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

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

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 ...

According to their results recently published in the journal Ecology and Evolution, the culprit is clear: a killer whale ...

Recent findings used wildlife forensics and citizen science data to provide the first confirmed evidence of killer whale ...

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

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 ...

DNA evidence has confirmed that killer whales in Australia hunted a white shark for its liver—marking the first recorded case ...

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 ...

Over a year after a dead 15-foot shark was found with mysterious bite wounds and stripped of its internal organs, DNA ...

For the first time, DNA evidence has confirmed killer whales in Australia hunted a white shark for its liver. Based on DNA analysis from the bite wounds on the carcass of a large white shark washed ...