birds can fly because they have such small, light bones in their wings.
It is not only birds that fly. Bats fly and they are not birds.
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.
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The birds that can fly because it is easier for them to find food.
all birds fly xept penguins
When the Birds Fly South was created in 1945.
Birds Fly South was created in 2001.
Birds have feathers, which serve multiple functions such as insulation, waterproofing, and aiding in flight. Feathers are a unique feature of birds that help them to maintain body temperature, display colorful patterns during courtship, and enable them to fly.
Birds do not fly all the way to the southern hemisphere, they fly to the equator.
maybe but how birds fly birds fly by using there wings becuse feather make the birds fly bye love u by your boyfreaind or girlfreaind
birds fly in the troposphere which is the lowest layer of the atmosphere.