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Old World Monkeys

Proboscis Monkey (Nasalis larvatus)

Proboscis Monkey (Nasalis larvatus)

Drawing comparing the size of the Proboscis Monkey to similar Old World Monkey speciesDrawing comparing the size of the Proboscis Monkey to similar Old World Monkey species
Description
Description

The Proboscis Monkey (Nasalis larvatus) is a primate species native to Asia. They get their name from their large, bulbous noses. These noses are larger in the males, and may be used to amplify their calls and impress the others in their group. They live in the mangrove forests and lowland rainforests of the island of Borneo. They have webbing between their toes that helps them swim, an important adaptation since they live mostly on the coast and will leave their treetops to leap into rivers. They can swim up to twenty meters underwater without coming up for air.

Dimensions & Sizes
Dimensions & Sizes

Proboscis Monkeys have a head-body length of 20.9”-29.9” (53-76 cm), tail length of 20.5”-29.5” (52-75 cm), height on all fours of 16.1”-22.8” (41-58 cm), and body width between 8.7”-11.4” (22-29 cm). The typical weight of the Proboscis Monkey is in the range of 15.4-50.7 lb (7-23 kg). Proboscis Monkeys have lifespans between 15-20 years in the wild and 17-23 years in captivity.

Collection of dimensioned scaled drawings of the Proboscis Monkey viewed from the side and front elevations
Description
Description

The Proboscis Monkey (Nasalis larvatus) is a primate species native to Asia. They get their name from their large, bulbous noses. These noses are larger in the males, and may be used to amplify their calls and impress the others in their group. They live in the mangrove forests and lowland rainforests of the island of Borneo. They have webbing between their toes that helps them swim, an important adaptation since they live mostly on the coast and will leave their treetops to leap into rivers. They can swim up to twenty meters underwater without coming up for air.

Dimensions & Sizes
Dimensions & Sizes

Proboscis Monkeys have a head-body length of 20.9”-29.9” (53-76 cm), tail length of 20.5”-29.5” (52-75 cm), height on all fours of 16.1”-22.8” (41-58 cm), and body width between 8.7”-11.4” (22-29 cm). The typical weight of the Proboscis Monkey is in the range of 15.4-50.7 lb (7-23 kg). Proboscis Monkeys have lifespans between 15-20 years in the wild and 17-23 years in captivity.

