the hummingbird can go up to 30 mph, and 75 wing beats per second
Hummingbirds fly so fast because their wind speed turns to be 50 miles per hour per flap
To escape a larger more aggressive predator..:)
Hummingbirds have wings so they can fly.
100 mph
humming birds fly so fast because they are so fast
one million miles per sec
Ostriches and emus do not fly and run quite fast.
It is not only birds that fly. Bats fly and they are not birds.
100mph. It can sometimes even outfly birds such as the swift when hunting.
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.
Blue tits are quite slow birds; their average speed is about 25-34km/h.
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