Hundehort Hundebetreuung Hundesitter Dogwalker Mittagsspaziergang Ganztagsbetreuung Halbtagesbetreuung Abholdienst Bern Köniz Niederscherli. Conservationists estimate wolves are needed to sustain a healthy degree of genetic diversity within the population. Photograph: NPL/. The gray wolf or grey wolf (Canis lupus), also known as the timber wolf or western wolf, is a . wolf male lineages found that 5 of them originated from dog ancestry, indicating that female wolves will breed with stray male dogs in the wild.