 The clouded leopard is a potential predator, but its numbers are low enough that it is not the langur's greatest threat.Aerial predators such as the crested serpent eagle and the mountain hawk-eagle are a greater threat to François' langurs of Nonggang, especially to their young.Despite the extreme and continuing decline in the Francois' langur population, the actions being taken towards the conservation of this species and its habitat are still somewhat minimal.