Bats use SONAR (Sound Navigation & Ranging).Sonar is a technique that uses sound propagation to navigate, communicate with or detect objects on or under the surface of the water, such as other vessels.
Ox bow lake is a U shaped lake formed when a meander of a river is cut off. This cut off meander creates a free standing water body called Ox bow lake. Resacas are ox bow lakes left by Rio Grande.
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