9,600 kilomiters and 8,000 miles
yes,but other pet birds don't fly far
More Than 1,000 Birds Fly To Migrate Across Lands,And Seas
Because if they didn't fly they would have to walk Because its too far to walk when migrating.
yes as far asi know but not all can fly
It is not only birds that fly. Bats fly and they are not birds.
migratory birds have strong wing muscles as they have to fly long long distances and it requires a lot of power to fly very far.
Migration, birds fly south at different times of the year this depends on how far they live and when their food supply is dissapearing.
the plane....
You probably mean a number of species of birds. Chickens can fly, but not far. Plus any pet bird with its wing feathers clipped will not fly too far either. Another answer is Time.
Most birds can fly. Not all.
To say that birds use wings and feathers to fly, so all birds can fly, would be false. Not all birds can fly. An ostrich is an example of a bird that cannot fly.
The birds that can fly because it is easier for them to find food.