The opossum constructs nests in tree cavities, and its litter size ranges from one to seven. Ears are large and almost always hairless. [14], An omnivore, the bare-tailed woolly opossum feeds on fruits, vegetables, gum, nectar, small birds and reptiles. [7], The following seven subspecies are recognized:[5][8], The cladogram below, based on a 2016 study, shows the phylogenetic relationships of Derby's woolly opossum. The tail is partially naked, as in the bare-tailed woolly opossum. The animal is an efficient climber, and the tail assists in grasping branches. Populations in Ecuador and Mexico, however, are threatened by deforestation. It was first described by English naturalist George Robert Waterhouse, and named in honor of Edward Smith-Stanley, 13th Earl of Derby. It was first described by Swedish zoologist Carl Linnaeus in 1758. Males have been observed pursuing the female before copulation occurs. [8][10][12] The lifespan is not known for sure; one individual in New York Zoological Park lived for five years and three months. The bare-tailed woolly opossum (Caluromys philander) is an opossum from South America. In a primary forest of French Guiana, the mean home range size was calculated as 3 hectares (0.012 sq mi). So I asked one. The estrus cycle is nearly 28 days long. The litter size ranges from one to six. [1], 10.2305/IUCN.UK.2015-4.RLTS.T3649A22175720.en, Bulletin of the American Museum of Natural History, "Phylogeny and evolution of body mass in didelphid marsupials (Marsupialia: Didelphimorphia: Didelphidae)", "The influence of moonlight on activity of woolly opossums (, "New morphological and genetic data of Gigantorhynchus echinodiscus (Diesing, 1851) (Acanthocephala: Archiacanthocephala) in the giant anteater Myrmecophaga tridactyla Linnaeus, 1758 (Pilosa: Myrmecophagidae)", https://en.wikipedia.org/w/index.php?title=Bare-tailed_woolly_opossum&oldid=988736746, Creative Commons Attribution-ShareAlike License, This page was last edited on 14 November 2020, at 23:30. The size of home ranges is influenced by environmental factors such as forage availability and individual needs. A 1977 study argued that these similarities are the result of convergent evolution, and placed Caluromys, Caluromysiops and Glironia in a new subfamily, Caluromyinae. It is called mucura-xixica in Portuguese, zarigüeya lanuda parda in Spanish, and wakaro in the Kwaza language of Rondônia, Brazil. It was first described by German naturalist Ignaz von Olfers in 1818. 80% off a Hand Made Oil Painting Reproduction of Lord Derbys Woolly Opossum, one of the most famous paintings by Edward Lear. The tail is dark brown towards the end, spotted with white and dark brown, terminating in a white or yellowish-white tip. The coat is thick, soft and woolly; the flanks may be grayer than the back. The litter size ranges from one to six. He was named in honor of Edward Smith-Stanley, 13th Earl of Derby, to whose museum the specimen used for the description belonged. Derby's woolly opossum … Derby's woolly opossum is one of the three members of Caluromys, and is placed in the family Didelphidae. Derby's woolly opossum , 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. Grayish fur separates these stripes from one another. [1], "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. [9], Black-shouldered opossum (Caluromyopsis irrupta), Derby's woolly opossum (Caluromys derbianus), Bare-tailed woolly opossum (Caluromys philander), Brown-eared woolly opossum (Caluromys lanatus), Kalinowski's mouse opossum (Hyladelphys kalinowskii), Derby's woolly opossum is the largest in its genus, with a total length of 60 to 70 centimetres (24 to 28 in) and weight between 200 and 400 grams (7.1 and 14.1 oz). The time when breeding takes place varies geographically. The brown-eared woolly opossum (Caluromys lanatus) occurs from Colombia and Venezuela to Paraguay. The coat is brown and the underside white-buff to golden-brown. [16] Newborn weigh 200 milligrams (0.0071 oz), and their weight increases to 11 grams (0.39 oz) after weaning. When disturbed, it might attack defensively by biting; it can produce squeals when distressed. The bare-tailed woolly opossum is characterized by a gray head, brown to gray coat, orange to gray underside and a partially naked tail. [8] Gestation lasts 25 days – the longest among didelphomorphs; the young come out of the pouch at three months and weaning occurs at four months. 