This South American otter is the world's largest, at some 6 feet long. It lives only in the rivers and creeks of the Amazon, Orinoco, and La Plata river systems. These huge members of the weasel ...

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.

The American river otter was found on land close to what would ... their foraging and den building behaviors modify habitat structure for other wildlife and their presence in the ecosystem ...

The otter was found after escaping during a winter storm on March 20. After being missing for nearly two weeks, a zoo in Wisconsin announced the good news about one of its escaped otters ...