Although the exact number of Indri inhabiting Madagascar today is unknown, there are thought to only be up to 10,000 individuals left in the wild. Other estimates are more concerning claiming that there may be as few as 1,000 Indri remaining, but they are now protected with the listing as an endangered species. One of the biggest worries to science is that the Indri does not do well in captivity meaning that captive breeding programs to try and rehabilitate the dying populations are likely to be unsuccessful.