Welp. It was nice being the dominant species while it lasted.
#5. Orangutans Are Learning to Spearfish
In 2008, workers at an animal sanctuary on the island of Kaja in Borneo noticed the apes hanging from tree branches and attempting to spearfish with harpoons, just like the locals do. In other words, the orangutans saw us using weapons to cause harm to other species and quickly realized how powerful and awesome that makes you feel. Look at that majestic bastard up there. He even seems proficient, dangling precariously above water that we assume is full of deadly piranhas, steadying himself for a lethal strike of laser-like precision.