They have fur or hair.
The elephants are...
They have beak and two wings.
The dolphins are...
Most of them can fly.
Some of them have no legs.
Their babies drink milk.
The frogs are...
They have feathers.
They have scales and a dry skin.
They breathe with gills when young, but late develop lungs.
They have a moist skin.
They live in water.
The penguins are...
They born from their mother's womb.
They breathe with gills.
The sharks are...
They have two legs.
They have scales and fins.
The crocodiles are...
