Dolphins belong to a big spieces called the Cettacea i.e. whales.
Even if they live in water they breath air.
There are 30 kinds of Dolphins and spinner is the most famous.
The biggest Dolhin called killer whale.
Dolphins are very socialable animals and live in groups.
Sometimes just with one sex but also a mix between females, males and kids(young Dolphins).
All the time they help eachother out with hunting, conception and when they are ill.
Cooperation is very importent so they can live within the group.
Dolphins can be up to 50 years old.
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