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 ...

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 ...

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.

Naturalist Stan Tekiela explores the enduring charm, biology, and resilience of sea otters during a recent photo tour in ...