Killer whales, also known as orcas, are easily recognized by their stunning black and white appearance. These huge animals ...

Whale sharks and baleen whales are all filter feeders, but they filter their food in different ways. Baleen whales have long strand-like teeth hanging from the upper jaw, forming baleen plates.

Baleen whales don't have teeth, but they and dolphins share a common ancestor, and both rely on complex vocal communication in a dark underwater environment.

Baleen whales have two blowholes rather than one and are also usually much larger than their toothed counterparts. The blue whale is the largest animal to have ever lived and has been known to ...

Blue whales are a species of baleen whale. Baleen whales don’t have teeth. Instead, they have baleen, which they use to help them filter krill, plankton, and other tiny creatures from the ocean ...

Toothed whales, such as sperm whales, beaked whales, dolphins and porpoises, catch and eat their food using a variety of different forms of teeth. Baleen whales include the bowhead whale, the humpback ...

Research using computed tomography (CT) to image a 25-million-year-old fossil whale skull has shown that Aetiocetus weltoni -- a distant relation to today's Mysticeti baleen whales -- had teeth and ...

Baleen whales evolved bristly baleen plates instead of teeth, which filter or trap krill, plankton and small fish inside their mouths.

As the study authors explain, baleen whales and their toothed whale cousins could not survive with the larynxes from their land mammal ancestors.

They found that baleen whales evolved to produce sound with the vibrations of specific internal structures in the larynx, that toothed whales do not have.

It is one of Earth's most haunting sounds - the "singing" of baleen whales like the humpback, heard over vast distances in the watery realm. Now scientists have finally figured out how these ...

The ‘missing years’ of whale evolution Various groups of toothed whales terrorized the ocean for millions of years, including some that were the ancestors of the toothless baleen whales.