http://mentalfloss.com/article/548648/facts-about-otters

Among the endangered are the sea otters along the Californian to Alaskan ... The aquarium has since devised a system of hand-rearing pups for the first six to ...

http://theconversation.com/curious-kids-why-do-sea-otters-clap-93133

Apr 17, 2018 ... Sea otters can break the shell on a shellfish by hitting it against a stone ... To keep their coat healthy, they use their hands to rub down their fur, ...

https://www.doi.gov/blog/12-facts-about-otters-sea-otter-awareness-week

Sep 25, 2017 ... Otters are some of the most adorable aquatic animals. Their charming features are unparalleled, from their expressions to their use of tools.

https://www.mnn.com/earth-matters/animals/photos/15-fascinating-facts-about-otters/yes-its-true-sea-otters-hold-hands

This photo of sea otters has made its way around the internet multiple times, and usually with the caption that sea otters hold hands to keep from flo.

https://seaworld.org/animals/all-about/otters/behavior/

Clawless otters are mainly nocturnal, though some individuals may be active ... Most vigorously dry themselves by rolling on the ground or rubbing against logs ...

https://www.youtube.com/watch?v=cuuz8s-DHvU

Apr 27, 2017 ... Filmed in Morro Bay, CA on April 10, 2017 *Please do not use my videos without my permission*

https://www.reddit.com/r/biology/comments/a9495h/why_otters_rub_their_eyes_a_lot/

So they probably rub their eyes to clean the fur around them and get ... the fact that they hold hands while sleeping as if they are some cute ...

https://www.discoverwildlife.com/animal-facts/mammals/facts-about-otter/

Why do otters juggle rocks? How fast can giant otters swim? How thick is an otter's fur? Get the answers and discover more fascinating otter facts here!

https://seaotters.com/sea-otter-natural-history/

Sea otters are highly specialized marine mammals capable of living their entire ... the animal can be seen somersaulting, twisting and turning, and meticulously rubbing ... Females, on the other hand, are sedentary by nature, generally staying  ...

https://animals.sandiegozoo.org/animals/otter

Sea otters are good at floating on the water's surface, as air trapped in their fur ... This marking behavior looks playful, as the otters rub on logs, roll in piles of fallen ... Some species, like the Asian small-clawed otter, also use their hands to ...