Sounds which are made by dolphins play a special role in communication of these animals. In the habitat the dolphin, for example, can tell other individuals about set a trap, other danger or about the place where it is possible to regale on favourite food. The distance to which the animal transfers information is estimated in thousands of kilometers. The dolphin makes a set of sounds, some of them are similar even to beautiful singing.
Instruction
1. Most often dolphins make the sounds similar to peep or whistle. By means of whistle animalsof communicate with each other, call up cubs and accompany the games. Svista can be short and last several seconds. Frequency of such sounds can also change. For example, if the dolphin is in danger, then he publishes lingering and loud whistle.
2. One of the most interesting sounds made by dolphins is the so-called crash. The animal can represent the clicks, sounds reminding knock. If the frequency of clicks increases, then the unusual crash turns out. Scientists note that dolphins knock and crack most often during the games or meal.
3. The most unusual sound made by a dolphin is the shout reminding roar or shrill howl. Animals very seldom shout and do it generally at emergence of serious danger.
4. Scientists for many decades study dolphins. It is proved, for example, that dolphins can copy others sounds. So, if the animal throughout some time hears women's laughter, then for it it is possible to repeat it. The same way the dolphin can copy even a sound of the rushing motorcycle and noise at stadium.
5. Researchers try to learn language of dolphins, making special dictionaries, making entries of their voices. Thanks to special observations it was proved that dolphins of different types differ in own sets of melodies.
6. It is remarkable that dolphins make sounds not a mouth as it can seem at first sight. They do it a nape where it is located dykhat. Dolphins are very sociable and friendly, they with pleasure reproduce practically any sounds at the command of the trainers or trainers.