Overview

Distribution

Range Description

It is found only in Angola and DR Congo. In Angola, it is known only from a single specimen collected in 1908 north of the Cuanza River (Crawford-Cabral 1989). In DR Congo, it is present in the rainforest southeast of the Congo/Lualaba Rivers (Van Rompaey and Colyn 2013).
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
This is an inhabitant of deciduous equatorial forest; not known to visit cultivated or inhabited land (Van Rompaey and Colyn 2013).

Systems
  • Terrestrial
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2015

Assessor/s
Angelici, F.M. & Do Linh San, E.

Reviewer/s
Duckworth, J.W. & Hoffmann, M.

Contributor/s
Hoffmann, M.

Justification
There is little information on the population status, distribution limits and threat levels of this species. Bushmeat hunting and logging possibly had impactson its population over the past 12 years (assuming a generation length of four years), but would be unlikely to have led to a decline of more than 1015%.Despite the fact that relevant search effort has been limited, and may in part explain the low number of records, this species seems to be naturally rare (occurring at about a quarter the abundance of sympatric Alexander's CusimanseC. alexandri) and to be living at low density. However, with an estimated range area of ca 600,000 km2, the total population would contain more than 10,000 mature individuals even with extremely low densities.Therefore, the species is listed as Least Concern. Further survey work could better evaluate the impact of hunting, as well as determine population trends and local population densities. Studies on this species' distribution range might reveal that it is in fact much larger than currently known, with an expansion in Angola.

History
  • Data Deficient (DD)
  • 1996
    Lower Risk/least concern (LR/lc)
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Population

Population
Up until 1984, this species was known only from two specimens, the type and the specimen from Baringa. However, it hassince been found to be quite common in some regions (Van Rompaey and Colyn 2013). During bushmeat surveys conducted in the eastern Congo basin, this species accounted for only 10% of carnivores compared with 42% for Alexander's Cusimanse (Colyn et al. 1987).

Population Trend
Decreasing
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Threats

Major Threats
The level of threat to this species is not fully clear, but threats include habitat loss and bushmeat hunting.
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Management

Conservation Actions

Conservation Actions
It has been recorded from Salonga N. P. in DR Congo. There is a paucity of information available for this species, making it a priority for research, particularly to determine its current population status, the extent of its range, as well as threats to it. In particular, a survey for the disjunct population in Angola is urgently needed where it is known only from the holotype (Van Rompaey and Colyn 2013).
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