winnter
When birds fly South for the winter it is called migration.
migration
migration
Migration
Migration of the birds occurs during autumn. The birds fly south prior to winter.
yes it is called migration that is when a animal goes somewhere to be safe from the cold
Migration, birds fly south at different times of the year this depends on how far they live and when their food supply is dissapearing.
Migration is when animals move to diffrent places to lay eggs, in the winter birds fly south because it's warmer there than it is here,etc.
The birds flew South for their migration in the Winter.
When the Birds Fly South was created in 1945.
Birds Fly South was created in 2001.
When the Birds Fly South has 223 pages.