In a new sign of toolmaking in marine mammals, orcas in the Pacific Northwest were recorded rubbing stalks of kelp against each other’s bodies, a study shows.

Mexico's Congress on Thursday approved a ban on entertainment shows involving dolphins and other marine mammals, the lower ...

The Marine Mammal Center in Sausalito wants to protect marine creatures from well-meaning humans. That's after a study ...

Southern resident killer whales have been caught on drone video crafting kelp tools to groom one another—an unprecedented ...

This is the first documented evidence of its kind of marine mammals fashioning tools out of objects in their environment, ...

Wren and Hue. Those are the names of two California sea lion pups brought in with injuries to the Marine Mammal Care Center ...

Local resident Joe Noriel is accustomed to spotting various aquatic birds and animals while kayaking on the Petaluma River.

Killer whales are known for exceptional intelligence, displaying complex social structures and sophisticated communication.

Researchers using a new drone say they have observed killer whales finding and modifying stalks of kelp to preen each other.

We were amazed when we first noticed this behavior,” said Michael Weiss, research director at the Center for Whale Research in the U.S. state of Washington. What started as a puzzling observation in ...

According to a May publication in the Journal of Wildlife Diseases, researchers at UH Mānoa and the College of Tropical ...