Nocturnal primates, such as the night monkeys and bush babies, are often monochromatic. Two other monkeys, Nal and Neel, join the monkey army. The latter was closely related to tarsiers, monkeys, and apes. Nests are vulnerable to snakes, monkeys and opossums. She also acquired a menagerie of dogs, monkeys and caged birds. Among the predators of these monkeys is the common chimpanzee. These terracotta figurines included cows, bears, monkeys, and dogs. Induced parthenogenesis in mice and monkeys often results in abnormal development. The outbreak was traced to laboratory work with vervet monkeys from Uganda. Like some New World monkeys, opossums have prehensile tails. In 675 AD, Emperor Tenmu prohibited the eating of horses, dogs, monkeys, and chickens. Their frugivorous habits are actually convergent with those of (diurnal) spider monkeys. Proboscis monkeys belong to the subfamily Colobinae of the Old World monkeys. Their rolls summon big mosquitoes and a swarm of monkeys. Mandrills are the world's largest monkeys.