Dolphins sleep with one eye open

 Dolphins sleep with one eye open

 Dolphins are aquatic creatures.  It is a very beautiful and sociable aquatic animal.  There are about 21 species of dolphins on earth.  About 6 of these species are found in the sea.  Dolphins are also found in the river in addition to the sea.  According to biologists, dolphins existed 20 million years ago.  Its memory is sharper than other sea creatures.  You may be surprised to learn that a dolphin is not a fish but a mammal.  It does not lay eggs but gives birth to cubs.  Their ability to hear is ten times greater than that of humans.  Yes, but they do not have the ability to smell and they do not experience any smell or odor.  So far  The largest dolphin found weighed  [9000 kg] and feet 32 the smallest dolphin weighed 4 feet [40 kg].  Dolphins never chew their food, they swallow food directly.  His skin is very soft, he gets injured even when he is beaten normally.  He always sleeps with one eye open and half of his brain never sleeps, because if his brain is closed, he can drown and die.  Their swimming capacity is 36 kilometers per hour.  Male dolphins are called bulls and female dolphins are called cows.  The gestation period of female dolphins is ten months.  She gives birth to one cub at a time.  Surprise The fact is that they never drink seawater, because seawater makes them sick.  They tumble their carts by absorbing the water in the solid food.  Dolphins can jump up to 20 feet above sea level.  When the dolphin no other Dr. Leaf If you want to call itct Calling him by playing.  The funny thing is that he can recognize himself by looking in the mirror.  She cannot breathe underwater.  This causes it to come to the surface of the water to breathe.  Dolphins can stay in the water for a maximum of 10 to 15 minutes.  It feeds on sea fish and other small sea creatures.  They always live in groups at sea.  His group has 10 to 12 members.  Dolphins are also found in the Ganges River in India but their numbers are declining significantly due to pollution in the Ganges River.  The lifespan of a dolphin is usually fifteen years, although some dolphins live more than fifty years.