![]() ![]() That is the dim and complex world in which whales live.Īlthough whales and dolphins are air-breathing mammals, they spend approximately 85 percent of their time submerged. ![]() ![]() Now flood that field with seawater and make it not only dark, but profoundly deep and filled with a myriad of exotic creatures and objects. Bats’ large, distinctive, convoluted, and mobile ear flaps are critical for the fine-grain acoustic analysis they do during echolocation. Biosonar is also how they navigate in dark caves. They detect and catch their targets through echolocation, or biosonar, the animal equivalent-and precursor-to man-made sonars.īats generate signals in their nose and throat that produce echoes, which the bats monitor to determine the size, shape, speed, and direction of their prey, as well as any other objects in the area. On summer nights, if you sit quietly at the edge of a field or watch the edges of the light pools around street lamps, you will see bats swooping through shadowy darkness in search of moths or other flying prey. ![]()
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