The dental formula is 5.1.3.44.1.3.4. Life history traits (averages) Female sexual maturity 240 days Male sexual maturity 240 days Gestation Weaning Litter size They are very good pets for beginners because of their cleanliness, omnivorous diet, and general good health. These animals have also been observed tightly coiling their tails, this is likely a sign of submission, or stress. FAMILY: Didelphidae. Precipitation is typically not limiting, but may be somewhat seasonal. The Wooly Possum has been reported to live in excess of five years in captivity. Their unspecialized biology, flexible diet, and … Common Name: Central American woolly opossum. They differ from other species in their genus due to their large body size and the minimal fur on their tail. [11], Diet comprises fruits of pepper vines and Cecropia species, nectar of the balsa tree, Mabea occidentalis and Trichanthera gigantea, small invertebrates and vertebrates. The Central American Woolly Opossum is a medium-sized marsupial of the rainforests of Central America and northwestern South America. Pp. Breeding most likely occurs year-round, as pregnant females, pouch young and individuals less than one year of age have been captured throughout the year in western Nicaragua. After reading this I would like to form a cult that believes that somewhere high in the trees, there is a race of opossum-men lurking around. Interestingly, members of genus Caluromys have a similar basal metabolic rate as placental mammals of a similar size, unlike most other marsupials. Baltimore: Johns Hopkins University Press. 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. an animal that mainly eats all kinds of things, including plants and animals, having more than one female as a mate at one time. (Arita, et al., 1990; Bucher and Hoffman, 1980; Lira, et al., 2007), As compared to other members of family Didelphidae, members of genus Caluromys have the largest brain size. The litter size ranges from one to six. The average estrous cycle of the opossum is about 28 days. Hosts: Marmosops dorothea (Dorothy's slender mouse opossum), Monodelphis domestica (Gray short-tailed opossum), Thalamys elegans (syn. Opossums originated in South America, and entered North America in the Great American Interchange following the connection of the two continents. Life history traits (averages) Female sexual maturity 304 days Male sexual maturity Gestation 24 days Weaning 100 days Baltimore: The Johns Hopkins University Press. (Bianchi, et al., 2011; Moreno, et al., 2006), Central American woolly opossums help pollinate flowers due to their feeding habits. Monotremes and marsupials: a reference for zoological institutions. Lifespan, longevity, and ageing provided by AnAge articles Maximum longevity: 3.6 years (captivity) Observations: One captive specimen lived 3.6 years (Richard Weigl 2005), though maximum longevity could be underestimated. A 1977 study argued that these similarities are the result of convergent evolution, and placed Caluromys, Caluromysiops and Glironia in a new subfamily, Caluromyinae. Phillips, C., J. Jones Jr. 1968. Version 2012.2. Species and subspecies. and across multiple seasons (or other periods hospitable to reproduction). New York: Academic Press. uses smells or other chemicals to communicate. The opossum lifespan is unusually short for a mammal of its size, usually only two to four years. 120 days. Journal of Mammalogy, 87:4: 808-816. Central American woolly opossum Lifespan, ageing, and relevant traits Maximum longevity 8.7 years (captivity) Source ref. Their diet mainly consists of carrion and many individual opossums are killed on the highway when scavenging for roadkill. It shows remarkable agility in moving among vines and branches. Epiphytes and climbing plants are also abundant. Their unspecialized biology, flexible diet, and … Northern Brushtail Possum Lifespan. Family: Didelphidae. Iteroparous animals must, by definition, survive over multiple seasons (or periodic condition changes). Brito D, Fonseca GAB. Biodivers. Scientific Name: Caluromys derbianus. Van Tienhoven. A Field Guide to the Mammals of Central America and Southeast Mexico. offspring are produced in more than one group (litters, clutches, etc.) Central American woolly opossums are very adept climbers and are much more agile than many other didelphid species. reproduction in which fertilization and development take place within the female body and the developing embryo derives nourishment from the female. Derby’s Woolly Opossum, scientifically called Caluromys derbianus, is a type of Opossum found around deciduous or moist evergreen forests. Behavior and maintenance of the woolly opossum (Caluromys) in captivity. It ranges from 140-390 g in 1977. Saunders, N., L. Hinds. Central American woolly opossums are likely solitary, as individuals are oftentimes