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

The tiniest cat on record is Mr. Pebbles, a 2-year-old cat that weighed

Animal Facts

Cats have whiskers on the backs of their front legs, as well

Animal Facts

Cats walk like camels and giraffes: They move both of their right feet

Animal Facts

Licking is a way for a dog to demonstrate they are submissive towards

Animal Facts

Cats prefer to remain non-confrontational. They will not fight to show

Animal Facts

If you thought all dogs barked, then prepare yourself for a surprise.