November
When birds fly South for the winter it is called migration.
Migration
migration
migration
When birds fly south for winter each year, this is known as "migration." The birds fly south to live in a warmer climate, and in the spring they fly north again when the weather changes.
Migration of the birds occurs during autumn. The birds fly south prior to winter.
They go to the south or the north its called migration its when animals move from one place to another if that place gets to cold.
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.
Birds Fly South was created in 2001.