Explore the enchanting world of Pygmy Marmosets - The World's Smallest Monkeys !br br Discover why these adorable primates, measuring just 5-6 inches long, are often referred to as the world's smallest monkeys. br br We’ll dive into their lifespan, which averages 12-16 years, and discuss their unique care requirements for those considering them as pets. br br Are they legal to own? Find out the answer! Plus, stick around for an intriguing fact that showcases their remarkable agility and social behavior.