These bat penises are so enormous, they can’t be used for penetrative sex, study finds

The shape and function of a penis is unique among some animals. Not every creature has one — birds, for example, simply eject sperm from their cloaca. But among male mammals, penises are widespread and quite useful for reproduction. If you need a refresher, the standard model of a penis is one that penetrates a female in order to spread biological material, continuing the cycle of life....

Originally posted on salon.com