quote:Bat's wings connect to their 'hands' and 'feet', so they don't have distinguishable 'legs' above their feet. Their front 'feet' of course being a single claw.
Incorrect.
If you look at a bat's wings, you will see that it is simply a webbed hand. There are bones in the wing and they are equivalent to the fingers of your hand. The webbing extends from the smallest phalange, down the side of the body. The claw on the wing is actually the thumb of the hand.