dolphin

dolphin not fish,they are marine mammals. they are warm-blooded.they are two kind, marine dolphin (32 spesies) and river dolphin (5 spesies). dolphin live in a group, in one group ussually have 20 until 100 dolphin. dolphin have many color in they body, example gray, white, or blue. they have hole in their head. they have ultrasonik, they use it to communication with other dolphin and to search way. they give birth in surface of sea, because they need many energy and they need many . when give birth, dolphin always together so they can save from predator. they can give fresh milk to their babies, they also keep in relationship with their babies. they eat planktons or small fish. we can know every dolphin, because they have many kinds fin. they can dive in deep ocean, but they cannot long dive. they are very smart, they can trained to high jump, play ball, or count numbering. they often use in circus or sea word. they very famous, helpfully and friendly. they can rescued drowning human by pushing them to surface.


by: shannon novia sungkar, i school in kalam kudus senior high school sukoharjo,indonesia grade 10. i'm very like dolphin because it is very cute and smart.