![]() Others, such as baboons, readily learn to use sticks to obtain food. Some, especially the capuchins (genus Cebus), spontaneously use objects as tools (e.g., stones to crack nuts). Most are good at solving complex problems and learning from experience, but they do not quite reach the cognitive levels of great apes. Brain development, combined with the freeing of the hands and well-developed vision, allows them a great latitude of activity. Monkeys have large brains and are known for their inquisitiveness and intelligence. They almost never walk on two legs (bipedally) and can stand erect for only short periods, if at all. On the ground, monkeys walk with the entire sole of the foot touching the ground but with the palm of the hand raised. Commonly, the digits have flattened nails, but the marmosets have claws on all digits except the big toe, which bears a nail. Their hands and feet are both used for grasping and typically have five digits, the thumb and big toe being divergent from the others. Except for a few Old World forms, monkeys are predominantly arboreal, leaping from limb to limb in their travels among the trees. Monkeys are capable of sitting upright, and, consequently, their hands are freed for many manipulative tasks. All but the durukuli of tropical Central and South America are active during the day, moving frequently in bands as they search for vegetation, birds’ eggs, smaller animals, and insects to eat. The vast majority of species live in tropical forests, where they move on all four limbs. Most monkeys have a short, relatively flat face without great prominence of the muzzle, although baboons and mandrills are notable exceptions. The presence of a tail (even if only a tiny nub), along with their narrow-chested bodies and other features of the skeleton, distinguishes monkeys from apes. Monkey, in general, any of nearly 200 species of tailed primate, with the exception of lemurs, tarsiers, and lorises. SpaceNext50 Britannica presents SpaceNext50, From the race to the Moon to space stewardship, we explore a wide range of subjects that feed our curiosity about space!.Learn about the major environmental problems facing our planet and what can be done about them! Saving Earth Britannica Presents Earth’s To-Do List for the 21st Century.Britannica Beyond We’ve created a new place where questions are at the center of learning.100 Women Britannica celebrates the centennial of the Nineteenth Amendment, highlighting suffragists and history-making politicians.COVID-19 Portal While this global health crisis continues to evolve, it can be useful to look to past pandemics to better understand how to respond today. ![]() Student Portal Britannica is the ultimate student resource for key school subjects like history, government, literature, and more.From tech to household and wellness products. This Time in History In these videos, find out what happened this month (or any month!) in history.#WTFact Videos In #WTFact Britannica shares some of the most bizarre facts we can find.Demystified Videos In Demystified, Britannica has all the answers to your burning questions.Britannica Explains In these videos, Britannica explains a variety of topics and answers frequently asked questions.Britannica Classics Check out these retro videos from Encyclopedia Britannica’s archives.
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