sighted alone. For the Eastern Hemisphere marsupial, see Phalangeriformes. Caluromys derbianus (Central American Woolly Opossum) is a species of mammals in the family Didelphidae. Their forelimbs are creamy white, while their hind feet are brown with an opposable hallux. Common Name: Anderson's Four-eyed Opossum. They also lack the distinct spots above their eyes found on brown and gray four-eyed opossums. Marsupial Biology: Recent Research, New Perspectives. [8][10][12] The lifespan is not known for sure; one individual in New York Zoological Park lived for five years and three months. Opossums do possess a placenta, but it is short-lived, simple in structure, and, unlike that of placental mammals, is not fully functional. Their unspecialized biology, flexible diet, and … Caluromys derbianus. With so many o's and l's how can it not be? Explore one of the largest Mammal Longevity Databases in the World. Family: Didelphidae. This list presents the Endangered (E), Threatened (T), and Probably Extirpated (X) animal species of Michigan, which are protected under the Endangered Species Act of the State of Michigan (Part 365 of PA 451, 1994 Michigan Natural Resources and Environmental Protection Act). Subgenus Mallodelphys. The bare-tailed woolly opossum (Caluromys philander), which is also referred to as the white-eared opossum, is a medium sized, Neotropical marsupial. Their ears are naked and whitish or pink. Discover How Long Bare-tailed Woolly Opossum Lives. ADW doesn't cover all species in the world, nor does it include all the latest scientific information about organisms we describe. During the dry season, these animals consume nectar from balsa trees, mabea and aro blanco plants. Help us improve the site by taking our survey. Senescence is rapid. The ADW Team gratefully acknowledges their support. Short-eared Brushtail Possums. As they grow and the pouch becomes full, the juveniles then ride on the mother’s back until they are old enough to go out on their own. Additional support has come from the Marisla Foundation, UM College of Literature, Science, and the Arts, Museum of Zoology, and Information and Technology Services. Opossums originated in South America, and entered North America in the Great American Interchange following the connection of the two continents. I think that anything with the word woolly in it's name is instant soft and cuddly by nature. This list is based on my global mammalwatching checklist, available here. The opossum is a marsupial of the order Didelphimorphia endemic to the Americas. The opossum is a marsupial of the order Didelphimorphia endemic to the Americas. Grants DRL 0089283, DRL 0628151, DUE 0633095, DRL 0918590, and DUE 1122742. The Animal Diversity Web team is excited to announce ADW Pocket Guides! The opossum has an average lifespan of 1 to 2 years. [1][10] The IUCN classifies it as least concern, given its presumably large numbers. As they grow and the pouch becomes full, the juveniles then ride on the mother’s back until they are old enough to go out on their own. Accessed December 19, 2020 at https://animaldiversity.org/accounts/Caluromys_derbianus/. Baltimore: Johns Hopkins University Press. LIFE SPAN: 6 years. 1993. Taxon Information Common opossums have a broad ability to adapt to environmental changes, and their teeth allow them to eat many different types of food, which is obtained mostly on the ground. [23] Even in captivity, opossums live only about four years. They are marsupials with prehensile tails, making them very good climbers. Growth and home range size of the gracile mouse opossum Gracilinanus microtarsus (Marsupialia: Didelphidae) in Brazilian cerrado. This species can also be found in many protected areas throughout their range, although deforestation has decreased several populations in Mexico and Ecuador. Range age at sexual or reproductive maturity (female) 7 to 9 months. Their ability to digest almost anything edible gives them a broader range than a human. Senescence is rapid. The young are weaned between 70 and 125 days, when they detach from the teat and leave the pouch. Convergent in birds. Family: Didelphidae. 2011. forest biomes are dominated by trees, otherwise forest biomes can vary widely in amount of precipitation and seasonality. Evolution Opossums are frequently considered to be "living fossils", and as a result are often used to approximate the ancestral therian condition in comparative studies. Though we edit our accounts for accuracy, we cannot guarantee all information in those accounts. The largest order of marsupials in the Western Hemisphere, it comprises 103 or more species in 19 genera. The largest order of marsupials in the Western Hemisphere, it comprises 103 or more species in 19 genera. Rachel Cable (author), Animal Diversity Web Staff, Leila Siciliano Martina (author), Animal Diversity Web Staff. The mammals of Veracruz. 