1. The shape of the toucan’s beak, or , enables it to pick berries easily.

2. A feather’s quill is part of its hollow .

3. Because their wings are , birds can fold the wings close to their bodies or spread and flap them to fly.

4. The coloring and patterns on some birds’ eggs them so they cannot easily be seen.

5. John James Audubon was an known for his detailed paintings of birds.

6. Macaws use their strong and powerful beaks to crack open nuts.

7. The archaeopteryx was an of birds and a descendant of dinosaurs.

8. The now passenger pigeon was hunted out of existence.

9. One characteristic that distinguishes birds from other species is their covering of feathers.

10. Most birds fly south in the fall and north in the spring.

11. Birds and insects are that spread pollen and thus help plants reproduce.

12. Animals, wind, and water are all means of seed , or the scattering of seeds over an area.

13. Fertilizers and pesticides can streams and rivers, making the water impure and harmful to animals.

14. Owls are that hunt for food at night.

15. If you have ever heard a parrot speak, you know they can be trained to human speech.