Killer whales are the only natural predator of baleen whales—those that have "baleen" in their mouths to sieve their plankton ...

New research finds some baleen whale species call at such deep frequencies that they're completely undetectable by killer whales, which cannot hear sounds below 100 hertz. These also tend to be the ...

Staff at Captain Dave’s Dolphin and Whale Watching Safari spotted a group of killer whales swimming near Dana Point, ...

Aerial drone footage shows the humpback whale (Megaptera novaeangliae) missing its iconic lobed fluke, which is responsible for propulsion while swimming. Taken by Eric Guth under NMFS permit # 24359 ...

Killer whales are the only natural predator of baleen whales — those that have "baleen" in their mouths to sieve their plankton diet from the water ...

Some baleen whales avoid killer whale attacks by singing songs at deep frequencies that their predators cannot hear.

Orcas, like humans, get baby bumps in the early months of pregnancy and grow larger as the pregnancy advances. Researchers ...

For more than a thousand miles, a Southern Resident killer whale known as Tahlequah carried the body of her dead calf on a ...

A welcome sight Thursday morning: Orcas in the Puget Sound. Experts say there’s one distinct thing people should know about ...

In Antarctica, killer whales hunt using their intelligence and teamwork. Swimming together to create powerful waves, they can wash seals off pieces of floating ice. Follow a team of scientists and ...

The Southern Resident Killer Whales –– pods J, K and L –– are more common around the Salish Sea, but the northern population is the only one known to engage in beach rubbing behaviour, Sutton said at ...

The Northern Resident Killer Whales A5 pod has been visiting the Howe ... Beach rubbing, when animals swim close to shore to rub their bellies on smooth pebbles, is thought to help scrape off ...