Yep. You read that right. And the picture confirms it.
From the album: Timeline Photos
By I fucking love science
Across the animal kingdom, males can be brightly colored to attract females. Vervet monkeys also fall into this category, but only with their scrotums which are bright blue. However, this coloring comes with a catch: if a male falls in social standing, the color begins to fade. Thus, the females can easily identify the most dominant males and choose their mate.
More info: http://bit.ly/18KUck3
Photo by: Gijs Joost Brouwer