how does whale moves from one place to another
Answers
Each year, whales migrate from Hawaii to the northern Pacific coast, and back. How do they manage to find the tiny islands in that vast sea? Sonar may help them stay together and follow one another, but they must use some other means to remember and relocate their destination.
Many researchers believe whales use biomagnetism to do this. We already know about lots of animals and birds that use magnetic material in their bodies to help them understand where they are. For example, the Arctic tern makes a pilgrimmage from the North Pole to the South Pole and back every year. The tern has a compound called biomagnetite in its brain, that may make its brain cells sensitive to changes in the earth's magentic field. As the tern flies, it may be able to sense the direction of the surrounding magnetic field and use that information to guide it.
Biomagnetite has been found in the brains of whales and dolphins, and it is widely believed that marine mammals use magnetism as well as sonar to direct themselves during migration.
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