Baleen whales have a special structure in their mouth that enables them to filter feed. Instead of teeth, they have baleen plates that hang down from their upper jaw. These are made from keratin – the ...

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 ...

The 14 baleen species include the rorqual family – slender, streamlined baleen whales such as fin, sei, humpback and the largest animal that has ever lived, the blue whale.

New research from the University of Washington finds some baleen whale species call at such deep frequencies that they’re completely undetectable by killer whales, which cannot hear sounds below ...

More solitary than toothed whales, baleen whales face predatory attacks from killer whales, especially mother and calf pairs.

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 ...

Boaters got "lucky enough" to spot a plethora of sea creatures off the coast of California, spotting multiple species in one ...

Some baleen whales, or whales that have plates in their mouths to help sieve out plankton, sing low-frequency songs to not only attract potential mates but also keep them safe from killer whale ...

Because baleen whales — of which there are 16 species, including Humpback, Blue and Fin whales — are too large to study in captivity, biologists have had to infer their hearing ability from ...

Baleen whales come to feast on the bounty, and in 2010, two bowhead whales entered the bay to gorge. As the pair came within 100 kilometers of one another, they were visually out of range, ...