Food Habits, Home Range and Activity of Didelphis aurita (Mammalia, Marsupialia) in a Forest Fragment of Southern Brazil

  title={Food Habits, Home Range and Activity of Didelphis aurita (Mammalia, Marsupialia) in a Forest Fragment of Southern Brazil},
  author={Nilton Carlos C{\'a}ceres and E. L. A. Monteiro-Filho},
  journal={Studies on Neotropical Fauna and Environment},
  pages={85 - 92}
Relationships between food habits, home range and activity of the black-eared opossum, Didelphis aurita (Marsupialia, Didelphidae), were studied in an urban forest fragment (5 ha) of southern Brazil from February 1995 to January 1996. Captures were performed weekly using 30 live-traps placed uniformly in the study area. Diet was determined through faecal analysis, home ranges were calculated through the Minimum Convex Polygon method and the activity period was assessed from the time of captures… 

Food Habits and Seed Dispersal by the White-Eared Opossum, Didelphis albiventris, in Southern Brazil

The food habits and seed dispersal promoted by the marsupial Didelphis albiventris were investigated in two forest fragments of Curitiba, southern Brazil between February 1995 and February 1997 and it is concluded that this omnivorous opossum must be an effective seed disperser in southern Brazil.

Use of the space by the opossum Didelphis aurita Wied-Newied (Mammalia, Marsupialia) in a mixed forest fragment of southern Brazil

Males probably searched primarily for mates during the breeding season being less opportunistic than females in feeding habits, yet their space use did not correlate to food consumption.


Invertebrates were the most frequent food category found in samples of both species, followed by fruits and vertebrates, and there were no differences in the consumption of invertebrates, vertebrates and fruits between sexes in the two species.

Home-range and space use by Didelphis albiventris (Lund 1840) (Marsupialia, Didelphidae) in Mutum Island, Paraná river, Brazil

Home-range is the area used by an animal in its daily activities. Home-range studies provide data on species mating systems and territorial behavior. Our main goal was to estimate the Didelphis

Diet of Didelphis albiventris Lund, 1840 (Didelphimorphia, Didelphidae) in two periurban areas in southern Brazil

Didelphis albiventris displayed a frugivorous-omnivorous habit, with no difference between the sexes with respect to composition and frequency of the items consumed, and may have an important role in the recovery of degraded areas through the dispersal of seeds of species of initial successional stages.

Home range and shelter preferences of marsupial Didelphis aurita (Wied-Neuwied, 1826) in a fragmented area in southeastern Brazil

Abstract Didelphis aurita (Wied-Neuwied, 1826) is a marsupial common in the Atlantic Forest and Cerrado but understudied. Thus, we estimated the size of the home range and shelter preferences for

Occasional intraguild predation structuring small mammal assemblages: the marsupial Didelphis aurita in the Atlantic Forest of Brazil

The clear avoidance of D. Aurita by all small mammals tested in two localities of different physiognomies indicates that it functions as an intraguild predator, even if actual predation by D. aurita is an occasional event.

Potential seed dispersal by Didelphis albiventris (Marsupialia, Didelphidae) in highly disturbed environment

This work analyzed the contribution of Didelphis albiventris Lund (1840), as a seed disperser, to the vegetation renewal of an urban forest fragment, describing its frugivorous diet and testing the viability of ingested seeds.

Diet of "Didelphis aurita" and "Micoureus paraguayanus" and the fruit availability in a semideciduous Atlantic forest in Southern Brazil

The largest diversity indexes observed for both species in faeces and in the environment occurred during the rainy season, and both species presented insects in their diets, but with natural tendency to consume fruits or vertebrates.



Feeding and reproduction of three didelphid marsupials in two neotropical forests (French Guiana)

The reproductive patterns of three didelphid marsupial species were studied in secondary and mature forest in French Guiana in relation to food supply and seasonal variation, and survival rate of pouch young was higher for C. philander and P. opossum in the mature forest.

Les mammifères frugivores arboricoles nocturnes d’une forêt guyanaise : inter-relations plantes-animaux

The relationships between a community of nine nocturnal frugivorous mammal species and the plants on which they feed were studied during 14 consecutive months in a secondary forest near Cayenne, French Guiana to identify the massive, irregular, and unpredictable fruiting cycles of these species.

Home-range size and territoriality in Bolomys lasiurus (Rodentia: Muridae) in an Amazonian savanna

The population at Alter do Chao appears to be more stable than those in other areas and it never recorded zero densities, indicating that either mortality or dispersal was less than in previous studies.

Use of space by the marsupial Micoureus demerarae in small Atlantic Forest fragments in south-eastern Brazil

Deinerauae in the small fragments of the AlIicoureus demlerarae displays a metapopul- ation structure, although possibly an atypical one where only males disperse, and a negative correlation was found between homiie range sizes and population densities.

La frugivorie opportuniste de trois Marsupiaux Didelphidés de Guyane

These Didelphids have an opportunistic frugivorous diet, without any obvious mutualistic relation with vegetation, Nevertheless fruits are essential for them during lactation, the sugars they contain helping the females to cover their increased energy needs during this period.

Home range and social organization of the singing vole (Microtus miurus)

Intensive live-trapping over four summers revealed that neither population density nor season affected the home-range size of singing voles, and seasonal patterns of overlap for reproductive animals suggested thatsing voles have a promiscuous mating system and territorial behavior is flexible.

The mating system and male mating success of the Virginia opossum (Didelphis virginiana) in Florida

Radio-tracking males and females revealed that, independent of body size, males doubled their home ranges during these periods to include an average of 5.9 females within their new ranges, and there was also evidence that male breeding activities entailed a survival cost.

Population Dynamics of Neotropical Small Mammals in Seasonal Habitats

Populations of all small-mammal species fluctuated in response to seasonal and yearly variations, and the timing and magnitude of these fluctuations were related to population traits and ecology of each species.

The Recent Mammals of the Neotropical Region: A Zoogeographic and Ecological Review

  • P. Hershkovitz
  • Environmental Science, Geography
    The Quarterly Review of Biology
  • 1969
The Neotropical Region, which is defined on the basis of its living mammals, is comprised of the Brazilian, Patagonian, and West Indian Subregions. The Middle American Province of the Brazilian

Bioenergetics and the Determination of Home Range Size

  • B. McNab
  • Environmental Science
    The American Naturalist
  • 1963
The home range size affects population density, which in turn influences the behavior in the population, and the largest hunters appear to have their food habits regulated by considerations of the efficient use of the food materials in their home range.