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. It is nocturnal (active mainly at night) … The bare-tailed woolly opossum (Caluromys philander) occurs … I will continue to work hard for you guys! [8][9] A study of the foraging behavior of the bare-tailed woolly opossum and the sympatric kinkajou showed that both feed on a variety of plants, choose plants by their abundance, show similar preferences, and favor certain plant parts at certain times of the year. The bare-tailed woolly opossum inhabits subtropical forests, rainforests, secondary forests, and plantations; its range extends from northern Venezuela to northeastern and southcentral Brazil. Just compare the Didelphis marsupialis (Common Opossum) to the Caluromys derbianus (Derby’s Woolly Opossum). Gestation lasts 25 days, and the juveniles exit the pouch after three months; weaning occurs a month later. [18] After exiting the pouch, offspring are sheltered in nests, where the mother regularly visits them for nursing. Derby's Woolly Opossum, Caluromys derbianus Bare-tailed Woolly Opossum, Caluromys philander at, swamp rabbit, cottontail rabbit, raccoon, opossum, coyote, beaver, and many species of birds. While activity in males dropped from new moon to full moon (that is, with increasing exposure to moonlight), activity in females remained largely unaffected. It was first described by Swedish zoologist Carl Linnaeus in 1758. [2], Derby's woolly opossum is nocturnal (active mainly at night), solitary, and spends most of the day in nests made of dead leaves in cavities in the upper reaches of trees. Philander philander Cabrera, 1919. The opossum is characterized by a brown to reddish brown coat and similarly colored limbs, yellow to orange … [2][4] A 1955 revision of marsupial phylogeny grouped Caluromys, Caluromysiops, Dromiciops (monito del monte) and Glironia (bushy-tailed opossum) under a single subfamily, Microbiotheriinae, noting the dental similarities among these. The ears measure 3 to 3.5 centimetres (1.2 to 1.4 in), the tail 25 to 36 centimetres (9.8 to 14.2 in) and the hind feet 3.2 to 3.9 centimetres (1.3 to 1.5 in). The ears measure about 4 centimetres (1.6 in) and the hindfeet 3.5 centimetres (1.4 in). [8] Predators include the jaguarundi and margay. It was first described by English naturalist George Robert Waterhouse, and named in honor of Edward Smith-Stanley, 13th Earl of Derby. The IUCN classifies this opossum as least concern. Diet consists of fruits, nectar, small invertebrates and vertebrates. The head-and-body length is typically between 16 and 26 centimetres (6.3 and 10.2 in). 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. Opossum Branch was so named on account of opossums in the area. [10] The opossum is arboreal (tree-living) and a good climber. A variant name was Wooley Creek. Nevertheless, it is one of the very few opossums that have been successfully studied in detail. You are able Females can have three litters a year, unless food is scarce. Studies show that activity levels may increase if food is scarce, and decrease on exposure to light. [15], In French Guiana, females mate successfully after they are a year old. It was given its present binomial name, Caluromys derbianus, by America… Opossum Branch is a stream in Montgomery County in the U.S. state of Missouri. … A dark streak runs from along the midline of the nose up to the crown. Of course, I am not an expert in South American mammals. Fe­males have fully de­vel­oped pouches only when car­ry­ing young. The three species in the genus Caluromys, commonly known as woolly opossums, are members of the order Didelphimorphia. [5], Derby's woolly opossum inhabits deciduous and moist evergreen forests up to an altitude of 2,600 metres (8,500 ft). [8] The dental formula is 5.1.3.44.1.3.4 – typical of didelphids. Derby's woolly opossum コアラと同じように、 袋 ( ふくろ ) で 子供 ( こども ) を 育 ( そだ ) てます。 中央 ( ちゅうおう ) アメリカにすんでいます。 The opossum is nocturnal (active mainly at night), arboreal (tree-living) and solitary. The dor­sal por­tion of their tail is furred 30 to 50% from the base with hair darker than their body; the ven­tral por­tion is furred up to 25% from the base. [13] The Bare-tailed woolly opossum is a host of the Acanthocephalan intestinal parasite Gigantorhynchus lutzi. [2][8][10] Predators include ocelots. Derby’s woolly opossum (Caluromys derbianus) is found in Mexico, in Central America, and along the Pacific slope of Colombia and Ecuador. Free: +1-888-417-8278 Didelphis philander Linnaeus, 1758 Derby's woolly opossum is the largest in its genus, with a total length of 60 to 70 centimetres (24 to 28 in) and weight between 200 and 400 grams (7.1 and 14.1 oz). Similar but broad streaks run from brown rings around either eye. [6], The following four subspecies are recognized:[2][4], The cladogram below, based on a 2016 study, shows the phylogenetic relationships of the bare-tailed woolly opossum. 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