Go for it. It's a great idea. As for birds looking right, I'd say that divers are the hardest. Stubby legs that sit way back on the body. I've seen some HORRIBLE diver mounts and some great ones. I think puting them in the standing pose is the hardest to get right.
Hey, did you grab the blind bag with the shells when we left the truck?
Safetys, use them: If you can see red, you can get dead!