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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Captures may include only females, under the assumption that all females are available for fertilization by the males, since reproduction, and thus demographic data, comes from the females STEARNS This page was last edited on 1 Mayat Perhaps this was an artifact of finding no reproductive females during this year, except among the senescent class. University of Chicago Press.

Possible economic benefits may include ecotourism because of their abundance in tropical rainforests. Geoffroy, and Didelphis aurita Wied, Marsupialia, Didelphidae. From Wikipedia, the free encyclopedia.

In fragmented forest areas, specifically where large predators are absent, species of Didelphis tend to increase in abundance. The underfur is described as a dirty yellow color with the overhairs being black or grey.

Population dynamics and reproduction of marsupials and rodents in a Brazilian rural area: Most fruits are consumed during the wet season since that is when the most are available.

Ingested vertebrates include rufous-bellied thrushesthe snake Liotyphlops beuisoutheastern four-eyed opossumsfish and other small mammals. In the present work, we describe a new species of Aspidodera parasite of the large intestine of Didelphis aurita Mammalia: Eisenberg and Redford, ; Gentile, et al. While ADW staff and contributors provide references to books and websites that we believe are reputable, we cannot necessarily endorse the contents of references beyond our control.


Epiphytes and climbing plants are also abundant. auritz

Caceres, ; Nogueira and Castro, Mating System polygynandrous promiscuous In the case of big-eared opossums, the breeding season coincides with the wet season, when fruit is most abundant. Big-eared opossum [1] Conservation status. Male big-eared opossums tend to be larger than females.

Click to expand mobile Site Navigation. Basic understanding of mammalian demography in tropical forests like the Atlantic Forest requires the study of common and dominant species, such as D.

Classes de desenvolvimento em marsupiais: Average number of offspring 7 Average number of offspring 6. Studies on Neotropical Fauna and Environment36 2: Small mammal populations of an agroecosystem in the Atlantic Forest domain, Southeastern Brazil.

Females were classified into five age classes. Fecundity rate in the and cohorts for the senescent class was zero. Genetic and demographic structure in a population of Ctenomys lami Rodentia-Cteno-myidae. Males have a much larger didelphks range of 2. These studies also permit a better understanding and analysis of tradeoff relationships, such as between diddlphis and fecundity STEARNS In fact, this species was once considered a subspecies of D.

Young had the greatest life expectancy values e xfollowed by subadults Fig. Didelphis aurita and Didelphis marsupialis have undergone divergence at both the DNA and morphometric levels, but qualitative aspects of their skull morphology appear unchanged.

Canadian Journal of Zoology The ears are black and the tail is furred at the base as long as the hind leg, with black and white didlphis nearly of equal length, or sometimes the black parts being longer Emmons Despite it being a national park, the forest in the study area suffers from a variety of human wurita, such as dirt roads and cottages. Species within this genus have many morphological similarities. Few adults direlphis from one breeding season to the next and turnover rates were high each year.


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. The use of scanning electron microscopy allows the specific characterization of the species within this genus.

Didelphis aurita

Of these, females were captured, 27 of which were recaptured after weaning and nine of which lived for more than 16 months Tab. Generation time for the cohort was atypical and almost as twice as high compared to the preceding and following years.

Total monthly rainfall varied from a minimum of 0. Variation in the latitudinal reproductive pattern of the genus Didelphis Didelphimorphia, Didelphidae. Population dynamics of neotropical small mammals in seasonal habitats. Fecundity was inversely correlated with survival, reproductive value was inversely correlated with mortality and residual reproductive value was inversely correlated with fecundity.

It has been argued that big-eared opossums are exclusively terrestrial didlephis only go into trees to escape flooding, but other studies have shown that using proper techniques, big-eared didepphis can be trapped or tracked in trees as frequently as on the ground.

Big-eared arita and other South American marsupials are the preferred host of the tick species Ixodes loricatus.

Didelphis aurita – Wikipedia, la enciclopedia libre

The greatest residual reproductive values were those of young and subadults Fig. Ixodidae on small wild didelphiw from an Atlantic forest in the state of Sao Paulo, Brazil. Monographs on marsupial biology.