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As marsupials, female opossums have a reproductive system that includes a bifurcated vagina and a divided uterus; many have a pouch. [29] The average estrous cycle of the Virginia opossum is about 28 days. [30] Opossums do possess a placenta, [31] but it is short-lived, simple in structure, and, unlike that of placental mammals, not fully ...
This is a list of mammals in Indiana. A total of 60 species are listed. Species currently extirpated in the state include the black bear, gray wolf, elk, American marten, cougar, fisher, porcupine, and bison. [1] The following tags are used to highlight each species' conservation status as assessed by the International Union for Conservation of ...
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]
Compared to other mammals, including most other marsupials except dasyuromorphians, opossums have unusually short lifespans for their size and metabolic rate. [ 48 ] [ 49 ] The Virginia opossum has a maximal lifespan in the wild of only about two years. [ 50 ]
The water opossum (Chironectes minimus), also locally known as the yapok (/ ˈ j æ p ɒ k /), is a marsupial of the family Didelphidae. [3] It is the only monotypic species of its genus , Chironectes . [ 4 ]
The largest species, the Virginia opossum (Didelphis virginiana), is the only marsupial to be found in North America, north of Mexico. The Virginia opossum has opposable toes on their two back feet. One of the synapomorphies of this genus is the hypertrophied spinous processes of the cervical vertebrae, which also interlock. As a result, this ...
Virginia opossum (Didelphis virginiana). Didelphimorphia is an order of marsupial mammals.Members of this order are called didelphimorphs, or opossums.They are primarily found in South America, though some are found in Central America and Mexico and one, the Virginia opossum, ranges into the United States and Canada.
Opossums probably diverged from the basic South American marsupials in the late Cretaceous or early Paleocene. They are small to medium-sized marsupials, about the size of a large house cat, with a long snout and prehensile tail. Family: Didelphidae (American opossums) Subfamily: Didelphinae. Virginia opossum, D. virginiana [n 1] [n 2] LC