The smallest Old World monkey is the talapoin, with a head and body 34–37 cm in length, and weighing between 0.7 and 1.3 kg. Old world monkeys are larger on average than the new world monkeys. Most New world monkeys have long, often prehensile tails. The old world monkeys have big, sharp canines with a diastema (gap between canines and incisors), and the upper canines are kept sharp by being honed against the first premolar on the bottom. Old World monkeys … New World monkeys have broad noses with a wide septum separating outwardly directed nostrils, whereas Old World monkeys have narrow noses with a thin septum and downward-facing nostrils, as do apes and humans. The main differences between Old and New World monkeys are that Old World varieties have downturned nostrils and do not have prehensile tails. Old World monkeys are unlike apes in that most have tails (the family name means ‘tailed ape’), and unlike the New World monkeys their tails are never prehensile. d) all of the above Old World monkeys live in Africa and Asia, and New World Monkeys live in Central and South America. Old World monkeys have hard, bare “sitting pads” (ischial callosities) on the buttocks; New World monkeys lack these. However, New World Monkeys see in color just like humans do. Old World Monkeys are only able to see the world in Black and White. Of all the monkeys, this species stands out for a variety of reasons. Old world monkeys like the ones in Africa shared a common ancestor with apes and humans about 25 million years ago. Baboons are the biggest of the old world monkeys, especially the males. The scientific name for New world monkey, Platyrrhini, means ‘flat nosed’, therefore their noses are flatter, with side facing nostrils, compared to the narrow noses of the Old World monkey. The Old World monkeys are native to Africa and Asia today, however, they are also known to have been present in Europe from fossil records. Briefly on Monkeys: Monkeys have the most variation among the Primates, and there are many kinds of monkeys. (1). The Colobinae are herbivorous and have sacculated stomachs as well as elongated intestines that efficiently process leaves high in difficult to digest cellulose. The Mandrill monkey is thought to be an ape by many owing to its size, but is in fact an Old World monkey. It is believed that a genetic mutation over time is what allowed for this significant change to occur. Old World monkeys are unlike apes in that most have tails (the family name means ‘tailed ape’), and unlike the New World monkeys their tails are never prehensile. Monkeys themselves are divided into two large categories: Old World Monkeys and New World Monkeys. New World (platyrrhine) and Old World (catarrhine) monkeys are distinguished by the form of the nose. Which of the following is characteristic of members of the New World monkey Family Callitricidae? New World monkeys, from (1), have a (2) dental formula, whereas Old World monkeys, from (3), have a (4) dental formula. After Christopher Columbus had discovered the America, it was named the new world and all the landmasses located east to the Atlantic Ocean were referred as the old world. Since old world monkeys are larger primates, we expect to find them consuming mostly fruits and leaves. Scientists made these discoveries during the mapping of the human genome. Many Old and New World Monkeys have tails, tend to walk on all fours like a cat or dog, and have the smallest brain out of the groups. Well, the colobus monkey is one of many recognizable Old World monkeys. Scientifically speaking, the Old World monkeys are more related to the apes than to the New World monkeys. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Proboscis monkey male. what you eat is related to your body size... 1) smallest of primates (<500 g) eat insects and gums,2) smaller primates (<10 kg) are typically frugivore-insectivres 3) larger primates (>10 kg) are typically frugivore-folivores. However, New World Monkeys see in color just like humans do. The largest is the male mandrill, around 70 cm in length, and weighing up to 50 kg. Most New world monkeys have long, often prehensile tails. Old World monkeys have a variety of facial features; some have snouts, some are flat The Cercopithecinae have ischial callosities, cheek pouches, and are omnivorous. After that, the two adjectives new world and old world were used to refer the fauna of those two regions of the world accordingly.