Mammals · Primates · Indriidae

Indri

Indri indri

Critically Endangered

It faces an extremely high risk of imminent extinction in the wild. See full glossary

Its distinctive territorial songs, among the loudest calls in the animal kingdom, carry more than 2 kilometres through the Malagasy forest. It is revered in local mythology, which has traditionally helped protect it from hunting.

Weight

6 kg – 10 kg

Size

60 cm – 90 cm

Lifespan

16 years

Diet

Herbivore

Feeds mainly on plants.

Activity

Diurnal

Active mainly during the day.

Social structure

Family group

Lives in small family groups with close bonds.

Sighting difficulty

Very hard

Fun facts

  • comunicaciónIt is the largest living lemur and gives very powerful song-like calls that carry several kilometres through the forest.

Life cycle & biology

Skeleton type
Vertebrate - internal bony skeleton (mammal)
Habitat & environment
Tropical rainforest of eastern Madagascar
Birth weight
Exact weight at birth not found as a precise figure
Size at birth
Born entirely black, developing white patches between 4 and 6 months
Sexual maturity
7-9 years, among the slowest maturation of any primate
Gestation / incubation
120-150 days (~4-5 months)
Litter / clutch size
1 young, with an interval between births of 2-3 years

Sources consulted: JungleDragon; Creatures of the World Wiki; Animal Diversity Web; A-Z Animals; Wildlife Madagascar; Animal Spot; AQUA-FIRMA wildlife guides

Where to watch it

Parks and dive sites where this species has been documented.

Related species

Other species in the catalogue with the most in common with Indri — same habitat, park, country, tags or family.

How to help

The indri is classified as critically endangered. Organizations such as UICN, WWF y Wildlife Conservation Society work specifically on its conservation and that of its habitat; looking into their programs is a good starting point if you want to get involved.

It's documented in 4 real protected areas — part of why protecting these places matters for its conservation.

Keep exploring

Based on what we already know about indri.

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