Table of Contents
Overview
Distribution
Range Description
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Geographic Range
The range of Allenopithecus nigroviridis is from the Upper and Eastern basins of the Congo to Western Zaire (Walker 1975).
Biogeographic Regions: ethiopian (Native )
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Physical Description
Morphology
Physical Description
Average mass: 4702.5 g.
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Ecology
Habitat
Habitat and Ecology
Systems
- Terrestrial
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Habitat
Studies from the Lomako Forest in Zaire suggest that A. nigroviridis is found only in the swamp forests. This differs from many other cercopithecids in that region, which occupy primary, secondary, and Mbau forests. The species is arboreal and at least semi-terrestrial (McGraw 1994).
Terrestrial Biomes: forest ; rainforest
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Trophic Strategy
Food Habits
Little is known about the overall natural history of A. nigroviridis; however, it is known that they forage on the ground and in shallow water (Walker 1975). The diet of A. nigroviridis includes fruit, leaves, and small invertebrates. 
http://www.zooregon.org/cards/monkey.allens.swamp.htm
Animal Foods: insects
Plant Foods: leaves; fruit
Primary Diet: omnivore
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Life History and Behavior
Life Expectancy
Lifespan/Longevity
These primates are thought to live up to 20 years.
Average lifespan
Status: wild: 23.0 years.
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Lifespan, longevity, and ageing
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Reproduction
Reproduction
Again little is known about the specific reproductive system of A. nigroviridis. Like other cercopithecids, females generally give birth to one offspring at a time. The young are typically weaned at 2.5 months (Hayssen and Van Tienhoven 1993). The length of estrus and menses is unknown as well as the breeding season. Allenopithecus nigroviridis can live up to 2 decades. ( http://www.zooregon.org/cards/monkey.allens.swamp.htm)
Average number of offspring: 1.
Average weaning age: 2.5 months.
Key Reproductive Features: iteroparous ; gonochoric/gonochoristic/dioecious (sexes separate); viviparous
Average birth mass: 221 g.
Average number of offspring: 1.
Females nurse and care for their young for two and a half months.
Parental Investment: pre-fertilization (Provisioning, Protecting: Female); pre-hatching/birth (Provisioning: Female, Protecting: Female); pre-weaning/fledging (Provisioning: Female, Protecting: Female); extended period of juvenile learning
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Molecular Biology and Genetics
Molecular Biology
Barcode data: Allenopithecus nigroviridis
There is 1 barcode sequence available from BOLD and GenBank. Below is the sequence of the barcode region Cytochrome oxidase subunit 1 (COI or COX1) from a member of the species. See the BOLD taxonomy browser for more complete information about this specimen. Other sequences that do not yet meet barcode criteria may also be available.
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Download FASTA File
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Statistics of barcoding coverage: Allenopithecus nigroviridis
Public Records: 1
Species: 2
Species With Barcodes: 1
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Conservation
Conservation Status
IUCN Red List Assessment
Red List Category
Red List Criteria
Version
Year Assessed
Assessor/s
Reviewer/s
Justification
History
- 1996Lower Risk/near threatened
- 1994Insufficiently Known(Groombridge 1994)
- 1990Insufficiently Known(IUCN 1990)
- 1988Insufficiently Known(IUCN Conservation Monitoring Centre 1988)
- 1988Insufficiently Known
- 1986Insufficiently Known(IUCN Conservation Monitoring Centre 1986)
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Conservation Status
IUCN Red List of Threatened Species: least concern
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Trends
Population
Population Trend
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Threats
Threats
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Management
Conservation Actions
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Relevance to Humans and Ecosystems
Benefits
Economic Importance for Humans: Positive
Many cercopithecids, including A. nigroviridis, are hunted for their meat, and they are used in the biomedical research industry (Lawlor 1979).
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Wikipedia
Allen's swamp monkey
Allen's swamp monkey (Allenopithecus nigroviridis) is a primate species categorized in its own genus Allenopithecus in the Old World monkey family. Systematically, it is a sister clade to the guenons, but differs in dentition and habits.
Contents |
Range
Allen's swamp monkey lives in the Congo Basin, in the Republic of Congo and in the west of the Democratic Republic of Congo.
Description
This monkey is a rather strongly built animal. Its skin is grey-green at the top side. Its face is reddish with long hair bundles at the cheeks. The slight webbing of the fingers and toes point to its partially aquatic way of life. Allen's swamp monkey can reach a full body length from 45 to 60 cm, with an approximately 50 cm long tail. Males, weighing up to 6 kg, are substantially larger than the females (up to 3.5 kg).
Behavior
Allen's swamp monkey is a diurnal animal and regularly looks for food on the ground. It inhabits swampy, water-rich areas and can swim well, diving to avoid danger. It lives together in social groups of up to 40 animals, communicating with different calls, gestures and touches.
Its diet consists of fruits and leaves, as well as beetles and worms.
Little is known of the mating habits of this species. The females bear young, which are weaned in approximately three months and are mature after three to five years. Its lifespan is as great as 23 years.
Raptors, snakes and the bonobo rank among the natural enemies of Allen's swamp monkey. Unlike other primates, its swampy habitat is not so strongly exposed to the danger of the forests. However, it is hunted for its meat.
References
- ^ Groves, C. (2005). Wilson, D. E.; Reeder, D. M. eds. Mammal Species of the World (3rd ed.). Baltimore: Johns Hopkins University Press. pp. 153. OCLC 62265494. ISBN 0-801-88221-4. http://www.bucknell.edu/msw3/browse.asp?id=12100424.
- ^ Oates, J. F. & Groves, C. P. (2008). Allenopithecus nigroviridis. In: IUCN 2008. IUCN Red List of Threatened Species. Downloaded on 4 January 2009.
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