Mammals. They have four limbs. Mammals They are covered with fur or hair.

Mammals

Mammals• They have four limbs.

Mammals• They are covered with fur or hair.

Mammals• They breathe with their lungs.

Mammals• They give birth to live young. They

are viviparous.

Mammals

• Whales and dolphins are also mammals.

Birds

Birds• They have two legs.

Vertebrates: Birds• They have two wings.

Vertebrates: Birds• They have a beak.

Birds• They are covered with feathers.

BirdsThey breathe with their lungs.

Birds• They lay eggs on land. They are

oviparous.

Complete about mammals• They have four limbs.• They are covered with hair.• They breathe with their lungs.• They give birth to live young.They are viviparous.

Complete about birds• They have two legs.• They have two wings.• They have a beak.• They are covered with feathers.• They breathe with their lungs.• They lay eggs on land.