The animals emit a sound wave that bounces off an object and returns ... the inner ear of three specimens of the now extinct dolphin genus Parapontoporia from the collections of the San Diego ...

To understand the impacts on dolphins, his team monitored the response of pods off the coast of California as sonar devices ...

However, the sound waves used are within normal hearing range ... submarines and shoals of fish. Bats and dolphins use a similar method called 'echolocation' to detect their surroundings and ...

An example of a dolphin using sonar to detect a fish via echolocation. It is a method that is used to detect underwater objects or to map the sea floor. Sound waves are emitted from a ship or ...

Local officials put up warning signs and set up buoys that emit ultrasonic sound waves to ward off dolphins, as they rely on echolocation. The Coast Guard warns against approaching dolphins and to ...

The process is very similar to ultrasound imaging, however the sound waves used are within normal ... submarines and shoals of fish. Bats and dolphins use a similar method, called echolocation ...