Lion-tailed macaques live on a diet of primarily fruit, seeds, mushrooms, flowers, young buds and animal prey. These macaques are quadrupedal and arboreal. They are active during the day. Lion-tailed macaques live in groups with one or two males with many females. These monkeys, like Japanese macaques are good swimmers. Reconciliation after a fight in initiated by the aggressor. Like Japanese macaques, these macaques have been seen using tools. They are the only macaques with a male territorial spacing call.