AnAge entry for Didelphis aurita. Classification (HAGRID: ). Taxonomy Genus: Didelphis; Species: Didelphis aurita; Common name: Big-eared opossum . Didelphis aurita was long considered a subspecies of Didelphis marsupialis, however recent DNA evidence places Didelphis aurita as its own species. Parasitol Res. Jan;(1) doi: /s Epub Dec 1. Identification of opossums Didelphis aurita (Wied-Neuweid, ).

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Greene, ; Hagmann, Known Predators ocelots Leopardus pardalis mountain lions Puma concolor jaguarundis Herpailurus yaguarondi jararacas Bothrops jararaca Ecosystem Roles Big-eared opossums and other South American marsupials are the preferred host of the tick species Ixodes loricatus.

Neotropical living in the southern part of the New World. Didelphis aurita Wied-Neuwied Vertebrate Collection The Department of Biology. Morphometric differentiation between neotropical Black-eared opossums, Didelphis marsupialis and D.

In response to a predator, big-eared opossums may act like their relative Virginia opossums and “play possum”, or feign death to fool a predator. A taxa de fecundidade foi inversamente correlacionada com a sobrevida, o valor reprodutivo inversamente correlacionado com a mortalidade e o valor reprodutivo residual inversamente correlacionado com a taxa de fecundidade.

They will aurta the fossorial snake Cobra-cega Liotyphlops beui.

Didelphis aurita

Kalinowski’s mouse opossum H. From Wikipedia, the free encyclopedia.

In other projects Wikimedia Commons Wikispecies. The ability of Didelphis aurita to ddelphis may explain the high fruit occurrence in its diet Santori etal Individuals born at the end of the current breeding season are able to reproduce at the start of the next breeding season.

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The Rufous-bellied Thrush Turdus rufiventris is the highest consumed vertebrate in their diet, but the Parana Grass mouse Akodon paranaensis and Black-footed Pygmy rice rat Oligoryzomys nigripes are frequently consumed rodents Caveres and Monteiro-Filho Journal of Biogeography Mammal tracking and nest location in the Brazilian forest with and improved spool-and-line device.

Contrasting effects of fire on populations of two small rodent species in fragments of Atlantic forest in Brazil. The opossum can be considered a good mammalian model for the use of life tables, because of its large population size, especially in disturbed areas and around dwellings, ease of capture and ability to capture and mark young in the pouch. Oats, banana, peanut butter and bacon were used as bait. Support diameter, incline, and vertical movements of four didelphid marsupials in the Atlantic forest of Brazil.

Individuals must be followed from birth to death, which can be difficult.


Retrieved from ” https: All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License. Studies on Neotropical Fauna and Environment Wikispecies has information related to Big-eared Opossum.

Females from these cohorts produced one litter per season, except for two females, that each had two litters during one breeding season. The greatest residual reproductive values were those of young and subadults Fig. Animals were captured in the three grids during five days every other month between April April They also did not see males as being more nomadic than females, as Caveres and Monteiro-Filho observed in a study in Southern Brazil, however some females did have longer residence time than males Gentile and Cerqueira Few adults survived from one breeding season to the next and turnover rates were high each year.


Average body mass of Didelphis didelphiw ranges aurlta grams. This scansorial behavior may allow for some resource partitioning and alleviate some competition between big-eared opossums and other opossums in the area, like the terrestrial brown four-eyed opossums and the arboreal bare-tailed woolly opossums.

ADW: Didelphis aurita: INFORMATION

Movement patterns of five species of small mammals in a Brazilian restinga. Females can weigh anywhere from 1, to 1, grams in the reproductive season. After the young are born, they climb unassisted to the nipple area, where the mother will transport the entire litter attached to her teats for the first 5 or 6 weeks of their development.

Big-eared opossums live in Atlantic rainforests, secondary Atlantic forests, and Araucaria highlands. Demografia do marsupial Didelphis aurita Didelphimorphia: