Are wolves and dogs the same species?

Jackson and Groves regard the dog Canis familiaris as a taxonomic synonym for the wolf Canis lupus with them both equally ranked at the species level. read more

Wolves and domestic dogs are closely-related species. Both can interbreed and produce viable, fertile offspring. Through DNA analysis, scientists have established that the wolf is the ancestor of the dog. read more

A wolf/dog hybrid is fertile and is in fact not a hybrid at all because wolves and dogs are exactly the same species. The dog is now known scientifically as Canis Lupus Familiaris and not just Canis Familiaris (as it is in older textbooks) in recognition of this fact. read more