Aotus lemurinus (Lemurine Night Monkey)
Aotus lemurinus I. Geoffroy Saint-Hilaire, 1843
This gray-necked monkey species has a karyotype number of 2n=58. It is a woolly species with long hair (Fernández-Duque et al., 2013). Its coloration is variable, often with two basic color phases, which can be found within the same family group (Defler, 2003). The upperparts vary from buffy gray…