70K views · 4.7K reactions | Capuchin Monkey Doctor Boo gives his pet human a check up and exam! He loves using his doctor tools on his pet human. He's such a smart monkey! | MonkeyBoo | Facebook

259K views · 17K reactions | Capuchin Monkey Boo takes a nap with his pet human! He cuddles and makes cute monkey noises. He's so sweet! | MonkeyBoo | Facebook

On a remote island off Panama, a young capuchin monkey nicknamed Joker may have sparked one of the strangest behavioral trends primatologists have ever seen: kidnapping baby howler monkeys and carrying them around like prized possessions. What started as a one-off event quickly became a disturbing fad among other young males—with deadly consequences. Learn more: https://on.natgeo.com/4kmyIRw | National Geographic