Cuteness affects infant-caregiver relationships and brain activity. Features like big heads and soft skin trigger infant-like emotions
Gorillas can walk on two legs using knuckle-walking. Chimpanzees can walk on two legs for over half a mile. Gibbons walk more on two legs than any other non-human primate
Baboons are primates from genus Papio, belonging to Old World monkeys. Six species exist, ranging from Kinda (50 cm) to Chacma (120 cm). Baboons have existed for at least two million years
Brown or grey monkey measuring 47-53 cm in length. Weighs 5.3-7.7 kg with 20.7-22.9 cm tail. Has pink face without fur
Nails are protective plates at the tips of primate digits. Made of alpha-keratin protein, similar to claws in other animals. Consists of nail plate, matrix, nail bed, and surrounding grooves. Nail matrix produces cells that harden from root to plate
Chimpanzees are considered most intelligent primates but still lag behind humans. Orangutans demonstrate advanced tool use and environmental understanding. Great apes like chimpanzees and orangutans show human-like problem-solving abilities