💙🦦 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

The playful river otter has a thick, full coat of fur and doesn't encounter very many predators. This little family of otters living in Yellowstone National Park know exactly how to get a good catch and evade predators them whether being hunted by land, air or sea! | Real Wild