Map_thumbnail_large_font

Allocebus trichotis

Status_ne_offStatus_dd_onStatus_lc_offStatus_nt_offStatus_vu_offStatus_en_offStatus_cr_offStatus_ew_offStatus_ex_off

Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA MAMMALIA PRIMATES CHEIROGALEIDAE

Scientific Name: Allocebus trichotis
Species Authority: (Günther, 1875)
Common Name/s:
English Hairy-eared Dwarf Lemur
French Cheirogale Aux Oreilles Poilues, Allocèbe, Chirogale Aux Oreilles Poilues
Spanish Lemur Orejipeludo
Taxonomic Notes: The first specimens of this taxon were assigned to the genus Cheirogaleus when originally described by Günther in 1875, but distinct cranial and dentition features ultimately elevated the species to the sole representative of its own genus (Petter-Rousseaux and Petter 1967, Yoder 1996).

Assessment Information [top]

Red List Category & Criteria: Data Deficient ver 3.1
Year Published: 2008
Date Assessed: 2008-06-30
Assessor/s: Andrainarivo, C., Andriaholinirina, V.N., Feistner, A., Felix, T., Ganzhorn, J., Garbutt, N., Golden, C., Konstant, B., Louis Jr., E., Meyers, D., Mittermeier, R.A., Perieras, A., Princee, F., Rabarivola, J.C., Rakotosamimanana, B., Rasamimanana, H., Ratsimbazafy, J., Raveloarinoro, G., Razafimanantsoa, A., Rumpler, Y., Schwitzer, C., Thalmann, U., Wilmé, L. & Wright, P.
Reviewer/s: Mittermeier, R.A. & Rylands, A.B. (Primate Red List Authority)
Justification:
Listed as Data Deficient as the species is very poorly known, and there is very limited information available on its distribution or population size. Survey work over the past 15 years has shown the species to be more widely distributed than previously known; however, given known threats, the species may warrant listing as threatened in future.
History:
2000 Endangered
1996 Critically Endangered
1994 Endangered (Groombridge 1994)
1990 Endangered (IUCN 1990)
1990 Endangered (IUCN 1990)
1988 Endangered (IUCN Conservation Monitoring Centre 1988)
1986 Endangered (IUCN Conservation Monitoring Centre 1986)

Geographic Range [top]

Range Description: This species is endemic to the island of Madagascar. By 1989, there had only been sightings on both sides of the Mananara River (Meier and Albignac 1991), and the species was thought to be restricted to lowland rainforests of that area. Since 1994, however, its presence has been documented in Marojejy National Park, Anjanaharibe-Sud Special Reserve, Masoala National Park, Mananara-Nord National Park, Zahamena Strict Nature Reserve, Analamazaotra Special Reserve, Maromizaha Forest, Forêt de Vohidrazana, the Vohimana Forest, 12 km east of Andisebe (N. Garbutt pers. comm.), and Marotandrano Special Reserve (Mittermeier et al. 2008). Recorded from near sea-level to 1,600 m.
Countries:
Native:
Madagascar
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: Until 1989, known only from five museum specimens, three collected in the 19th century. Appears to be extremely rare and elusive, though it may be overlooked and confused with Microcebus; recent records have shown it to be more widely distributed than previously known.
Population Trend: Unknown

Habitat and Ecology [top]

Habitat and Ecology: Allocebus is typically found in intact moist forest, though it seems to tolerate moderate levels of human activity (Mittermeier et al. 2008). Relatively little is known about the behaviour and ecology of the Hairy-eared Dwarf Lemur. It is nocturnal and has been observed in pairs (presumably male/female), with offspring, and singly. Groups of two to six nest in holes of larger trees and prefer to complement the nest with straw, even covering themselves with it in captivity (Meier and Albignac 1991). Spotted often in tangles of brush or lianas, it appears to forage in these areas at lower levels of the forest
Systems: Terrestrial

Threats [top]

Major Threat(s): Threats to the survival of A. trichotis include destruction of its eastern rain forest habitat, primarily due to slash-and-burn agriculture, as well as some localized hunting and trapping (Yoder 1996).

Conservation Actions [top]

Conservation Actions: This species is listed on Appendix I of CITES. It is known to occur in five national parks (Mananara-Nord, Mantadia, Marojejy, Masoala, and Zahamena), the Zahamena Strict Nature Reserve, and three special reserves (Analamazaotra, Marotandrano and Anjanaharibe-Sud). Additional survey work to determine density and biology and ecology would be highly desirable.
Citation: Andrainarivo, C., Andriaholinirina, V.N., Feistner, A., Felix, T., Ganzhorn, J., Garbutt, N., Golden, C., Konstant, B., Louis Jr., E., Meyers, D., Mittermeier, R.A., Perieras, A., Princee, F., Rabarivola, J.C., Rakotosamimanana, B., Rasamimanana, H., Ratsimbazafy, J., Raveloarinoro, G., Razafimanantsoa, A., Rumpler, Y., Schwitzer, C., Thalmann, U., Wilmé, L. & Wright, P. 2008. Allocebus trichotis. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.2. <www.iucnredlist.org>. Downloaded on 17 April 2014.
Disclaimer: To make use of this information, please check the <Terms of Use>.
Feedback: If you see any errors or have any questions or suggestions on what is shown on this page, please fill in the feedback form so that we can correct or extend the information provided