Morley Read / Mouse opossum (Marmosa sp.) on the branch of a rainforest shrub at night, Pastaza Province, Ecuadorian Amazon. (non-ex)

Konrad Wothe / Virginia Opossum (Didelphis virginiana) female hissing from tree cavity, North America

Steve Gettle / Virginia Opossum (Didelphis virginiana), native to North America

Claudio Contreras / Gray four-eyed opossum (Philander opossum), Catemaco Lake, Los Tuxtlas Biosphere Reserve, Mexico, July

Lucas Bustamante / Juvenile Mouse opossum (Marmosops impavidus) feeding on moth, Pinas, El Oro, Ecuador.

Lucas Bustamante / Mouse opossum (Marmosops impavidus) on branch, Pinas, El Oro, Ecuador.

Lucas Bustamante / Juvenile Andean mouse opossum (Marmosops impavidus) eating a moth, El Oro, Ecuador.

Paul Bertner / Mouse Opossum (Marmosa sp), Yasuni National Park, Ecuador

David Tipling / Common opossum (Didelphis marsupialis) at night, Canopy Camp, Darien National Park UNESCO World Heritage Site, Panama.

Sebastian Kennerknecht / Common Opossum (Didelphis marsupialis) joeys on mother, Tortuguero National Park, Costa Rica

Sebastian Kennerknecht / Common Opossum (Didelphis marsupialis) mother with joeys in tree, Tortuguero National Park, Costa Rica

Sebastian Kennerknecht / Common Opossum (Didelphis marsupialis) mother with joeys in tree, Tortuguero National Park, Costa Rica