I would love to be a dolphin... social, happy, family oriented, funny and hey I think it would be pretty cool to have a prehensile penis....
I wouldn't mind coming back as a some sort of large cat, like a lion, tiger... female of that species... They are predators, strong, beautiful and deadly... That would be pretty cool too..
Get this, a male kangaroo gets to have sex with every single female in his territory. No if's and's or buts. He just gets to have sex with them.
Of course, he has to constantly fight other male kanga's to keep his place among the group, so his life is obviously shortened.
I'd sacrifice it though... hell, not something I'd take too much consideration into.
If I didn't get my first pick though, I'd either choose a gorilla or a dolphin. Apart from humans, those are the only animals on earth that have sex for the pleasure of it.
Definitely a cat of some sort. A pampered house cat would be nice, it would be fun to be on the receiving end of the attention. Can you tell I have a very pampered cat running my household?