Crab-eating macaque DNA transfer method that produced "Dolly" the sheep. This makes Zhong Zhong and Hua Hua the first primates to be cloned using the somatic cell nuclear transfer method. Crab-eating macaque The crab-eating macaque ("Macaca fascicularis"), also known as the long-tailed macaque, is a cercopithecine primate native to Southeast Asia. It is referred to as the cynomolgus monkey in laboratories. It has a long history alongside humans; they have been alternately seen as agricultural pests, sacred animals in some temples, and more recently, the subject of medical experiments. The crab-eating macaque lives in matrilineal social groups with a female dominance hierarchy,
White-cheeked macaque "Macaca". In terms of outward appearance, it closely resembles the Assam macaque, which is one of the reasons the two were believed to be the same species until recently. The main differences between the two include the presence of white, elongated whiskers on the face of the white-cheeked macaque, which are absent from other species. The whiskers begin to grow as the creatures approach sexual maturity, and eventually cover the whole face, giving the animals a rounded facial appearance. The white-cheeked macaque also grows dense hair along its neck, while not growing any hair along its short tail. Additionally, there