You know those days when you log on to Twitter and your feed is full of animal genitalia? If not, you're seriously missing out. Such was the case yesterday after biologist Anne Hillborn and her colleagues at Virginia Tech challenged the world to what will forever be known as a junk-off. And the world answered.
It's worth mentioning that Hillborn is the very same human who once witnessed a hilarious hyena sex fail and storified the entire thing for our viewing pleasure.
Header image: MIKI Yoshihito
Discoveries
Animal Behaviour
Animal Behaviour
