世界自然保护联盟IUCN：：2024年-2028年Cercocebus和Mandrillus保护行动计划报告（英文版）

As with red colobus conservation planning, outlined in the recently published Red colobus (Piliocolobus) conservation action plan 2021–2026[1], the origins of this plan go back to the early days of primate conservation efforts, although there has been less of a focus on mangabeys (Cercocebus) and mandrills and drills (Mandrillus) over the past four decades than on Piliocolobus, and certainly far less than on the African apes. One of the earliest mentions of the need for conservation measures