They drink milk from their mothers. Baby whales grow big very quickly. Whales come to the surface regularly to breathe air. They breathe through a blowhole in the top of their heads. When they breathe out, blows of vapor shoots into the air.
Whales also leap out of the water.
Like Porpoise, Dolphins are toothed whales. They like to swim together in groups called schools. White whales are also known as beluga whales. They are all white. The narwhal has only one tooth which looks like a unicorn's horn.