Anup Shah & Fiona Rogers Weighing under a pound at birth, lion-tailed macaques nurse for up to a year. Anup Shah & Fiona Rogers Near an old plantation, a young macaque, not quite an adult ...

Typically, a troop of lion-tailed macaques will number around 30 individuals. But this group, under the strong leadership of alpha male Rajan, is 80 strong—and counting. National Treasure ...