Birds

  Today we start studying birds. The main characteristics of birds are:

1. They are vertebrates.
2. They are oviparous, they are born from eggs.
3. They have a beak and feathers.
4. They breathe with lungs.
5. They can be carnivores (eat meat), herbivores (eat plants) or omnivores (eat both).
6. They have 2 wings to fly.