North America with its vast and varied topography ... Examining geological surveys and maps alongside these river courses ...

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.

North American river otter pups have been born at the Seneca Park Zoo for the first time in its 132-year history. The three offspring — two females and one male — were born to 9-year-old ...