Animals have some wacky ways of making babies. Some just go off and do it by themselves, while others follow elaborate courtship rituals involving food, bodily contortions--even outright murder.
Animal sex isn't always about reproduction, though! There is plenty of sexual activity for pleasure's sake as well.
How much do you know about animal sexuality? Take this quiz and see how closely you have been paying attention to the other 1.4 million species messing around out there...