Dolphins facts

• Dolphins are mammals; this means that they nurse their babies with milk from the mothers.

• Dolphins can swim up to 260 m. below the surface of the ocean.

• Dolphins can stay up to 15 minutes under water, but they cannot breath under the water.

• Dolphins use a technique called echolocation to find food and navigate.

• Dolphins live in groups formed by 10 to 12 individuals.

• There are 36 different kinds of ocean dolphins and 5 species of river dolphins.

• The largest dolphin is the “killer whale” (also known as Orca).

• The most known dolphin is the “ bottlenose dolphin”.

• Dolphins are warm-blooded.

• Dolphins communicate through sounds and whistles.

• Dolphins eat fish and squid.

  Source : http://www.dolphins-world.com/Dolphin_Facts_for_Kids.html