Now invariably, you're probably thinking about what belongs to our own species, these very familiar structures, but the diversity that we see in sexual structures in the animal kingdom that has evolved in response to the multitude of factors surrounding reproduction is pretty mind-blowing.
Nu tænker i sikkert på kendetegnene ved vores egen art, disse yderst velkendte former, men forskelligheden, som vi ser i seksuelle former i dyreriget, der har udviklet sig i forhold til et væld af faktorer vedrørende formering, er temmelig ufattelig.