12/7/2023 0 Comments Chimpanzee baby red colobus monkeyUnattached adult males, called bachelors, sometimes form their own group. Within huge troops, monkeys form smaller groups, called harems, which include an adult male, several adult females, and their offspring. A troop can number from a few individuals to a thousand or more. Groups of monkeys, called troops, travel together by day to find food. Colobus monkeys and langurs have chambered stomachs that carry bacteria that help ferment and digest leaves. Leaves are the food of choice for some kinds of monkeys. Baboons are also known to eat meat when they can catch it, including young antelope, rabbits, and birds like guinea fowl. Old World monkeys fill up their large cheek pouches with fruits, leaves, and insects as they forage during the day, stopping to chew and swallow their food when they find a safe spot to rest. Prehensile tails come in handy for holding on while a monkey collects food: flowers, fruits, nuts, leaves, seeds, insects, birds’ eggs, spiders, and small mammals. They communicate with one another through scents and calls, including a series of grunts that resonate in the forest. Night or owl monkeys are strictly nocturnal, using their enormous eyes to see well in the dark. Some monkeys can swim their webbed toes help them paddle through the water, and they may swim across a stream or river to avoid predators or get to food. Monkeys play an important role in their native habitats by pollinating flowers and dispersing seeds as they travel. Monkey feet are as flexible as their hands, which also help them travel through small branches high up in the rainforest canopy. Many monkeys are known for their tree-swinging leaps that put human acrobats to shame! Many monkeys use the “arm over arm” technique you may have seen children practicing on the “monkey bars” at the playground! Colobus monkeys, unlike other monkeys, have hind legs that are much longer than their forelimbs, making for incredible leaping ability with great speed. Geladas and golden monkeys are mountain dwellers, and Japanese macaques live in parts of Japan where it snows these are the monkeys you may have seen on TV that find hot springs and spend a lot of time in the winter sitting in the warm water-kind of like a macaque Jacuzzi! Baboons live in savannas, open wooded areas, and rocky hillsides although they are able to climb trees, they spend most of their time on the ground. Most monkeys live in the tropical rainforests of Asia, Africa, and Central and South America, or the savannas of Africa. And one Old World monkey, the Barbary macaque, has no tail at all! Tails: Some New World monkeys, such as spider monkeys, have prehensile tails, but Old World monkeys do not. Rump pads: Some Old World monkeys, such as drills, have sitting pads on their rumps, but New World monkeys do not. New World monkeys don’t have cheek pouches. Most New World monkeys have round nostrils set far apart.Ĭheek pouches: Macaques and some of the other Old World monkeys have cheek pouches, where food is stuffed on the run, so it can be chewed later. Noses: Most Old World monkeys have small curved nostrils set close together. There are a few characteristics that are different in Old World and New World monkeys: Marmosets and tamarins also live in New World habitats but are different enough to be in their own different scientific grouping. ![]() Some examples are woolly monkeys, spider monkeys, howler monkeys, capuchin monkeys, and squirrel monkeys. New World monkeys are found in Mexico, Central America, and South America. ![]() Some examples are guenons, mangabeys, macaques, baboons, and colobus monkeys. Old World monkeys are found in Africa and Asia. Monkeys are found in two main regions of the world, so scientists have grouped them as either Old World monkeys or New World monkeys. These special tails are ridged on the underside and very flexible, so much so that they can grab a tree branch or pick up something as small as a peanut! Tails that can grab and hold are called prehensile. All monkeys can use their hands and feet for holding on to branches, but some arboreal monkeys can use their tails, too. ![]() Others, like macaques, baboons, and some mangabeys, are more terrestrial. A barrel of monkeys: They’re magnificent, mischievous, and sometimes mysterious-monkeys! They have many different adaptations, depending on their habitat.
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