Overall, the fossil record and anatomical studies of baleen whales illustrate a complex evolutionary ... system using baleen plates instead of teeth. Archaeocetes: An extinct group of early ...

The fossil was valued at around $2,500 ... and are key to understanding the evolution from teeth to feeding with baleen. Modern baleen whales use baleen plates that filter prey like krill from ...

Baleen whales evolved bristly baleen plates instead of teeth, which filter or trap krill ... of fish and land carnivores. We ...

These whales' massive heads and jaws accommodate hundreds of baleen “teeth.” Rights and other baleen-feeding whales use a comblike strainer of baleen plates and bristles to ensnare tiny ...

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 ...

that hangs from the upper jaws of baleen whales (Mysticeti). Instead of teeth, these whales use baleen plates to filter-feed on small prey like krill, plankton, and small fish. But this 52-hertz ...