File:Red-eared Guenon area.png

Commons Attribution-Share Alike 3.0 Unported license. Attribution: IUCN Red List of Threatened Species, species assessors and the authors of the spatial

Heads of guenon monkeys from lateral. 1: Campbell's Mona Monkey, 2: Lowe's Mona Monkey, 3: hybrid Bioko Putty-nosed Monkey × ?Bioko Red-eared Guenon, 4: Schmidt's

Heads of guenon monkeys from lateral. 1: Campbell's Mona Monkey, 2: Lowe's Mona Monkey, 3: hybrid Bioko Putty-nosed Monkey × ?Bioko Red-eared Guenon, 4: Schmidt's

Monkey, 2: L'Hoest's Monkey, 3: Moustached Guenon, 4: Nigerian White-throated Guenon, 5: Red-eared Guenon, 6: Common Patas Monkey Date 1907 Source Proceedings