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 ...

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

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

The University of Washington conducted a study that offers more support to this claim, arguing that whale excrement holds ...

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

Discover 10 lesser-known facts about the blue whale, the largest animal on Earth. Learn about its diet, communication, ...

The team analyzed whale poop for iron, known to be especially limited in the Southern Ocean, as well as copper.

The blue whale is the largest animal on the planet. It consumes enormous quantities of tiny, shrimp-like animals known as ...

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 ...

Researchers found that whale feces contain iron and non-toxic copper, essential nutrients for ocean ecosystems. The study ...