Unsurprisingly, wolf-watching in Yellowstone National Park is a popular activity among visitors. One of the world’s most ...

Like the red wolf, it is distinguished from other Canis species by its larger size ... red, or brown to black also occur.

The dog, Canis familiaris, is a direct descendent of the gray wolf, Canis lupus: In other words, dogs as we know them are domesticated wolves. Not only their behavior changed; domestic dogs are ...