Tuesday, March 16, 2010
The dolphins have a system that is used to communicate and receive stimuli called sonar system, this system can avoid objects in front of the dolphin, so avoid the collision. This technology is then applied in the manufacture of submarine radar. The dolphins are mammals. They live in the sea and rivers around the world. Dolphins and whales are kerebat Irrawaddy Dolphin. There are more than 40 types of dolphins.
The dolphins live and work in groups called flocks. They often played together. A dolphin can not sleep well under water. He could drown. Therefore, he was half asleep some time in a day. Dolphins eat squid and fish such as fish gray mullet. Sometimes dolphins herd fish leads to easy arrest. The dolphins to find a way to send sound in water. If the sound of an object, the voice will be reflected back as echoes. Sometimes, the noise in the sea due to oil drilling can be confusing dolphin. They will have difficulty in sending and receiving messages.