Allen's Swamp Monkeys - Detroit Zoo

Allen's Swamp Monkeys at Brookfield Zoo

Cleveland Metroparks Zoo welcomes baby Swamp Monkey

Allen's Swamp Monkey, The Smithsonian's National Zoo recent…

Allen's Swamp Monkey

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Allenopithecus nigroviridis / Allen's swamp monkey in San Diego Zoo

Detroit Zoo on Instagram: World Monkey Day fun fact! Allen's swamp monkeys like Azizi and Pepper are very social animals and will use gestures and calls to communicate with each other. These

Allen's Swamp Monkeys - Detroit Zoo

First a bear, now 2 monkeys escape habitat at St. Louis Zoo

Animal Spotlight: Allen's Swamp Monkeys