Brazilian gracile opossum habitats than more purely arboreal animals. It has also been found in artificial plantations. There are no recognised subspecies. Brazilian gracile opossums are arboreal and nocturnal, spending the day nesting in tree hollows. They are solitary animals, with each individual inhabiting a home range of anything from , depending on habitat. Males tend to have larger home ranges than females, presumably because, being larger, they require more food. The species is insectivorous, and is an opportunistic forager, not specialising in any particular kind of insect. Individuals have also been reported to eat some spiders, snails, and even fruit (including passionfruit).
Monte Cristo arboreal alligator lizard disappearing. Some scientists estimate that the cloud forests will disappear in the near future. These cloud forests are a major place of biodiversity. "A. montecristoi" is just one of a vast number of species that call these forests home. Conservation efforts are currently being made by the Tropical Montane Cloud Forest Initiative which is made up of three conservations program consisting of the United Nations Environment Program, the World Conservation Union, and the World Wide Fund for Nature. Monte Cristo arboreal alligator lizard The Monte Cristo arboreal alligator lizard ("Abronia montecristoi" ) is an endangered species of lizard. This species