# Allen's swamp monkey (*Allenopithecus nigroviridis*)

Allen's swamp monkey is a playful and curious monkey that loves to swing through the trees. They have a special black and green fur that helps them blend into their wetland home.

- **Category:** [Mammals](https://www.snappit.app/explore/categories/mammal)
- **Rarity:** Rare
- **Danger:** 2/5 · Low
- **Habitat:** Wetlands
- **Also known as:** Allen's monkey, Swamp monkey

![Allen's swamp monkey](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Balancing_%286035989056%29.jpg&width=800)

Photo: Becker1999 from Grove City, OH, CC BY 2.0 · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Balancing_%286035989056%29.jpg)

## Appearance

The Allen's swamp monkey has a stocky build with grayish-green fur on its back and a lighter belly. Its face is hairless and bluish-black. They are unique for their partially webbed fingers and toes, a special adaptation for their watery home.

## Taxonomy

- **Kingdom:** Animalia
- **Phylum:** Chordata
- **Class:** Mammalia
- **Order:** Primates
- **Family:** Cercopithecidae
- **Genus:** Allenopithecus

## Interesting facts

- Allen's swamp monkeys sleep high in trees to stay safe from predators!
- These monkeys often eat small frogs and fish right out of the water!
- They are the only monkey in their genus, Allenopithecus!
- They communicate with unique calls, including a "hoo" sound to warn others!

## Special abilities

- **Aquatic Agility:** Allen's swamp monkey can swim and dive expertly because of its partially webbed fingers and toes that help them navigate watery habitats.
- **Food Locker Cheeks:** Allen's swamp monkey has large cheek pouches that help them temporarily store lots of food, keeping them safe while gathering.
- **Swamp Stealth:** Allen's swamp monkey can hide in dense vegetation near water, because its grayish-green fur helps them blend in perfectly.

## Measurements & details

- **Length:** 45-60 cm
- **Weight:** 2-6 kg
- **Lifespan:** 15-23 years
- **Speed:** 25 km/h
- **Litter Size:** 1
- **Gestation:** 160 days

## Diet & Feeding

These omnivores enjoy a varied menu of fruits, leaves, insects, and even small aquatic animals!

- **Primary Foods:** Fruits, Leaves, Insects, Frogs, Fish, Bird Eggs
- **Foraging Method:** Foraging

## Ecological connections

- **Eaten by:** [Leopard](https://www.snappit.app/explore/leopard) (*Panthera pardus*) — A primary predator of monkeys in its habitat.
- **Eaten by:** [Crowned Eagle](https://www.snappit.app/explore/crowned-eagle) (*Stephanoaetus coronatus*) — Large raptor that preys on arboreal mammals.
- **Eaten by:** African Rock Python (*Python sebae*) — Large constrictor that can prey on monkeys.
- **Eats:** Forest Fig (*Ficus exasperata*) — Often eats fruits from specific fig tree species.
- **Eats:** Mutundu (*Cynometra alexandri*) — Consumes leaves and pods from certain swamp trees.

## Traits

- [Furry](https://www.snappit.app/explore/traits/furry): Furry describes animals possessing a dense covering of soft hair or fur.
- [Social](https://www.snappit.app/explore/traits/social): Social animals live in organized groups, cooperating for survival benefits such as foraging, defense, and raising offspring.
- [Omnivorous](https://www.snappit.app/explore/traits/omnivorous): This trait identifies organisms whose diet includes both plant and animal matter.
- [Arboreal](https://www.snappit.app/explore/traits/arboreal): Arboreal animals live primarily in trees, utilizing them for shelter, food, and protection from predators.
- [Wetland](https://www.snappit.app/explore/traits/wetland): This habitat trait identifies species found in wetlands, which are areas of land saturated with water, either permanently or seasonally, including marshes, swamps, and bogs.
- [Diurnal](https://www.snappit.app/explore/traits/diurnal): Diurnal animals are primarily active during daylight hours, typically resting or sleeping at night.
- [Endangered](https://www.snappit.app/explore/traits/endangered): Endangered status indicates a species is at a very high risk of extinction in the wild in the near future.

## Collections

- [Mammals](https://www.snappit.app/explore/collections/mammals)

## Safety

**Danger:** 2/5 · Low

Always watch from a distance and never try to touch wild animals.

## Frequently Asked Questions

### How to identify Allen's swamp monkey?

Compare ears, muzzle, tail, feet and coat markings. Size is hard to judge without something nearby for scale, and young mammals may not have adult coloring yet. Mammal Identifier: upload a photo and compare the visible details.

### How long is Allen's swamp monkey?

45-60 cm

### How much does Allen's swamp monkey weigh?

2-6 kg

### How long does Allen's swamp monkey live?

15-23 years

### How fast can Allen's swamp monkey move?

25 km/h

### What does Allen's swamp monkey eat?

These omnivores enjoy a varied menu of fruits, leaves, insects, and even small aquatic animals!

### Where is Allen's swamp monkey usually found?

Wetlands

### How does Allen's swamp monkey hunt?

Foraging

## More Mammals

- [Eastern Fox Squirrel](https://www.snappit.app/explore/eastern-fox-squirrel) (*Sciurus niger*)
- [Eastern Cottontail](https://www.snappit.app/explore/eastern-cottontail) (*Sylvilagus floridanus*)
- [Eastern Chipmunk](https://www.snappit.app/explore/eastern-chipmunk) (*Tamias striatus*)
- [California Ground Squirrel](https://www.snappit.app/explore/california-ground-squirrel) (*Otospermophilus beecheyi*)

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Source: [Allen's swamp monkey: Facts & Places to See — Snappit](https://www.snappit.app/explore/allens-swamp-monkey)
