Dolphin Echolocation
Dolphin
Echolocation
Echolocation is a technique used by some animals to detect other
animals, food and obstacles.
As implied by its name, this technique uses the echo, produced by a sound emitted by
the animals with this capability, to locate such objects.
Dolphins and some whales, besides some other animals, like bats, have
this ability.
The sound travels in the form of waves and when it is bounced back by
solid objects either in water or air, it is then detected by the dolphin. This bouncing is called “echo” and it
is the same as the voice echo we hear in caves, but at a much precise level.
Animals with echolocation ability, are capable to detect this echo
when is deflected back by a solid object.
In the case of dolphins, they emit a a beam of clicking sounds forward in the
direction fo their head and receive the echo from this sounds in the lower jaw.
This sophisticated system can calculate the distance where an object
is located because of the time taken by the echo to return to the dolphin. As sounds can travel quite a distance
in the water, dolphins are capable to detect dangers or food which is even out of sight.
This technique is used by humans in radars or sonars where some kind of wave is
emitted and the bounced back wave is detected and processed.
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Dolphin Echolocation. Dolphins make a sound that travels quickly through water.
The sound is bounced back and the information decoded in the Dolphin Melon.
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