“The first naturalist to have described the species, a Frenchman called Sonnerat, was walking one day in the rain forest, when his local guides pointed to a large lemur sitting high in the trees. ‘Indri, indri,’ they said. Sonnerat, understandably, wrote down a description of the animal they had shown him and noted that it was called ‘indri’. Unfortunately, the word is an expostulation in the local language which means simply, ‘Look at that’.