Dolphins name originally came from Greek just like many other species. The Greek name for dolphins is " Delphis" which is now known as dolphins. There are many other names for dolphins some of them mean ocean and river dolphins and some stand for oceanic dolphins. Some species of the dolphins are Bottle nose, Long- Beaked, Southern- Right dolphins, and many more.
Modern Dolphins have two small rod shaped pelvic bones. They have a streamlined fusiform which lets them swim fast. The tail is called Fluke it provides propulsion. The Dorsal Fin which is used commonly is used for stability when it is swimming.
Dolphins have an acute eyesight both in and out of water. Their ears however are really small but there hearing is great. Even tough the dolphins are cool they don't have any sense of smell. The usually find their food by communicating with other dolphins. Dolphins mainly feed on squid and fish.
Dolphins are mainly known as the "Most intelligent species on Earth" They are very social and friendly they usually love to play. Some games that they play are dolphin fights and they love to play with seaweed. However the dolphins are in threat more than 100's of dolphins die each year and it is because of humans.
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