The sea otter is one of 13 species of otter and is a member of the weasel family. It can be found on the Pacific coasts of North America and Asia. Sea otters spend most of their lives in the water ...

The transplants reproduced so readily that, by 2011, their descendants numbered more than 25,000. “They seem to be incredibly resilient,” said Todd McLeish, author of “Return of the Sea Otter.” “Given ...