Dolphin

 
 Dolphin are very intelligent mammals. It lives in the ocean. Dolphin them selves are unique. First, he is able to recognize him looking in a mirror. Different from other animal. Secondly, dolphins fall asleep with their eyes open. One of these habits make them more aware from the presence of predators that might threaten their lives.Their often have to remain vigilant because is it not the highest point in the food chain so that they have to cope wit the sometimes lack of sleep.

Dolphins usually can survive until the age of 55 - 60 years. Dolphin have a system that is used to communicate and recieve stimuli called the sonar system, This system can avoid objects that are in font of the dolphins. So they avoid collisions. This technology is then applied in submarine radar manufacturing.

Every childs dolphin are always near his mother, so his mother can protect from danger. Dolphin always maintain relationships with their children to grow bigger. Mother dolphin call their children with special whistles that they can recognize.

A dolphin can't sleep well under water. He can sink. Therefore, he was half asleep several ties a day. Dolphins eat squid and fish like grey mullet fish. Sometimes dolphins herd fish herd for easy capture. Dolphins find their ways by sending sounds in the water. If the sound hits an object, the sounds will be reflected, back an as echo, Sometimes.

Dolphins have many features. Therefore we as human are required to maintain and minimain it by minimizing the disposal of garbage on the sea.