Sydney Zoo - Did you know chimpanzees create a wadge when... | Facebook
Dr Alexander Georgiev on X: "#junkoff : Chimp balls double feature (#Kibale, Uganda, 2010). Huge relative to brain size! #SpermComp #chimpanzee http://t.co/iGjmtJvl5M" / X
Some Monkeys Have Blue Testicles—Here's Why
Dave Mustaine on X: "Spot the difference between this chimp and the men in Congress. http://t.co/Wd9z9uyVOe" / X
Chimpanzee showing his balls | A funny picture of a male chi… | Flickr
The Tenth Day of Christmas
A chimpanzee plays with a soccer ball in Germany's national colours to the joy of many spectators at Serengeti Park in Hodenhagen, Germany, 01 June 2010. Photo: PETER STEFFEN Stock Photo - Alamy