire Alsace landscape.