Allen’s Swamp Monkey
Estimated Wild Population
Allen's swamp monkeys are strong primates covered in grayish-green fur. Males are much larger than females. These tree-dwellers forage on the ground and browse for fish and insects in shallow water. Like most other guenon monkeys, they are quite intelligent and curious; they are often seen manipulating objects.
Interesting Fact 1
Allen's swamp monkeys communicate through gestures and calls. Males emit a deep, throaty croak while younger individuals produce a chipring sound, often to indicate alarm.
Interesting Fact 2
Webbed fingers and toes enable them to swim very well. They will often dive into water to elude predators, such as eagles and snakes.
Interesting Fact 3
Lincoln Park Zoo scientists study their memory and problem-solving by presenting them with complex tasks.
Commitment to Care
Lincoln Park Zoo prioritizes individual well-being over everything else. Guided by scientific research, staff and volunteers work to provide the best welfare outcomes for each individual in the zoo’s care.
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Wildlife face many daunting challenges—some global, like planet-wide climate change, and some that affect individuals, like an animal ingesting plastic—but now is not the time to despair. None of these problems are too big for us to come together and solve.