If your dog is acting sick or aggressive please consult ... eyes closed for the simple fact that puppies that they are an altricial species. To better understand why puppies are born with their ...

See what scientists believe about humans' artificial selection pressures on the dog genome. Aa Aa Aa Any dog lover knows that Labrador retrievers are friendly, Dalmatians are hyper, and Australian ...

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 ...