Friends?

What makes a puppy want to sleep in an adorable heap? Snuggling, also known as huddling, does more than create cute puppy piles. Puppies, like other animals, huddle to keep warm.

alliance
When Remy, a rat, makes an unusual alliance with a restaurant's new garbage boy, culinary adventures begin.

companion
When a young hippo mistakes a 130-year old tortoise for another hippo, they become loyal companions. Owen even groomed Mzee's skin controlling his huge jaws for his trusting friend.

But he turned into so much more than a hunting partner. He became my confidante, someone with whom I could share thoughts I could never voice inside the fence.

frolic
A stray kitten and a wild crow form a very unusual friendship frolicking and eating together, even playing hide-and-seek.

The hippopotamus is widely considered to be the No. 1 most dangerous animal in Africa. They may look like goofy, awkward oafs, but make no mistake: nearly everything about the hippopotamus is deadly.

In one of the most improbable - and adorable - animal pairings the gregarious dolphins seem to take a shine to the cat, named Thunder.

nemesis
Yogi must prove that he really is "smarter than the average bear" as he and Boo Boo join forces with their old nemesis Ranger Smith to find a way to save Jellystone Park from closing forever.

The simpatico relationship between Meryl Davis and Charlie White has helped them become a record-setting force in ice dancing. It's left even reserved skating commentators grasping for superlatives.

Blogger Jessica Shyba and her family adopted an adorable 7-week-old mutt. They named him Theo. On his third day as part of their family, Theo joined her toddler son Beau for afternoon snuggle time.