With the demise of the wolverine (Gulo luscus Linnaeus) in the Adirondacks in the late 1700’s or early 1800’s, the river otter became the region’s largest member of the weasel family. Adults weigh 5.4 ...

Depending on its habitat, the diet of an otter can vary ... For the North American river otter, fish, crayfish, frogs and turtles are on the menu, Smithsonian's National Zoo and Conservation ...

The playful North American river otter is equally at home in the water and on land. It makes its home in a burrow near the water's edge, and can thrive in river, lake, swamp, or estuary ecosystems.