Mammals

Indri

Indri indri

The largest of the living lemurs, with its black-and-white coat and very short tail, the indri fills the forests of Madagascar with powerful, melodious songs.

Characteristics

Scientific nameIndri indri
Weight6–9,5 kg
SizeLarge: body 64-72 cm, very short tail
Energy3/5

Temperament

Arboreal, songful, lives in a monogamous pair

Diet

Herbivore: mainly leaves, with seeds, fruit and flowers

The giant of the lemurs

The indri is the largest of the living lemurs, a primate of solemn, elegant appearance. Its coat is dense, with a characteristic black-and-white pattern that varies from one individual to another. Unlike most other lemurs, the indri has a greatly reduced, barely visible tail, which gives it an unusual silhouette. It often maintains an upright posture when clinging to trunks or moving between trees, and its large eyes and rounded ears give it an attentive, curious expression.

Habitat and distribution

It is endemic to Madagascar, where it lives exclusively in the rainforests of the north-east of the island. It is a strictly arboreal animal, spending its life among the canopy, moving with powerful leaps from one tree to another. It lives in small family groups, made up of a monogamous pair and their young.

The song of the indri

The most extraordinary feature of the indri is its voice. Family groups communicate through powerful, melodious songs that resound for kilometres through the forest. These calls, which can last several minutes, serve to mark the territory and to keep contact between groups. Remarkably, the indri seems to possess a genuine sense of rhythm, a very rare characteristic in the animal world.

Feeding and conservation

It is herbivorous and feeds above all on leaves, supplementing its diet with seeds, fruit and flowers. The indri is classified as a critically endangered species: the destruction of the rainforest, caused by logging and agriculture, seriously threatens its survival. It is also notoriously difficult to keep in captivity, which makes the protection of its natural habitat the only real hope for its future.

Pros

  • The largest living lemur
  • Unique powerful, melodious songs
  • Seems to possess a sense of rhythm
  • Elegant and fascinating in appearance

Cons

  • Critically endangered species
  • Depends on the rainforest
  • Does not survive in captivity

FAQ

Why does the indri sing?
Indri family groups communicate through powerful, melodious songs that resound for kilometres through the forest. These calls, which can last several minutes, serve to mark the territory and to keep contact between groups.
Why is its tail so short?
Unlike most other lemurs, which have long tails, the indri has a greatly reduced, barely visible tail. This gives it an unusual silhouette that immediately distinguishes it from the other lemurs of Madagascar.
Is it true it has a sense of rhythm?
Yes, it is a remarkable discovery: the indri seems to possess a genuine sense of rhythm in its songs, a very rare characteristic in the animal world, shared with very few other species besides humans.
Can it be kept in captivity?
No, the indri is notoriously very difficult to keep in captivity and does not survive there. For this reason the protection of its natural habitat, the rainforests of north-eastern Madagascar, is the only real hope for its future.

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