Certainly! Here are 50 mind-blowing facts about monkeys:

1. Monkeys belong to the order Primates, which also includes humans, apes, and prosimians.
2. There are over 260 different species of monkeys.
3. Monkeys are divided into two main categories: Old World monkeys and New World monkeys.
4. Old World monkeys are found in Africa and Asia, while New World monkeys are found in Central and South America.
5. The smallest monkey species is the pygmy marmoset, weighing only about 3.5 ounces (100 grams).
6. The largest monkey species is the mandrill, known for its colorful face and rump.
7. Capuchin monkeys are known for using tools, such as using sticks to extract insects from tree bark.
8. Howler monkeys are known for their loud vocalizations, which can be heard up to 3 miles (5 km) away.
9. Spider monkeys have long, prehensile tails that they use like an extra limb to swing from trees.
10. The vervet monkey is known for its complex vocalizations, with different calls signaling various threats.
11. Monkeys have opposable thumbs and are capable of using tools for various purposes.
12. Some monkeys, like the Japanese macaque, have been observed bathing in hot springs to stay warm in cold temperatures.
13. The Proboscis monkey has a large, bulbous nose that grows larger as the monkey matures.
14. Monkeys have a highly developed sense of smell, which they use for communication and finding food.
15. The word “monkey” is believed to come from the Middle Low German word “moneke,” meaning “little man.”
16. Monkeys are social animals and live in groups called troops.
17. The Golden lion tamarin is one of the rarest monkeys, and it is endangered due to habitat loss.
18. Monkeys communicate through vocalizations, facial expressions, and body language.
19. Some species of monkeys, like the squirrel monkey, are known for their excellent agility in trees.
20. Monkeys are omnivores, and their diet includes fruits, leaves, insects, and small animals.
21. The howler monkey’s diet is mainly composed of leaves, making them folivores.
22. Monkeys have a specialized stomach compartment called the sacculated stomach, aiding in digestion.
23. Monkeys have a wide range of lifespans, with some species living up to 40 years in captivity.
24. The Barbary macaque is the only monkey species that is found in Europe, specifically in Gibraltar.
25. Some species of monkeys, like the capuchin, have been trained as service animals to assist people with disabilities.
26. Monkeys are excellent jumpers, and some species can leap up to 20 feet (6 meters) in a single jump.
27. The silvered leaf monkey is known for its striking appearance, with silver-gray fur and an orange crown.
28. In Hindu mythology, the monkey god Hanuman is a symbol of strength, devotion, and loyalty.
29. Monkeys have individual fingerprints, similar to humans, and can be used for identification.
30. Some monkeys, like the mandrill, have brightly colored faces that serve as a form of communication and expression.
31. Monkeys have well-developed brains, and their intelligence has been studied in various cognitive experiments.
32. The slow loris is a nocturnal primate known for its slow movements and toxic bite.
33. Monkeys have a grooming behavior that helps strengthen social bonds within a group.
34. The Gelada baboon is the only baboon species that primarily grazes on grass rather than foraging for fruits.
35. Some monkeys, like the tarsier, have large eyes adapted for excellent night vision.
36. Monkeys have a highly flexible shoulder joint, allowing them to rotate their arms 180 degrees.
37. The Colobus monkey is easily recognizable by its long, flowing white tail and distinctive black and white fur pattern.
38. Monkeys have a gestation period of about 5 to 7 months, depending on the species.
39. The term “monkey business” is often used colloquially to describe mischief or playful behavior.
40. The Hamadryas baboon is known for its complex social structure, consisting of one-male units.
41. Monkeys are known to use vocal mimicry to imitate other animals and communicate with their group.
42. The Mandrill has the most colorful face of any primate, with hues of blue, red, and purple.
43. Some monkeys, like the Proboscis monkey, are excellent swimmers and are known to dive into rivers to escape predators.
44. Monkeys have a keen sense of balance, allowing them to move swiftly and gracefully through trees.
45. The Rhesus monkey has been extensively studied in medical research and has contributed to numerous scientific advancements.
46. Monkeys in captivity may suffer from stress and behavioral issues due to the lack of a natural environment.
47. Some monkeys, like the white-faced capuchin, have been observed using leaves as makeshift umbrellas during rain.
48. Monkeys are known to use facial expressions, such as bared teeth, to communicate aggression or submission.
49. Monkeys have a wide range of vocalizations, from screams and barks to coos and grunts.
50. Monkeys play a crucial role in maintaining the balance of ecosystems by dispersing seeds and controlling insect populations.