River otters are excellent swimmers, and their diet is fish, crawfish, frogs, turttels, birds and rabbits. Also River otters habitats are wetlands like Canda or the United Sates. A mama otter can have at least 4 baby otters at a time. A wild River Otter lives up to nine years,and a zoo River Otter can live up to twenty-one years. Their preadetors are bobcats, coyotes,birds of prey,and a alligator.