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The opossum lifespan is unusually short for a mammal of its size, usually only one to two years in the wild and as long as four or more years in captivity. Senescence is rapid. [37] Opossums are moderately sexually dimorphic with males usually being larger, heavier, and having larger canines than females. [36]
Virginia opossums can vary considerably in size, with larger specimens found to the north of the opossum's range and smaller specimens in the tropics. They measure 33–55 cm (13–22 in) long from their snout to the base of the tail, with the tail adding another 25–54 cm (9.8–21.3 in).
The common opossum (Didelphis marsupialis), also called the southern or black-eared opossum [2] or gambá, and sometimes called a possum, is a marsupial species living from the northeast of Mexico to Bolivia (reaching the coast of the South Pacific Ocean to the central coast of Peru), including Trinidad and Tobago and the Windwards in the Caribbean, [2] where it is called manicou. [3]
The elegant fat-tailed mouse opossum is a medium-sized opossum characterized by white limbs, gray to light brown coat, lighter flanks and underbelly, and a thick 12.7–14.6 centimetres (5.0–5.7 in) long tail covered with hairs. A prominent facial feature is the black ring around either eye; the rings slightly extend toward the nose.
Hibernation is a state of minimal activity and metabolic depression undergone by some animal species. Hibernation is a seasonal heterothermy characterized by low body-temperature, slow breathing and heart-rate, and low metabolic rate. It is most commonly used to pass through winter months – called overwintering.
The six species in the genus Didelphis, commonly known as Large American opossums, are members of the opossum order, Didelphimorphia. The genus Didelphis is composed of cat -sized omnivorous species, which can be recognized by their prehensile tails and their tendency to feign death when cornered.
Click's are a common vocalization, produced by the young as well as adults. Bare-tailed woolly opossums, like other Caluromys species, will bite on being handled or to escape predators. [8] Predators include the jaguarundi and margay. [13] The Bare-tailed woolly opossum is a host of the Acanthocephalan intestinal parasite Gigantorhynchus lutzi ...
The big lutrine opossum ("lutrine" means "otter-like" and "crass" meaning "thick, fat" and "cauda" meaning "tail") is a very peculiar opossum, having a long weasel-like body, short legs, small rounded ears, and dense reddish or yellowish fur. [3] Nocturnal and crepuscular, they generally live in grasslands and savannas near water. They are ...