That isn’t usually supposed to happen.

These pups could pass as twins!

Wolf-dog hybrids are bred by crossing domestic dogs with wolves, sometimes just a few generations back. They carry physical traits and instincts that set them far apart from standard breeds. These ...

Wolfdogs are becoming a popular choice worldwide with people looking for furry companions. Conservationists are growing increasingly concerned these hybrids could interbreed with wild wolf populations ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A wolf-like dog’s dramatic reaction to meeting her new canine sister ...

What’s furry, cute, and may have ancestral ties to ancient wolves? Possibly, your dog. Researchers at the New York-based American Museum of Natural History and the Smithsonian’s National Museum of ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. From their wolf ancestors to today’s sweet, loyal ...