Animalia > Chordata > Mammalia > Primates > Indriidae > Avahi > Avahi laniger

Avahi laniger (woolly lemur)


Wikipedia Abstract

The eastern woolly lemur (Avahi laniger), also known as the eastern avahi or Gmelin's woolly lemur, is a species of woolly lemur native to eastern Madagascar, where it lives in humid forests. This nocturnal animal weighs 1.0–1.3 kg and reaches a length of 27–29 cm with a tail of 33–37 cm. Its diet consists mainly of leaves and buds. Eastern woolly lemurs live in monogamous pairs together with their offspring.
View Wikipedia Record: Avahi laniger

Endangered Species

Status: Vulnerable
View IUCN Record: Avahi laniger

EDGE Analysis

Uniqueness Scale: Similiar (0) 
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
 Unique & Vulnerable (100)
ED Score: 19.04
EDGE Score: 3


Adult Weight [1]  2.646 lbs (1.20 kg)
Birth Weight [2]  33 grams
Diet [3]  Frugivore, Herbivore
Diet - Fruit [3]  20 %
Diet - Plants [3]  80 %
Forages - Arboreal [3]  100 %
Female Maturity [2]  2 years 4 months
Gestation [2]  4 months 17 days
Litter Size [2]  1
Litters / Year [2]  1
Nocturnal [4]  Yes
Snout to Vent Length [2]  14 inches (36 cm)
Habitat Substrate [4]  Arboreal


Name Countries Ecozone Biome Species Report Climate Land
Madagascar lowland forests Madagascar Afrotropic Tropical and Subtropical Moist Broadleaf Forests
Madagascar subhumid forests Madagascar Afrotropic Tropical and Subtropical Moist Broadleaf Forests

Protected Areas

Biodiversity Hotspots

Name Location Endemic Species Website
Madagascar and the Indian Ocean Islands Comoros, Madagascar, Mauritius, Seychelles Yes

Prey / Diet

Dombeya pubescens[5]
Erythroxylum sphaeranthum[5]
Harungana madagascariensis[5]
Oncostemum botryoides[5]
Razafimandimbisonia humblotii[5]

Prey / Diet Overlap

Competing SpeciesCommon Prey Count
Hapalemur aureus (golden bamboo lemur)1
Hapalemur griseus (bamboo lemur)1


Accipiter henstii (Henst's Goshawk)[6]
Cryptoprocta ferox (Fossa)[6]
Homo sapiens (man)[7]
Polyboroides radiatus (Madagascar Harrier-Hawk)[6]


Parasitized by 
Phthirpediculus avahidis[7]

Range Map

External References


Attributes / relations provided by
1Group Composition, Home Range Size, and Diet of Three Sympatric Bamboo Lemur Species (Genus Hapalemur) in Ranomafana National Park, Madagascar, Chia L. Tan, International Journal of Primatology, Vol.20, No. 4, 1999, pp. 547-566
2Nathan P. Myhrvold, Elita Baldridge, Benjamin Chan, Dhileep Sivam, Daniel L. Freeman, and S. K. Morgan Ernest. 2015. An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96:3109
3Hamish Wilman, Jonathan Belmaker, Jennifer Simpson, Carolina de la Rosa, Marcelo M. Rivadeneira, and Walter Jetz. 2014. EltonTraits 1.0: Species-level foraging attributes of the world's birds and mammals. Ecology 95:2027
4Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2006. The Animal Diversity Web (online). Accessed February 01, 2010 at
5{Feeding Patterns in a Small-bodied Nocturnal Folivore (Avahi laniger) and the Influence of Leaf Chemistry: A preliminary Study, A.L. Faulkner, S.M. Lehman, Folia Primatol 894
6Predation on Lemurs in the Rainforest of Madagascar by Multiple Predator Species: Observations and Experiments, Sarah M. Karpanty and Patricia C. Wright, Primate Anti-Predator Strategies, Developments in Primatology: Progress and Prospects, 2007, Part 2, 77-99
7Jorrit H. Poelen, James D. Simons and Chris J. Mungall. (2014). Global Biotic Interactions: An open infrastructure to share and analyze species-interaction datasets. Ecological Informatics.
Ecoregions provided by World Wide Fund For Nature (WWF). WildFinder: Online database of species distributions, ver. 01.06 Wildfinder Database
Biodiversity Hotspots provided by Critical Ecosystem Partnership Fund
Abstract provided by DBpedia licensed under a Creative Commons License
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset accessed via on 2023-06-13; License: CC BY 4.0