Puppies can sleep 18 to 20 hours a day during that rapid body growth phase.

Puppies can sleep 18 to 20 hours a day during that rapid body growth

More from the Animal Facts niche...

Animal Facts

Three dogs (from First Class cabins!) survived the sinking of the

Animal Facts

The frequency of a domestic cat’s purr is the same at which muscles and

Animal Facts

Researchers are unsure exactly how a cat purrs. Most veterinarians

Animal Facts

Kittens in the same litter can have more than one father. This is

Animal Facts

When your cat sticks his butt in your face, he is doing so as a gesture

Animal Facts

If a cat is frightened, the hair stands up fairly evenly all over the