If you’ve ever seen a picture or video of sea otters floating on their backs, holding hands as they snooze, you’ve probably thought it’s one of the most adorable things in the animal kingdom.

There are many species of otters, but the only otter species seen holding hands (or paws) are sea otters. There are three species of sea otters: Northern sea otters are found in the Pacific Ocean ...

Did you know that otters hold hands when they sleep so they don’t ... but only two species exist in the United States: the sea otter and the North American river otter. Unfortunately, these ...

Writing this post was an opportunity to gratuitously watch sea otters frolick via the Monterey Bay Aquarium's Live Sea Otter WebCam and look at pictures of sea otters are holding hands.

But it’s not just staying afloat that’s key to a life at sea – groups of otters hold hands and tangle themselves in kelp forests to make sure they don’t drift apart.

Dolphins sleep with one eye open, giraffes get about 20 minutes of sleep a day, and sea otters hold hands to avoid drifting apart. Bats sleep upside-down, some snails can hibernate for years ...