Dolphins are members of the whale family.
Dolphins are mammals.
Dolphins cannot breathe under water.
Dolphins breathe through a blow hole.
Dolphins use echolocation to find their way under water.
Dolphins live in the ocean.
Dolphins talk to each other by using clicks, barks, and whistles.
Dolphins have teeth.
There are more than 30 types of dolphins.
Dolphin tails are called flukes.
Dolphins move their tails up and down to move through the water.
Most dolphins eat fish and squid.