For 40 years, scientists have been monitoring the Neotropical otter (Lontra longicaudis) along the southern coast of Brazil. A study published in Estuarine Management and Technologies reveals that ...

Sleeping underwater might sound peaceful — but for ocean animals, it’s a matter of survival. Some dolphins sleep with one half of their brain at a time, keeping one eye open to avoid danger and ...

Comical pictures show a greedy otter biting off more than it can chew after catching a giant crab for its breakfast. The ...

Thatcher, a 7-year-old river otter, has successfully adjusted to her new environment at Wildlife Prairie Park, where she is building bonds with her keepers and showing off her curious personality.