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Species like these are collectively known as killer sperm whales or macroraptorial sperm whales. [58] [59] Beaked whales consist of over 20 genera. [60] [61] Earlier variety were probably preyed upon by killer sperm whales and large sharks such as megalodon. In 2008, a large number of fossil ziphiids were discovered off the coast of South ...
Toggle Baleen whales subsection. 1.1 Rorquals. 1.1.1 Blue whales. ... List of captive killer whales; List of cetaceans; Military marine mammal; Whale § In myth ...
To use baleen, the whale first opens its mouth underwater to take in water. The whale then pushes the water out, and animals such as krill are filtered by the baleen and remain as a food source for the whale. Baleen is similar to bristles and consists of keratin, the same substance found in human fingernails, skin and hair. Baleen is a skin ...
Killer whale porpoising. ... Baleen whales are largely monogamous within each reproductive period. ... This is an animal the size of a wolf, whose skeleton is known ...
That means baleen whales make their sounds with their larynx, as do humans, while toothed whales - including dolphins, porpoises, killer whales and sperm whales - evolved a different mechanism ...
Baleen whales can have streamlined or large bodies, depending on the feeding behavior, and two limbs that are modified into flippers. The fin whale is the fastest baleen whale, recorded swimming at 10 m/s (36 km/h; 22 mph). Baleen whales use their baleen plates to filter out food from the water by either lunge-feeding or skim-feeding
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Killer whales are apex predators throughout their global distribution, and can have a profound effect on the behavior and population of prey species. Their diet is very broad and they can feed on many vertebrates in the ocean including salmon, [82] rays, sharks (even white sharks), [83] [84] large baleen whales, [85] and nearly 20 species of ...