Allen's swamp monkey Smithsonian's National Zoo and Conservation Biology Institute

Smithsonian's National Zoo and Conservation Biology Institute

Allen's swamp monkey Smithsonian's National Zoo and Conservation

Allen's swamp monkey San Diego Zoo Wildlife Explorers

Wild Inside the National Zoo: Primate Parenthood

Allen's Swamp Monkey, monkey

Meet the Animals Smithsonian's National Zoo and Conservation

Two Species of Guenons on Exhibit at the Smithsonian's National

Allen's Swamp Monkey

It's taken 30 humans to raise this motherless monkey at the zoo

Allen's Swamp Monkey Characteristics

Allen's Swamp Monkey Science Q&A Smithsonian's National Zoo and