Human echolocation
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Human echolocation is the ability of humans to detect objects in their environment by sensing echoes from those objects, by actively creating sounds: for example, by tapping their canes, lightly stomp
Ben Underwood
Echo-related activity in the brain of an early-blind, trained echolocator is shown on the left. There is no activity evident in the brain of a sighted person not so trained (shown on the right) listening to the same echoes
Animal echolocation
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Echolocation, also called bio sonar, is a biological active sonar used by several animal groups, both in the air and underwater. Echolocating animals emit calls and listen to the echoes of those calls
Human echolocation
…lightly stomping their foot, clapping their hands, snapping their fingers, or making clicking noises with their mouths. People trained to orient by echolocation can interpret the sound waves reflected by nearby objects, accurately identifying their location, size and density. That is, the echoes allow detailed…
A Palawan swiftlet (Aerodramus palawanensis) flies in complete darkness inside the Puerto Princesa subterranean river cave.
The especially long tails on the hindwings of the African moon moth, a Saturniid, oscillate in flight, deflecting the hunting bat's attack to the tails and thus enabling the moth to evade capture.