Adult male silverback gorillas can measure up to 2 meters tall and weigh up to 400lbs. They’re the world’s largest primates and are not to be messed with. Luckily for the zookeepers at Berlin Zoo, the gorilla that decides to prank them here is only playing around and isn’t actually angry with them! He looks … Continue reading Cheeky Gorilla Pranks Zookeepers!