Across
- 4. material from animals body
- 8. animal seeking for protection
- 10. animals crowd together
- 11. bees construct
- 14. wasp queens secret this for construction
- 15. place of refuge for birds
- 16. burrowing is unique to
Down
- 1. structure build by animals
- 2. webs are construction of
- 3. making a structure
- 5. animals seek shelter of trees
- 6. best dam builders
- 7. produces mounds
- 9. burrow the sand in summer to lower the body temperatre
- 12. animals does this to avoid getting smothered
- 13. seek shady places when ruminating