Baboons: The Monkeys With the Scarlet Booties | HowStuffWorks
Monkey | Definition, Characteristics, Types, Classification, & Facts | Britannica
Red Bottom Monkeys of the World
An Artist's Life For Me!: Blue Bottoms and Funny Faces
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Monkey Mania: World's largest and most colorful monkey - CGTN
Phoenix Zoo - Mandrills are the largest of all monkey species. These monkeys are easily identified by the blue and red skin on their faces, as well as their brightly hued bottoms.
Monkey Mania: World's largest and most colorful monkey - CGTN
New species of 'owl faced' monkey discovered - after its unique bright blue bottom | AnandTech Forums: Technology, Hardware, Software, and Deals
The Monkey with a Bright Blue Bottom
Africa: blue-butt-monkey
Blue rump marks monkey as a new species
Red Butt-Monkey: Unraveling the Mysteries of Red Rumps | by Anum Najeeb | Medium