No, they’re connected by fleshy pads to cushion their weight rather than a thinner web of skin which would stretch wide to catch water or air like a duck or bat. But there’s not a separation of skin except near the ends. They walk flatter than a cat but not quite as flat as a person, more like semi-tiptoe, as when you’re picking your way through a kid’s room and trying to minimize the pain from any Legos hiding in the carpet.