Across
- 2. Something that the nest does for the egg
- 3. The main nest builder
- 8. Something that baby birds are born without
- 9. A type of nest consisted of piles of soft stuff
- 10. A type of nest that is shaped like its name
- 12. The topic of the letter study
- 13. An item that nests can be built of
Down
- 1. Something cup nests are often built in
- 4. The item that the nests keep safe
- 5. A type of nest that sticks to walls and ceilings
- 6. Lives in nests
- 7. An adjective used to describe the type of material adherent nests are made from
- 9. The time most people think birds are born
- 11. A type of nest found high in the air
- 14. A bird that can lay 50 eggs