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

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.

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

Melvin Grey / Murine Opossum (Marmosa murina) adult, Mindo area, Ecuador

Nick Hawkins / Woolly opossum (Caluromys derbianus) Nicoya Peninsula, Costa Rica. January 2015.

Suzi Eszterhas / Virginia opossum (Didelphis virginiana) orphaned babies age ten weeks, eating chopped grape. Their mother was hit by car. WildCare, San Rafael, California, USA, April.

Suzi Eszterhas / Virginia opossum (Didelphis virginiana) orphans age ten weeks, their mother having been hit by a car, WildCare, San Rafael, California, USA, April 2013.

Suzi Eszterhas / Virginia opossum (Didelphis virginiana) orphaned baby age ten weeks, clinging to foster mother's fingers. Their mother was hit by car. WildCare, San Rafael, California, USA, April. Model released.

Claudio Contreras Koob / Virginia opossum (Didelphis virginiana), Milpa Alta forest, Mexico, June