Southern Patas Monkeys have a lanky and long-limbed appearance. Juveniles possess a reddish-brown crown which may become grey in adults. Their back and flanks are covered with shaggy reddish fur with their bellies are white or cream. There are sex differences and males are on average twice as large (4-7 kilos) as females. Southern Patas Monkeys are predominantly omnivores and feed on pods, seeds, gall, gum, flowers and young leaves acacia trees.