you see,
when they devour too many insects the extra weight causes them to experience vertigo like symptoms which effects their flight patterns.
also cause their FAT
no they cant fly because it weighs down their wings
Birds fly in the air by pushing their chest muscles and moving their wings up and down.
it lays eggs but the bird fly auroral the bird comes down
It is not only birds that fly. Bats fly and they are not birds.
The only bird that can fly backwards is the humming bird'
Yes. Many birds have been known to fly down to people and eat their heads.
Because they fly, there bones need to be hollow to cut down on there weight.
All birds fly only right-side-up. In order to create lift, they must flap their wings down, and they are specially shaped for this.
When birds fly they look down upon all of the earth-bound creatures, briefly feel pity for them, and then smirk as they drop excrement onto their heads.
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.