reproduction in which fertilization and development take place within the female body and the developing embryo derives nourishment from the female.  Even in captivity, opossums live only about four years. I think that anything with the word woolly in it's name is instant soft and cuddly by nature. Convergent in birds. On average, Virginia opossums have two litters per year, but this varies depending on their specific location. Feeding and reproduction of three didelphid marsupials in two Neotropical forests (French Guiana). The animal is an efficient climber, and the tail assists in grasping branches. By Rachel Cable and Leila Siciliano Martina, gonochoric/gonochoristic/dioecious (sexes separate), body parts are source of valuable material, Monotremes and marsupials: a reference for zoological institutions, Asdell's Pattern of Mammalian Reproduction: A Compendium of Species Specific Data, Neotropical Rainforest Mammals: A Field Guide, Second Edition, University of Kansas Publications, Museum of Natural History, A Field Guide to the Mammals of Central America and Southeast Mexico, Marsupial Biology: Recent Research, New Perspectives, Mammal Species of the World: A Taxonomic and Geographic Reference, Third Edition, Julien-Laferriere and Atramentowicz, 1990, © 2020 Regents of the University of Michigan. Hanging on. (Allen, 2007; Lew, et al., 2008; Reid, 2009), Central American woolly opossums are preyed upon by ocelots. Reproduction. OUR ... LIFE SPAN: 5 years. The bare-tailed woolly opossum (Caluromys philander), which is also referred to as the white-eared opossum, is a medium sized, Neotropical marsupial. O'Connell, M. 2006. Conservation Biology, 4:2: 181-192. Competitive release in diets of ocelots (Leopardus pardalis) and puma (Puma concolor) after jaguar (Panthera onca) decline. The Animal Diversity Web is an educational resource written largely by and for college students. “In captivity the species is strictly nocturnal with greatest activity periods just before and after the light period. (On-line). (Allen, 2007; Bucher and Hoffman, 1980; Emmons and Feer, 1997; Lew, et al., 2008), Central American woolly opossums are found in both primary and disturbed tropical humid forests, evergreen rainforests, dry forests, gardens and plantations up to 2,500 m in elevation. 120 days. Behavior and maintenance of the woolly opossum (Caluromys) in captivity. , "Phylogenetic relationships and classification of didelphid marsupials, an extant radiation of New World metatherian mammals", Bulletin of the American Museum of Natural History, "Phylogeny and evolution of body mass in didelphid marsupials (Marsupialia: Didelphimorphia: Didelphidae)", "Competitive release in diets of ocelots (, https://en.wikipedia.org/w/index.php?title=Derby%27s_woolly_opossum&oldid=982361844, Creative Commons Attribution-ShareAlike License, This page was last edited on 7 October 2020, at 17:36. Category: Opossum. Although some live longer, the average lifespan of the opossum is only 1-2 years. Interestingly, members of genus Caluromys have a similar basal metabolic rate as placental mammals of a similar size, unlike most other marsupials. Baltimore: The Johns Hopkins University Press.  Opossums do possess a placenta,  but it is short-lived, simple in structure, and, unlike that of placental mammals, is not fully functional. It shows remarkable agility in moving among vines and branches. Their diet mainly consists of carrion and many individual opossums are killed on the highway when scavenging for roadkill. The young are weaned between 70 and 125 days, when they detach from the teat and leave the pouch. The average estrous cycle of the opossum is about 28 days. Lifespan: Wild opossums have a relatively short lifespan of approximately 1.5-2 years. Tail.  It was given its present binomial name, Caluromys derbianus, by American zoologist Joel Asaph Allen in 1900. living in landscapes dominated by human agriculture. Senescence is rapid. They are very good pets for beginners because of their cleanliness, omnivorous diet, and general good health. For the Eastern Hemisphere marsupial, see Phalangeriformes. For the Eastern Hemispheric marsupials called possums, see Phalangeriformes. Scientific Name: Caluromys philander. Derby's woolly opossum (Caluromys derbianus), or the Central American woolly opossum, is an opossum found in deciduous and moist evergreen forests of Central America, from southern Mexico to western Ecuador and Colombia.   The Virginia opossum has a maximal lifespan in the wild of only about two years. 1963. Disclaimer: The Animal Diversity Web is an educational resource written largely by and for college students.ADW doesn't cover all species in the world, nor does it include all the latest scientific information about organisms we describe. 6, 11, 21, 29: Body weight: Adult female: 1.9-2.1 kg 11, 29: Adult male: 2.1-5 kg 11, 29: Cloacal body temperature: 32.2-35°C (90-95°F) 11, 31 The largest order of marsupials in the Western Hemisphere, it comprises 103 or more species in 19 genera. Category: Opossum. Monotremes and marsupials: a reference for zoological institutions. Food deprivation caused a doubling in activity level, while constant illumination resulted in a decrease in activity. Their ears are naked and whitish or pink. Source: Animal Diversity Web Intended Audience: General Reading Level: Middle/High School Teacher Section: Yes Searchable: Yes . 1993. Central American woolly opossum Lifespan, ageing, and relevant traits Maximum longevity 8.7 years (captivity) Source ref. Hosts: Marmosops dorothea (Dorothy's slender mouse opossum), Monodelphis domestica (Gray short-tailed opossum), Thalamys elegans (syn. The tail is partially naked, as in the bare-tailed woolly opossum. Mammals of South America. Jumping ability in the arboreal locomotion of didelphid marsupials. Evaluation of minimum viable population size and conservation status of the long-furred woolly mouse opossum Micoureus paraguayanus: an endemic marsupial of the Atlantic Forest. It is characterized by white to pink ears, lightly colored limbs, a brown coat (lighter than that of the brown-eared woolly opossum), white-buff to golden-brown underside, and the prehensile tail (tail that can be used to grab objects) that accounts for 58 to 67 percent of the total length. 2005. The largest order of marsupials in the Western Hemisphere, it comprises 103 or more species in 19 genera. Members of family Didelphidae are generally considered polygynous. During the dry season, these animals consume nectar from balsa trees, mabea and aro blanco plants. National Science Foundation My name is Grace Gargiulo and I'm one of the Community Service Co-Chairs for PVMA this year! Mastozoologia Neotropical, 16:2: 299-307. , Amphibians, Reptiles, and named in honor of Edward Smith-Stanley, 13th Earl of derby, to this. Submission, or stress or stress L. Emmons, F. Fernandez, H. Uible, P. Soriano, Rosa. 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