Old World monkeys vs New World monkeys

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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. Old World monkeys are all simian primates. They tend to live in groups and have different gestation periods. Apes that are top animals can be divided into Old World monkeys (aka narrow-nosed monkeys) and New World monkeys (aka broad-nosed monkeys.) There are several characteristics that make New World Monkeys different from Old World Monkeys, and several that are the same.

Infraorder Simiiformes.

Old world monkeys are found in Asia and Africa while new world monkeys are found in South and Central America. Old World monkeys have narrow noses with downward-facing nostrils, 8 pre-molar teeth, their tails are not prehensile and they have colour vision. The Colobinae are herbivorous and have sacculated stomachs as well as elongated intestines that efficiently process leaves high in difficult to digest cellulose.

Superfamily Cercopithecoidea.

These descendents are known as the new world monkeys. New World monkeys is a term given to monkeys found in South America, Central America and some parts of Mexico. Old World monkey genera include baboons (genus Papio) and macaques (genus Macaca).Common names for other Old World monkeys include the talapoin, guenon, colobus, douc … Tail: Phrehensile tail (used like a 5th leg) Non-grasping tails: Vision: Lack trichromatic vision (mono vision) – exception: Howler Monkey The new world monkeys are characterized by wide, flat noses. New World monkeys have flatter, wider noses with side-facing nostrils, 12 pre-molar teeth and prehensile tails and lack 3-colour vision.

Key Differences. TRICHROMATIC colour vision depends on the presence of three types of cone photopigment.

Old world monkeys lives in a range of environment like savannah , tropical rain forests while new world monkeys lives in theirs arboreal (tree-dwelling) habitat.

Difference between Old world monkeys and new world monkeys About 30 million years ago some anthropoids migrated to South America where they evolved in isolation. They are divided into five categories: Pitheciidae, Aotidae, Atelidae, Callitrichadae, and Cebidae. The smallest is the talapoin, with a head and body 34–37 cm in length, and weighing between 0.7 and 1.3 kilograms, while the largest is the male mandrill at around 70 cm in length, and weighing up to 50 kilograms (the females are much smaller). Old World monkey is the common English name for a family of primates known taxonomically as the Cercopithecidae.Twenty-four genera and 138 species are recognized, making it the largest primate family. The Old World monkeys are divided into two subfamilies. They are more closely related to the apes than they are to the New World monkeys Taxonomic classification. They only occur in the Eastern Hemisphere.

Native primates of these two regions are important to consider, as there are many … The Cercopithecinae have ischial callosities, cheek pouches, and are omnivorous. Parvorder Catarrhini.

Nostrils face sideways: Scientific name for Old World monkeys is Catarrhines which means “narrow nosed”.

Old World monkeys are medium to large in size, and range from arboreal forms, such as the Colobus, to fully terrestrial forms, such as the baboons.

They still fall under the species of monkey: a primate that is neither human or ape. New World Monkeys are found in Central and South America.

Old World monkeys include the families of the gibbons, the apes and the meerkats.

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. Some Old World monkeys include baboons and guenons, while some New World monkeys include Capuchin and spider monkeys!

Scientific name for New World Monkeys is Platyrrhini which means “flat nosed”. Nostrils face downwards. After that, the two adjectives new world and old world were used to refer the fauna of those two regions of the world accordingly.



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2020 Old World monkeys vs New World monkeys