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. More solitary than toothed whales, baleen whales face ...

Baleen whales are among the largest creatures in the ocean, but that doesn’t mean they’re safe from other animals. A pod of orcas can take a giant baleen whale down, and these filter-feeders are ...

Baleen whales are some of the most unique and breathtaking animals. These huge marine mammals are some of the biggest to have ever existed and are found all over the world. Despite their size, these ...

In March, Kathleen Hunt unpacked the first shipments of equipment and samples at her new laboratory at Oregon State University’s Marine Mammal Institute in Newport, on the Pacific coast. On empty ...

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 ...