by wind, and they flap there wings, and they are light, so they get pushes in the air high enough.
i no for sure that egals fly the highest...
yes a bird can fly as high as a plane
Marshy birds, a great band!
It has a very good eye sight.It can fly at great heights.
It is not only birds that fly. Bats fly and they are not birds.
The Great Auk (Pinguinus impennis) was a flightlessbird, now extinct.
Sandhill Crane, Great Blue Huron
Birds have hollow bones to help them fly. Solid bones would add to much weight and make it impossible to fly. They have an inner crisscross structure to provide support.
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.
all birds fly xept penguins
There is no such thing as a dinosaur that flys. The difference between a pteradoctyl and a bird is: Birds have feathers and pteradoctyl's don't. The difference between a oviraptor and a bird is: Oviraptor have hands and birds have wings.
Birds fly, fish swim