Question: what is the difference between humans and other primates?
Answer: Great apes (humans, chimps, bonobos, gorillas and orangutans) generally have larger brains, larger bodies, and no tail. ... There are many different species of monkeys, and what are known as 'lesser apes'. Lesser apes (gibbons and siamangs) are usually smaller in stature, with thin arms, and a slightly smaller brain.