Meet Olivia! She's a North American river otter at Downtown Aquarium - Denver, and she's very happy her species is fighting back from being on the brink of extinction. | Great Big Story

103K views · 5.4K reactions | Otter wrestle mania. | Cincinnati Zoo & Botanical Garden | Facebook

17K views · 197 shares | Stop by American Trail to visit our newest resident, Ashkii, who is otterly adorable. North American river otters have a third eyelid, or nictitating membrane, that protects the eye and allows the otter to see when swimming underwater. The otter's ears and nostrils close underwater. VISIT: https://nationalzoo.si.edu/visit. | Smithsonian’s National Zoo and Conservation Biology Institute | Facebook

8.2K views · 512 reactions | 簾 North American river otters are considered a keystone species, which means other species in the same habitat largely depend on the existence of river otters. They are a top predator and their presence also reflects the health of the ecosystem around them. Find river otters, and you will find healthy streams and rivers.  See them at American Trail! | Smithsonian’s National Zoo and Conservation Biology Institute | Facebook

Volunteer videographer Dale Bohlke captured some great river otter footage this month that we thought might brighten up your day! | Yellowstone National Park