
Indri (Indri indri), Madagascar.
Image: Charles J. Sharp, CC BY-SA 4.0, via Wikimedia Commons.
At a glance
- IUCN category
- CR · Critically Endangered
- Animal group
- Mammals
- Population trend
- Decreasing
- Last verified
Conservation overview
The indri is the largest living lemur, famous for its loud, haunting songs that carry through Madagascar's forests. It is assessed as Critically Endangered.
It is a leaf-eating, tree-dwelling primate that lives in small family groups and does not survive well in captivity.
Range & habitat
Rainforests of eastern Madagascar.
Major threats
Threats below are drawn from the authoritative sources listed on this page. For the current, complete assessment, see the IUCN Red List.
- Deforestation and slash-and-burn agriculture
- Hunting
- Habitat fragmentation
Why it matters
As a large leaf-eater found only in Madagascar, the indri is both an evolutionary treasure and a flagship for the island's vanishing eastern rainforests.
Gallery

Indri (Indri indri).
Image: Erik Patel, CC BY-SA 3.0, via Wikimedia Commons.
Sources
Sources for Indri
- IUCN Red List — look up Indri (authoritative status)
- Animal Diversity Web
Frequently Asked Questions
Why is the indri famous for singing?
Why is the indri Critically Endangered?
Last updated:

