Cause in the North it can get really cold and birds don't mostly survive in the cold so they fly south were it's warmer or hotter.
When the Birds Fly South was created in 1945.
Birds Fly South was created in 2001.
When the Birds Fly South has 223 pages.
Birds do not fly all the way to the southern hemisphere, they fly to the equator.
yes
Siberian crane
When birds fly South for the winter it is called migration.
The main reason that birds fly south in the winter is because they can't stay in a cold place so they fly south to a warmer place during the winter.
Monarch Butterflies. They fly south for the winter like birds do.
because there always going south
winnter
migration