New World monkey

Puebla - Museo Amparo - Singe, classique, états théocratiques, influence du style Remojadas, Totonala

New World monkeys are a group of primates native to the Americas, from South America up to parts of Mexico. They are classified within the parvorder Platyrrhini, which contrasts with the Old World monkeys of the parvorder Catarrhini. New World monkeys are known for their wide nasal septa, prehensile tails in some species, and the absence of ischial callosities and cheek pouches, features that distinguish them from the Old World monkeys.

Characteristics

New World monkeys range in size from the tiny pygmy marmoset, which can be as small as 117 grams, to the much larger howler monkey, which can weigh up to 9 kilograms. They exhibit a wide range of colors and coat patterns, adapted to their diverse habitats from tropical rainforests to savannas. One of the most distinctive features of many New World monkeys is the prehensile tail, which acts as a fifth limb, allowing them to grasp and manipulate objects or hang from branches as they forage for food. This adaptation is particularly evident in species like the spider monkey and woolly monkey.

Habitat and Distribution

New World monkeys inhabit a variety of environments across the Americas. Their range extends from northern Mexico to southern Brazil and includes tropical rainforests, mangroves, savannas, and mountainous regions. They are arboreal, spending most of their lives in the tree canopies, although some species are known to descend to the ground to forage or travel.

Diet

The diet of New World monkeys varies widely among species, including fruits, leaves, insects, and small vertebrates. Some species, like the howler monkey, have specialized diets and digestive systems adapted to folivory, consuming mainly leaves. In contrast, others, such as the capuchin monkey, have a more varied diet that includes fruits, insects, and even small mammals.

Social Structure

New World monkeys exhibit a wide range of social structures, from the solitary nocturnal monkey species to the highly social squirrel monkey. Many species live in complex social groups that can number in the dozens, with intricate hierarchies and social bonds. Communication within these groups is sophisticated, involving a variety of vocalizations, facial expressions, and body postures.

Conservation

Many New World monkey species are threatened by habitat destruction, hunting, and the pet trade. Deforestation in the Amazon and other regions poses a significant threat to their habitats, leading to population declines. Conservation efforts are underway to protect these primates, including habitat preservation, legal protection, and rehabilitation programs for individuals rescued from the pet trade.

Classification

New World monkeys are divided into two families: Callitrichidae, which includes marmosets and tamarins, and Cebidae, which encompasses the capuchins, howler monkeys, spider monkeys, and others. These families are further divided into several genera and species, reflecting the diversity of this group of primates.