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

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

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

The 39-foot gray whale carcass was discovered floating off Marina del Rey on Saturday with most of its head missing.

and that's a real gamble for them because that prey could get away and then that's a meal lost. - Killer whales are one of only a handful of animals that actively teach their young, and it's the ...

Bigg’s killer whales prey predominantly on other marine mammals, including gray whales. But virtually all previous gray whale predations have involved much smaller calves. The CA56/CA133 pod has ...

Pack-ice killer whales are highly social creatures, communicating through various vocalizations like pulsed calls and whistles. For the first time, researchers have recorded these vocalizations and ...

Based on DNA analysis from the bite wounds on the carcass of a large white shark washed ashore near Portland in Victoria in ...

Scientists confirm that orcas and dolphins have lost the ability to return to dry land due to irreversible evolutionary ...

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 ...