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Dendrolagus inustus

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA MAMMALIA DIPROTODONTIA MACROPODIDAE

Scientific Name: Dendrolagus inustus
Species Authority: Müller, 1840
Common Name/s:
English – Grizzled Tree Kangaroo
French – Dendrolague Gris
Spanish – Canguro Arborícola Gris

Assessment Information [top]

Red List Category & Criteria: Vulnerable A4cd ver 3.1
Year Published: 2008
Assessor/s: Leary, T., Seri, L., Wright, D., Hamilton, S., Helgen, K., Singadan, R., Menzies, J., Allison, A., James, R., Dickman, C., Aplin, K., Flannery, T., Martin, R. & Salas, L.
Reviewer/s: Lamoreux, J. & Hilton-Taylor, C. (Global Mammal Assessment Team)
Contributor/s:
Justification:
Listed as Vulnerable because of an ongoing population decline, suspected to be more than 30% over the last generation (i.e, 10 years), and projected exceed 30% over the next two generations (i.e., 20 years), due to hunting and habitat loss and degradation from expanding agricultural activities. This assessment assumes that the mapped distribution in the north coastal range is correct and that the species is not west of the Mamberamo. Further surveys are needed to determine the true range of this species.
History:
1996 – Data Deficient (Baillie and Groombridge 1996)
1996 – Data Deficient
1994 – Vulnerable (Groombridge 1994)

Geographic Range [top]

Range Description: This species occurs in the northern coastal areas (including the Foja mountains), and the Vogelkop Peninsula of the island of New Guinea (Indonesia and Papua New Guinea). It is also present on the adjacent islands of Yapen, Waigeo, Misool, Salawati, and possibly Batanta (Indonesia). It probably ranges further to the south-west from the northern coastal range (this is a poorly surveyed area). It ranges in elevation from between 100 and 1,400 m asl.
Countries:
Native:
Indonesia; Papua New Guinea
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: It is a rare species, but it might occur at higher densities in the absence of humans. The population in the northern coastal range of New Guinea is considerably more threatened than other populations.
Population Trend: Decreasing

Habitat and Ecology [top]

Habitat and Ecology: This species has been recorded from lowland and mid-montane tropical forests. It is found in both primary and degraded forests.
Systems: Terrestrial

Threats [top]

Major Threat(s): This species is threatened by heavy hunting for food by local people, and by habitat loss and degradation through conversion of forest to small-scale agricultural use, and large-scale oil palm plantations.

Conservation Actions [top]

Conservation Actions: It is listed on Appendix II of CITES. This species occurs in a couple of protected areas. There is a community-based conservation project in the northern coastal range of New Guinea that is focused on protecting tree kangaroo species. Further surveys are needed to determine the true range of this species.
Citation: Leary, T., Seri, L., Wright, D., Hamilton, S., Helgen, K., Singadan, R., Menzies, J., Allison, A., James, R., Dickman, C., Aplin, K., Flannery, T., Martin, R. & Salas, L. 2008. Dendrolagus inustus. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. <www.iucnredlist.org>. Downloaded on 21 May 2013.
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