クロザル
net/publication/227949372_Population_densities_of_Sulawesi_crested_black_macaques_Macaca_nigra_on_Bacan_and_Sulawesi_Indonesia_Effects_of_habitat_disturbance_and_hunting.
Rosenbaum, B.; Southwick, C.; Supriatna, J.; Muskita, Y.; Yunuar, A.; Sinaga, R.; Sapulette, R. (1998b). “A survey of population and habitat of the Sulawesi crested-black macaque (Macaca nigra) on Bacan Island, Maluku, Indonesia”. Tropical Biodiversity 5 (2): 139-154.
Bynum, E.; Kohlhaas, A.; Pramono, A. (1999). “Conservation status of Sulawesi macaques”.