They can't fly with one.
Birds wings are just like humans arms. And you don't see humans having 4 arms. Birds have two wings.
Two, all birds have two wings.
Two Birds with the Wings of One was created in 2006.
Birds have two legs with wings and bills.
Birds have two legs and two wings.
No, birds and rats are two different species.
so they can fly and get food easier. Not all birds have wings. The moa-a flightless, more than likely bird from New Zealand-is well-known for having no wings.
Yes they do.
two birds
Birds have two wings, one on either side of their body.
Since all existing birds, unless injured, each have two wings and one beak, the ratio of wings to beaks in a flock would be 2:1.
Convergent evolution