Alouatta guariba Leave a Comment / Mammals, Natural History / By Nathan Smith [box] About this taxon Common names: brown howler monkey, bugio, bugio-marrom Order: Primates Family: Atelidae Genus: Alouatta Species: Alouatta guariba Conservation status: Vulnerable (VU) [/box] [box] Observations Obs. (R. Rizzaro). Obs. (R. Rizzaro). [/box]