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they just make sounds....
making clicking and clacking sounds because other dolphins come
Dolphins use a range of "clicks" to communicate with each other. They make these "clicking" sounds using their mouths.
Bottle-nose dolphins are very intelligent, very sociable, and very playful. They like to hunt for small fish to eat, but they also like to swim as a group, and sometimes they leap up out of the water just for fun. They also have a language with which they communicate, using special sounds (clicking, whistling). In captivity (at theme parks and aquariums), they learn quickly: they can be taught to perform, or to do certain tricks.
The Amazon river dolphin, or pink river dolphin, Inia geoffrensis, does make sounds and calls.
clicking noises . Dolphins use echolocation for hunting and navigating. The clicking sounds they make travel through the water hitting objects up to 200 metres in front and echoing back to the dolphin, which allows them to work out the size, shape, speed, distance as well as the direction of their prey.
A Geiger counter is a device that detects radiation by producing clicking sounds when radiation is present. These clicking sounds are generated as the radiation interacts with the detector inside the Geiger counter.
They send out clicking sounds to check their location and communicate with each other. What happens is that the vibrations from the click bounces of objects in the sea such as other fish or the seabed etc and they pick up the vibrations and are able to translate it. This is known as echolocation :) hope this helps
Like a bat, dolphins use echolocation to navigate and hunt, bouncing high-pitched sounds off of objects, and listening for the echoes.
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Some African languages that incorporate clicking sounds are Xhosa, Zulu, and !X.
they have long mauth