baleen whales don’t have teeth or vocal cords. Instead, in their voice boxes, they have a U-shaped tissue that allows them to breathe in massive amounts of air and a large “cushion” of fat ...
These things can tell us about the evolutionary history of whales. 'For instance, humpback whales are filter feeders, meaning they have hundreds of plates of baleen in their mouth instead of teeth.
Certain skeletal features of archaic whales, particularly their large, triangular cheek teeth, strongly resembled those of mesonychids, a group of hoofed Eocene carnivores. (The massive ...
Fortunately, the ocean offers a range of dining options. All whales are divided into two suborders: Odontoceti (those that have teeth) and Mysticeti (which have baleen plates instead). A whale's diet ...
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 ...
and DOC said local Maori communities would take part in deciding the whale's fate. The species was first described in 1874 after a lower jaw and two teeth were collected from New Zealand's Chatham ...
Hippos, killer whales and sperm whales are targeted for their teeth, while narwhals and walruses are hunted for their tusks. An investigation in 2022 by conservation charity Born Free found 621 ...
Whales offered an unusual opportunity to try to piece together the reasons for menopause. Several closely related species of toothed whales — a group that includes cetaceans with teeth as opposed to ...