What are the similarities of a crow and partridge?

Wow, what a strange question! I really can't think of any reason why you would want to know this, but here goes.

1 Both are birds (obviously)
2 Both are regularly found on the ground
3 Both are regularly found in groups
4 Both are resident birds (they do not normally migrate)
5 Both are regularly found on farmland

Thats it, I really can't think of any more!
This has got to be the craziest question ever!
Regards