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

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 ...

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 ...

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 ...

The biggest cetacean in the world is the blue whale, whose scientific name is Balaenoptera musculus. This huge animal is approximately 100 feet long. Some can reach slightly longer, but this is a rare ...

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

In the icy waters of Antarctica, a gripping spectacle unfolded as a brave duo of humpback whales intervened in a killer whale hunt, leaving spectators awestruck. Humpback Whale via Unsplash. There is ...

Over time, that name morphed into "killer whales." Scientists don't know whether orcas kill for fun. The marine mammals do some things, like killing and tossing dead porpoises in the air ...