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

Blue whales are not just the largest animals alive today, but the largest animals to ever live on Earth. They can stretch ...

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 ...

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

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

New research finds male baleen whales looking for love sing a different tune when attracting a mate, and it all depends on if ...

Orcas, also called killer whales, are apex predators of the ocean. Their intelligence, hunting skills, and sheer power make ...

Support for Nature: Expedition Killer Whale is provided in part by The Hite Foundation, Perpetual Kindness Foundation and Sun Hill Renewal Fund. Series funding for Nature is made possible in part ...

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

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

and combined these with knowledge of how sounds move through the ocean to predict which whale populations can be easily heard by killer whales. It turns out the calls of flight species generally ...

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 ...