Migration

2. [4] Animals migrate when it's too difficult to find this in cold winters
4. [7] Animals might feel changes in this to know when to migrate
7. [5] A large fish, like the Whale _____, that migrates
9. [9] A group of animals leaving their home to go to another place for a period of time
10. [5] A large marine mammal, like a Humpback, that migrates
11. [6] Monarch butterflies migrate here in North America
13. [6] The season when animals start migrating to avoid the cold
17. [6] A migratory reptile with a hard shell
18. [9] A large migratory seabird
20. [4] An insect, like the Bogong, known for migrating
21. [

1. [4] The place an animal leaves during migration
3. [5] Birds that fly in a V formation to save energy
5. [9] The Monarch or Wanderer is a type of migratory insect
6. [6] Canadian geese migrate all the way from this country
8. [7] Creatures that move from one place to another seasonally
10. [7] The cold season when finding food becomes hard for some animals
12. [8] Warmer ____ are easier for animals to raise their young
14. [6] A migratory marine mammal sometimes called a "sea cow"
15. [4] Animals try to find somewhere ____ with a good food supply for winter
16. [4] The Red ____ of Christmas Island is known for migration
19. [3] Animals might notice when there is less of this in the sky