You can. The only catch is that since no one has done it yet, we don't know how to. But it is very possible.
homologus
So that they will have streamlined body shape to enable them to fly with more ease... I think...well... an obvious answer is... so they can fly... but I suppose most people already know that!
It makes a screech
CAWWWRAWWWKRAAAAAAWWWWWRCAW!!