In Thailand, pigtailed macaques are trained to harvest coconuts. Males can harvest up to 1,600 coconuts in one day, while their human overlords can only harvest about 80.
2. In 2007, a gorilla named Bokito escaped from his exhibit, grabbed and mauled a nearby woman, and then attacked a restaurant. It was later revealed the reason behind the rampage was a woman who made eye contact and smiled at him several times a week, which zookeepers told her not to do.
3. Chimpanzees who cannot swim, have drowned in zoo moats trying to save others and given the chance to get food by pulling a chain that would also deliver an electric shock to a companion, Rhesus monkeys will starve themselves for several days.
4. When introducing Golf to India, the British were angered by monkeys running onto the course and playing with their golf balls. When all attempts to stop the monkeys failed, they decided the game needed to adapt. To do so they introduced a new rule: "Play the ball where the monkey drops it."
5. There is an extinct genus of ape named Gigantopithecus blacki, which stood at nearly 3 meters (nearly 10 feet tall), weighed as much as 540 kg and actually lived alongside humans for tens of thousands of years.
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Researchers working with Kanzi (a bonobo who communicates using a keypad with symbols) claim his favorite movies are ones that blur the boundaries between humans and apes such as Planet of the Apes and Quest for Fire.
7. Over a dozen employees charged with caring for "Koko" the gorilla have reported that she is not adequately cared for and suffers significant neglect.
8. A chimp named Nim Chimpsky used to express via sign language that he wanted to smoke marijuana.
9. A baboon gang roamed around Cape Town, led by Fred the baboon, and were pursued for 3 years by police after they became notorious for raiding cars, assaulting and interfering with tourists.
10. Japanese macaques wash their food in saltwater before they eat in order to both clean it and enhance the taste. They also make snowballs for fun.
Orangutans can learn sign language and even adapt it to reflect their understanding of the world better. One orangutan named Chantek even referred to an orangutan he'd never met before as an “orange dog”, and for his contact lens solution as “eye-drink.”
12. Humans are not the only primate that curse. Chimps do it to. In project Washoe, chimps being taught sign language internalized taboos around the toilet, with the sign “dirty” representing something shameful. They started using that sign as an admonition or to express anger, like a swear word.
13. Mike, the lowest ranking member of a chimp group became the alpha male of the community overnight. He stole empty kerosene can from the researcher’s camp, and banged them to scare the other chimps.
14. There's an island called Monkey Island off the coast of Puerto Rico, where the monkeys naturally have Herpes B, which can kill humans. So the first rule of Monkey Island is "don't get peed on".
15. NBC had a show named Mr. Smith with the entire premise being an orangutan being a political advisor. It was canceled after thirteen episodes were aired.
16Male Western lowland gorillas
Heart disease is the leading cause of death in male Western lowland gorillas in North American Zoos. To combat this Cleveland Metropark Zoo doubled the gorilla's leafy green intake which lead to a 65 pound weight loss in the gorillas.
17. Washoe the chimp (the first non-human who was taught sign language) became self-aware while staring into a mirror. She also appeared to experience an identity crisis when she was first introduced to other chimpanzees, seeming shocked to learn that she was not human.
18. While chimpanzees can be violent, mankind's closest relative --the bonobo-- has never once been observed killing another member of the same species.
19. Capuchin monkeys reject fruit from researchers if they consider it inferior to the fruit being received by its peers.
20. There was a gorilla named Michael who learned sign language and once described what it was like to watch his mother be killed by poachers.
A wild monkey in Thailand was nicknamed Uncle Fat after he gorged himself on junk food and soda left behind by tourists and became morbidly obese. He had to be put on a strict diet. At 26Kg, he was 3 times heavier than the average macaque.
22. An orangutan named Chantek was raised as a human, went to college, and eventually referred to himself as an "orangutan person"
23. Zookeepers in Spain installed a TV set in their chimp Gina's cage and then taught her how to use the remote. While channel surfing, Gina discovered the porn station, to which she became addicted.
24. When the dominant male in a troop of gorillas dies or is killed, then the troop will go their separate ways and find new groups to be a part of. However, if a younger male challenges the leader and wins then he becomes the new leader and the troop stays intact.
25. Monkeys display metacognitive abilities, which means that they are aware of their own thought process and knowledge, and seek to actively control it.