NestWatch: Words about Birds

2. Type of avian grooming where feathers are pulled/nibbled to remove ecoparasistes and keep feathers waterproof
3. To sit on and keep warm (v)
5. Feeding on insects
10. Active at twilight, dawn, and dusk
13. Young bird after hatching and before leaving nest
16. To emerge from an egg
17. To settle down for rest or sleep (v)
18. A hole or opening in a tree trunk or limb
19. Process by which birds keep eggs at the proper temperature to ensure embryonic development
22. Relating to, occurring, or active at night
24. Young bird that has left its nest

1. Regular, extensive, seasonal movement of birds between breeding and winter regions
2. To break though the shell of the egg until hatched (v)
4. Feeding on seeds or grains
6. Living or growing on land
7. Total number of eggs laid by female bird in one nest attempt
8. A standing dead tree, vital for cavity-nesting birds
9. Sudden, large movement of individuals into an area where they are uncommon
10. The storage of food items
11. Young are capable of high degree of independent activity immediately after hatching
12. A group of males that gather to engage in courtship displays
14. Place where a plant or animal normally lives and grows
15. Young bird that has recently fledged and has not attained full adult plumage
20. Flock of unrelated young bird brought together for protection often guarded by single parent
21. Birds at hatching that are completely dependent on parents
23. Mass of undigested materials (fur, bones, feathers) regurgitated by predatory birds
24. Act of leaving the nest after reaching a stage of maturity
25. Of, relating to, occurring, or active in the day