Indri

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Indri EncyclopediaBritannica Vol.11 P.501

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Description iconographique comparée du squelette et du système dentaire des mammifères récents et fossiles (Indri indri)

INDRI-1

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Indri (Indri indri), also known as the babakoto, is one of the largest living lemurs and is native exclusively to the island of Madagascar. Characterized by its striking black and white fur and absence of a tail, the indri is a significant figure in Malagasy culture and folklore. This primate belongs to the family Indriidae, which it shares with its smaller relatives, the sifakas and the woolly lemurs.

Description

The indri is notable for its large size, with some adults reaching up to 70 cm (27.5 inches) in body length, making it the largest lemur species currently living, if one does not consider the length of the tail, which is only a small stump in indris. Its fur is predominantly black with white patches, which can vary significantly between individuals in terms of pattern and extent. The indri has a distinctive face with large, green eyes and small ears that are often hidden within its fur.

Habitat and Ecology

The indri inhabits the dense, tropical rainforests of eastern Madagascar. It is a diurnal and arboreal animal, spending most of its life in the trees. The indri practices a form of locomotion known as vertical clinging and leaping, which allows it to move efficiently between trees. Its diet primarily consists of leaves, fruits, and flowers, with a particular preference for certain types of leaves.

Behavior and Social Structure

Indris live in small, family groups typically comprising 2 to 6 individuals, which are thought to be monogamous pairs and their offspring. They are territorial animals, with territories ranging from 10 to 40 hectares. Vocal communication plays a crucial role in their social interactions, with the indri being known for its loud, haunting calls that can be heard for over 2 km. These calls serve various purposes, including maintaining group cohesion, defending territory, and possibly even locating other groups in the dense forest.

Conservation Status

The indri is classified as Critically Endangered on the IUCN Red List due to habitat destruction, hunting, and a low reproductive rate. Deforestation for agriculture, logging, and mining has fragmented its habitat, severely impacting its population. Conservation efforts are in place, including legal protection within Madagascar and the establishment of protected areas, but the indri's future remains uncertain.

Cultural Significance

In Malagasy culture, the indri is often revered and considered taboo to hunt or harm. It is associated with several myths and legends, reflecting the Malagasy people's respect and admiration for this unique animal. The indri's mournful calls are often interpreted in folklore as the wails of spirits or ancestors, further embedding it within the cultural fabric of Madagascar.