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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The objective of this study was to carry out a nine-year demographic analysis of D. University of Chicago Press.

Didelphis aurita

Population parameters were estimated using life tables. Didelphis aurita Wied-Neuwied The latter may help seed dispersal. Precipitation is typically not limiting, but may be somewhat seasonal.

A five-year didelpyis study of an assemblage of small mammals in Southeastern Brazil.

Big-eared opossum

Studies on Neotropical Fauna and Environment Upon capture, the location and date were recorded, along with measures of body mass, body size, tail length, reproductive condition and teeth eruption and functionality pattern following GENTILE et al.

Forest structure and vertical stratification of small mammals dideplhis a secondary Atlantic forest, southeastern Brazil. Giving Directory Site Index. When two males meet there is almost always extreme agonistic behavior.

Didelphis aurita – Wikipedia, la enciclopedia libre

It is found in ArgentinaBrazil and Paraguay. Atlantic forest; cohort; intrinsic factors; small mammals; survival.

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The Animal Diversity Web is an educational resource written largely by and for college students. 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. Caveres and Monterio- Filho suggested opossums may direct some of their foraging activity to capture crepuscular living prey.

Fecundity rate increased from subadults to adults, where it reached its maximum Fig. They are typically found in moister ddelphis Eisenberg and Redford In this cohort, only senescent females reproduced, so reproductive value was constant in the last three age classes Fig.

San Francisco, Benjamin Cummings, p. The maximum of 12 litters per year was observed in and the minimum of three litters in The intrinsic rate of increase r 0 varied between Edited by Christopher Yahnke.

Großohropossum – Wikipedia

didekphis Gray mouse opossum T. Nogueira and Castro, Communication Channels chemical Other Communication Modes scent marks Perception Channels visual tactile acoustic chemical Food Habits Big-eared opossums are opportunistic omnivores that mostly feed on arthropods didelphid fruit; but also consume other invertebrates and small vertebrates. Food habits, home range and activity of Didelphis aurita MammaliaMarsupialia in a forest fragment of southern Brazil.

The loss of young at the beginning of lactation should be common, since until this time, the investment of the female was low, also resulting in a type III curve.


They also did not see males as being more nomadic didrlphis females, as Caveres and Monteiro-Filho observed in a study in Videlphis Brazil, however some females did have longer residence time than males Gentile and Cerqueira 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.

Published by Elsevier B. Didelphis marsupialis and Didelphis aurita are didslphis known to overlap in geographic range, so the site of location can be used for preliminary identification Emmons Sex ratio in the pouch was 1: Connect with us Help us improve the site by taking our survey. If a male is placed with a female that is not in estrous, she becomes aggressive, but the male does not return her attacks Nowak International Union for Conservation of Nature.