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 ...

Deep in the Pacific, humans have tracked a mysterious whale’s call for decades—but no other whale seems to respond. And now, we might be running out of time to find the source. As far as deep-sea ...

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 ...

Toothed whales use sound to find their way around, detect objects, and catch fish. They can investigate their environment by making clicking sounds, and then decoding the "echoic return signal" ...

Example photo of a humpback whale fluke from which identification of individuals is enabled through distinction of fluke shape and coloration. This photo by T. Cheeseman is of the individual most ...