Its because fly is both a noun and a verb, so it can be done, and in this case a bird happens to be able to fly. But sadly, bird is a noun and not a verb, so you cannot bird.
1. They both fly 2. They both live on tree 3. They both have wings
A mocking bird.
A horse fly
The feather is a very important object -- Without it, a bird could not fly. The feather is also important to the policeman -- Just think Of all the traffic Of birds Walking across the street.
the same as i just said on what books has hansen written.
a bird that cant fly
no you cant fly unless your have bird or something
yes
you cant fly ? your not a bird? you dont have wings -_-
The ostrich is one.
ostrich,emu,rhea..........
Penguin
no it cant even fly
A penguin.
a penguin and a dodo bird. they cant fly Also an Ostrich!
The ostrich is a bird that cannot fly at all, let alone fly backwards. It is the largest bird in the world and relies on its strong legs to run at high speeds to escape predators.
Penguins are known as the flightless bird, but ostriches are other common examples.