lutra cinerea, aonyx cinereus or amblonyx cinereus playing on the water in a pool near a tree

lutra cinerea aonyx cinereus amblonyx clawed looking mammal mustelid mustelidae otter river eurasian face young predator carnivore wildlife animal canids captive active asian charge agile black white europe hairynosed guarding standing sniffing smelling semiaquatic semi aquatic protecting pack fish marten martens lontra canadensis log listening leader lake holt wild