On a blue-sky afternoon, kayakers paddle past dozens of sea lions lolling in the sun and make a beeline toward the sea otters lounging on beds of eel grass at Elkhorn Slough on California’s central ...

Pleasant Island in Alaska is not exactly befitting of its name. The frigid, 20-square-mile island is uninhabited by humans, but it hosts a remarkably large and rich ecosystem that features deer, ...

Visitors to Tyler's Caldwell Zoo can experience the Amazon habitat and meet the playful giant river otters, Mazaruni and ...