What's the smallest bird in the word Hummingbirds are the smallest birds in the world.One kind of
hummingbird is only two inches long.lt is also as light as a penny
A hummingbird is very fast.It can fly straight up and down.It can even fIy backwards
The wings of a hummingbird move very quickly.You can't see them move.But you can hear them.The wings make a humming sound.That is why we call the little bird a hummingbird.
1.A hummingbird is only **** ****long
2.We can only **** the wings sound but can't **** ****them move.
3.It can fly straight up and ******and also can fly