Animal testing on non-human primates between the monkeys natural behaviors versus the behaviors expressed by the diazepam induced monkeys in thirteen different locations inside the maze. Scientist Barros and his colleagues created this model to allow the monkeys to roam a less confined environment and slightly eliminate outside factors that may induce stress. Many of the best-known allegations of abuse made by animal protection or animal rights groups against animal-testing facilities involve NHPs. The so-called "pit of despair" was used in experiments conducted on rhesus macaque monkeys during the 1970s by American comparative psychologist Harry Harlow at the University of Wisconsin–Madison.<ref name="Blum1994/95">Blum, Deborah. "The Monkey
Moor macaque area. Only 1000 moor macaques are estimated to be left in Sulawesi. Because several Sulawesi macaque species are endangered, information on ecology and behaviour is essential and conservation management plans are being designed. Moor macaque The moor macaque ("Macaca maura") is a macaque with brown/black body fur with a pale rump patch and pink bare skin on the rump. It is about 50-58.5 cm long, and eats figs, bamboo seeds, buds, sprouts, invertebrates and cereals in tropical rainforests. It is sometimes called "dog-ape" because of its dog-like muzzle, although it's no more closely related to apes than any other Old