Scaled collection of drawings of Proboscis Monkey in multiple sitting poses
Scaled collection of drawings of Proboscis Monkey in multiple sitting poses
3D Model
3D Model
Common Questions
Common Questions
Old World Monkeys
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Old World Monkeys
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What is the difference between the Old World and New World monkeys?
New World monkeys are found in America. They have a prehensile tail, enabling them to climb trees faster. They also have a high rate of reproduction and a shorter lifespan. Old World monkeys, on the other hand, are usually large and have a downward-pointing nostril, two premolars, and a non-grasping tail. Besides, we can find Old World monkeys in Africa and Asia.
Why do Old World monkeys have tails?
The tails of Old World monkeys are just for providing balance and support when moving among trees and during feeding, but not for grasping or holding an object or food like those of New World monkeys. Some species of Old World monkeys have long tails and others have short tails.
What do Old World monkeys typically eat?
Old World monkeys are browsers. Their diet includes fruits, flowers, leaves, rhizomes, insects, and even small mammals. Apart from these, they can also eat handouts and even garbage. This partial omnivore feature makes them easily adaptable to most environments. Thus, you can easily find them in zoos or people’s houses as pets.
What is the difference between the Old World and New World monkeys?
New World monkeys are found in America. They have a prehensile tail, enabling them to climb trees faster. They also have a high rate of reproduction and a shorter lifespan. Old World monkeys, on the other hand, are usually large and have a downward-pointing nostril, two premolars, and a non-grasping tail. Besides, we can find Old World monkeys in Africa and Asia.
Why do Old World monkeys have tails?
The tails of Old World monkeys are just for providing balance and support when moving among trees and during feeding, but not for grasping or holding an object or food like those of New World monkeys. Some species of Old World monkeys have long tails and others have short tails.
What do Old World monkeys typically eat?
Old World monkeys are browsers. Their diet includes fruits, flowers, leaves, rhizomes, insects, and even small mammals. Apart from these, they can also eat handouts and even garbage. This partial omnivore feature makes them easily adaptable to most environments. Thus, you can easily find them in zoos or people’s houses as pets.
Primates
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Primates
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What are primates?
Primates is the biological order that includes lemurs, monkeys, apes, as well as humans. Primates can be found all over the world and have a large brain in comparison to their body size. Primates are divided into 3 groups: prosimians, monkeys of the New World, and monkeys and apes of the Old World.
Why do primates live in social groups?
Most primates live in social groups to provide protection from predators like hyenas as well as to protect their food resources. Individuals in social groups coordinate activities, communicate with each other, and maintain social bonds. It is also easier for them to find a mate while living in a social group.
How do primates acquire food?
Although humans are the only primates that store food, other primate species seek both water and food on a daily basis. For example, chimpanzees and baboons, cooperate within their community to hunt for food. Most primate species are primarily or completely vegetarian. These species tend to search for food within their territory.
What are primates?
Primates is the biological order that includes lemurs, monkeys, apes, as well as humans. Primates can be found all over the world and have a large brain in comparison to their body size. Primates are divided into 3 groups: prosimians, monkeys of the New World, and monkeys and apes of the Old World.
Why do primates live in social groups?
Most primates live in social groups to provide protection from predators like hyenas as well as to protect their food resources. Individuals in social groups coordinate activities, communicate with each other, and maintain social bonds. It is also easier for them to find a mate while living in a social group.
How do primates acquire food?
Although humans are the only primates that store food, other primate species seek both water and food on a daily basis. For example, chimpanzees and baboons, cooperate within their community to hunt for food. Most primate species are primarily or completely vegetarian. These species tend to search for food within their territory.
Mammals
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Mammals
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When did mammals first appear?
Mammals first appeared during the Triassic period which was about 252 million to 201 million years ago and were members of the reptilian order Therapsida. This order had a subclass, Synapsida which are sometimes referred to as mammal-like reptiles. They were part of the Carboniferous period and are considered one of the earliest reptilian groups.
Which mammal species lay eggs?
The only 2 mammal species that lay eggs are the duck-billed platypus and the echidna, also known as the spiny anteater. The reasons these 2 mammals still lay eggs may be due to their distant ancestors as well as other primitive traits like their reptile-like shoulders.
What are the most common mammal species?
The most common mammal species are humans as it is the most numerous species of mammal on Earth. As of 2022, the human population reached 7.9 billion. Human beings are the only species that are close to exceeding the number of members of the brown rat and the house mouse.
When did mammals first appear?
Mammals first appeared during the Triassic period which was about 252 million to 201 million years ago and were members of the reptilian order Therapsida. This order had a subclass, Synapsida which are sometimes referred to as mammal-like reptiles. They were part of the Carboniferous period and are considered one of the earliest reptilian groups.
Which mammal species lay eggs?
The only 2 mammal species that lay eggs are the duck-billed platypus and the echidna, also known as the spiny anteater. The reasons these 2 mammals still lay eggs may be due to their distant ancestors as well as other primitive traits like their reptile-like shoulders.
What are the most common mammal species?
The most common mammal species are humans as it is the most numerous species of mammal on Earth. As of 2022, the human population reached 7.9 billion. Human beings are the only species that are close to exceeding the number of members of the brown rat and the house mouse.
Rainforest Animals
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Rainforest Animals
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How do animals adapt in the rainforest?
Animals adapt in the rainforest through multiple physical adaptions. The adaptations include camouflage that allows them to blend into their surroundings and makes it difficult for predators to see them. Animals also adapt to move within the surroundings of the rainforest through strong limbs or webbed feet.
What do rainforest animals eat?
The food rainforest animals typically eat depends on their placement within the food supply chain and the ecosystem. The food sources within the rainforest are often limited. Big animals eat smaller animals such as armadillos, birds, and turtles while smaller animals may generally eat mushrooms, termites, or worms.
Which animals are the top of the food chain in the rainforest?
The animals at the top of the food chain in the rainforest include big cats such as leopards and jaguars who are known for both their agility and speed. Other animals at the top of the food chain include anacondas who are known for their ability to prey and crocodiles.
How do animals adapt in the rainforest?
Animals adapt in the rainforest through multiple physical adaptions. The adaptations include camouflage that allows them to blend into their surroundings and makes it difficult for predators to see them. Animals also adapt to move within the surroundings of the rainforest through strong limbs or webbed feet.
What do rainforest animals eat?
The food rainforest animals typically eat depends on their placement within the food supply chain and the ecosystem. The food sources within the rainforest are often limited. Big animals eat smaller animals such as armadillos, birds, and turtles while smaller animals may generally eat mushrooms, termites, or worms.
Which animals are the top of the food chain in the rainforest?
The animals at the top of the food chain in the rainforest include big cats such as leopards and jaguars who are known for both their agility and speed. Other animals at the top of the food chain include anacondas who are known for their ability to prey and crocodiles.
Details
Details

*Under Development*

Height:
16.1”-22.8” | 41-58 cm
Width:
8.7”-11.4” | 22-29 cm
Depth:
Length:
20.9”-29.9” | 53-76 cm
:
:
Weight:
15.4-50.7 lb | 7-23 kg
Area:
:

Tail Length: 20.5”-29.5” | 52-75 cm

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Scientific Name:
Nasalis larvatus
Lifespan:
15-20 years (wild); 17-23 years (captivity)

Drawings include:

Proboscis Monkey side elevation (assorted), front

Links
Links

Wikipedia - Proboscis Monkey

Wikipedia - Old World Monkey

Related Collections
Related Collections
Old World Monkeys
Primates
Mammals
Rainforest Animals
Related Tags
Related Tags
Rainforest Biome
Updated on
October 23, 2022
Guides
Guides

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