New research has confirmed that West Coast transient killer whales who live between British Columbia and California are two distinct subpopulations: inner and outer coast transients. Subscribe to our ...

While the taxonomic status of killer whale ecotypes (Orcinus orca) and common dolphin subspecies (Delphinus delphis) has long been debated, recent research suggests newly recognized subspecies ...

Preface -- What is a marine mammal? -- Main groups of marine mammals -- Modern taxonomy of marine mammals -- How to look for marine mammals -- Natural history of marine mammals -- Conservation -- How ...

Neuroscientist Lori Marino and a team of researchers explored the brain of a dead killer whale with an MRI and found an astounding potential for intelligence. Killer whales, or orcas, have the ...

Killer whales have been caught on video breaking off pieces of seaweed to rub and groom each other, scientists announced Monday, in what they said is the first evidence of marine mammals making their ...

Learn more about a group of orcas in the Pacific Northwest that have been observed making and using tools to groom each other. Many members of the animal kingdom, from birds to elephants, have been ...

New research has confirmed that West Coast transient killer whales who live between British Columbia and California are two distinct subpopulations: inner and outer coast transients. Based on 16 years ...

Inner coast transient killer whale hunting close to a Steller sea lion haulout off the outer coast of Washington. New research has confirmed that West Coast transient killer whales who live between ...