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Their intestinal tract is highly adapted to absorb the most nutrients from food; the walls are folded and contain copious blood vessels, allowing for a greater surface area over which digested food and water can be absorbed. Baleen whales get the water they need from their food; however, the salt content of most of their prey (invertebrates) is ...
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 derivative. Some whales, such as the bowhead whale, have
In recent years Japan has resumed taking North Pacific fin whale and sei whales in their research whaling. The fin whales are highly desired because they yield arguably the best quality of tail meat (onomi). [14] Japanese research vessels refer to the harvested whale meat as incidental byproducts which have resulted from study.
In the drone video, they observed that younger, smaller whales often swam sideways or facing forward, opening and closing their mouths to find and take in food. Older, bigger whales, meanwhile ...
More whales will then blow bubbles while continuing to circle their prey. The size of the net created can range from three to thirty metres (9.8 to 98.4 ft) in diameter. [ 6 ] One whale will sound a feeding call, at which point all whales simultaneously swim upwards with mouths open to feed on the trapped fish. [ 4 ]
Baleen whales were a major source of whale oil. Their oil is exclusively composed of triglycerides, whereas that of toothed whales contains wax esters. [6] The bowhead whale and right whale were considered the ideal whaling targets. They are slow and docile, and they float when killed.
A seal is lucky to be alive after it was accidentally swallowed by a humpback whale! A group of sightseers got more than they bargained for while on an excursion with Blue Kingdom Whale and ...
The whales make groans, pops and belches typically at frequencies around 500 Hz. The purpose of the sounds is not known but may be a form of communication between whales within the same group. Northern right whales responded to sounds similar to police sirens—sounds of much higher frequency than their own. On hearing the sounds, they moved ...