Birds

Birds

1. Birds are endothermic.

2. Requires high levels of energy.

3. Certain species of birds cannot fly.

4. Birds are found in all habitats.

5. The biggest bird is the ostrich.

6. The smallest is the bee hummingbird.

7. Birds tail feathers are used for steering.

8. There are more than 10,400 unique bird species.

9. The chest muscles of birds are highly develop, as they are responsible for wing flapping.

10. The feathers of a wing are flexible.

11. The types of bird flight depend on the wings.

12. Birds evolved along with the dinosaurs.

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