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

Let’s learn some North American river otter facts on this #WorldOtterDay! 🦦 North American river otters live and thrive in a variety of climates! They are found as north as Canada and as south as Mexico. 🦦 River otters can hold their breath for up to eight minutes! 🦦 This species can grow up to four feet long, with their tail making up about a third of their total length. 🦦 Celebrate World Otter Day with Walle, Boomer, and Opie today at CMA! | Clearwater Marine Aquarium

Have you visited the North American river otters this winter? Cozy up in the log cabin at the Edward Mardigian Sr. River Otter Habitat, which features floor-to-ceiling acrylic windows that allow you to get nose-to-nose with these charismatic creatures. #DetroitZoo #ZooinWinter #VitaminZ | Detroit Zoo