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 ...

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

Pack-ice killer whales are highly social creatures ... Typically, kilowatts are quiet when they're searching for prey because sound travels incredibly well in water. And so they could alert ...

Learn more about how baleen whales split into two groups — fight or flight — and how these groups determine how loud they sing.

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 ...

Avoiding predators is one of the most important jobs for many members of the animal world. Even ocean giants like baleen whales have something to fear from killer whales, their only known natural ...

The endangered southern resident killer whales that visit Puget Sound were listed for protection under the federal Endangered ...

Just like popular songs on TikTok, new humpback whale songs can rapidly spread across regions and populations to replace ...

The carcass was found on the beach at Cape Bridgewater near Portland. Famously, killer whales have been documented at length targeting white sharks in South Africa, resulting in a mass exodus of ...

The recent autopsy of a partially devoured great white shark confirms a brutal hunting trend—killer whales around the world are not afraid to attack the fearsome fish, especially when they get a ...

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