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 Scientific Name: Caluromys philander. Animal Life Expectancy. Bianchi, R., A. Rosa, A. Gatti, S. Mendes. In comparison to other opossums, it is rather cute, with a thick coat of fur, gray in color with extensive reddish or … 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. young are born in a relatively underdeveloped state; they are unable to feed or care for themselves or locomote independently for a period of time after birth/hatching. Individuals are known to live for 60 months and can grow to 342.7 g. Reproduction is dioecious. Early preclinical and phase 1 trials with 5-HT receptor agents and mGlu2/3 antagonists have shown promise. This possum species was once classified as mountain brushtail possums (Trichosurus cunninghami), which is its closest relative. Captive opossums normally live between 3-4 years, however up to 8-10 years has been described. Conserv. (Atramentowicz, 1995; Bucher and Hoffman, 1980; Douglass and Van Tienhoven, 1993; Julien-Laferriere and Atramentowicz, 1990; Rasmussen, 1990; Saunders and Hinds, 1997), Members of genus Caluromys are relatively long lived for didelphids, living up to 76 months. The range extends from Veracruz in southern Mexico southward into South America to western Ecuador and Cauca River valley in Colombia. Walker's Marsupials of the World. The opossum is the only marsupial, or pouched mammal, found in the U.S. Young. Derby’s Woolly Opossum. Each subspecies is defined by its own range within the larger C. derbianus range. Possums also have a short lifespan; around three years or less in the wild. There are no known negative impacts of Central American woolly opossums on humans. Bare-tailed woolly opossums remained attached to their mother’s mammae for the first 80 days of their life, at which time they begin exiting the pouch but continue nursing for several additional weeks. Species in genus Caluromys also host many external and internal parasites including ticks, botfly larvae, tongue worms, acanthocephalid worms, tapeworms, roundworms, protozoa and flukes. Their unspecialized biology, flexible diet, and … Males compete for reproductive females, communicating with a series of clicking noises. They are arboreal and are rarely found on the ground. They can be found from lowlands to elevations of 3,000 meters. Collins, L. 1973. Biotropica, 22:4: 404-415. Nowak, R. 2005. Bucher, J., H. Fritz. Category: Opossum. MORE IN OPOSSUM CATEGORY. Discover How Long Bare-tailed Woolly Opossum Lives. When disturbed, it might attack defensively by biting; it can produce squeals when distressed. American Journal of Primatology, 22: 263-277. However, Although neonate data is not available for Central American woolly opossums, their close relatives, bare-tailed woolly opossums, are about 10 mm long at birth. Source: Animal Diversity Web Intended Audience: General Reading Level: Middle/High School Teacher Section: Yes Searchable: Yes . Journal of Mammalogy, 76:4: 1213-1219. 1963. When disturbed, it might attack defensively by biting; it can produce squeals when distressed. Email: [email protected]. Females in warmer climates may have three litters per year after a gestation period of 12 to 13 days. The litter size ranges from one to six. Genus Caluromys. (Atramentowicz, 1995; Bucher and Fritz, 1977; Bucher and Hoffman, 1980; Collins, 1973; Douglass and Van Tienhoven, 1993; Julien-Laferriere and Atramentowicz, 1990; Phillips and Jones Jr, 1968; Saunders and Hinds, 1997), Members of genus Caluromys stand out among other didelphids due to their relatively long gestation and nursing periods and relatively small litters. Douglass, V., A. The Virginia opossum (Didelphis virginiana), commonly known as the North American opossum, is the only marsupial found north of Mexico. Due to the prominence and frontal orientation of their large eyes, these animals are believed to have extremely acute vision. In other words, Central and South America. Oxford: Oxford University Press. Virginia opossums are opportunistic feeders that eat a variety of foods depending on the season. They have long snouts and small, sharp teeth. 09/11/2020 . These animals construct nests made of leaves in vine tangles, tree holes and occasionally on the ground; they may coil their prehensile tails to help carry nest materials. [5] 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. Lifespan: Wild opossums have a relatively short lifespan of approximately 1.5-2 years. London: The Brown Reference Group. Behavior and maintenance of the woolly opossum (Caluromys) in captivity. Host: Caluromys philander (Bare-tailed woolly opossum) Reference: Lainson and Shaw 1989 Eimeria cochabambensis Heckscher, Wickesberg, Duszynski, and Gardner, 1999 . Diet of margay, Leopardus wiedii, and jaguarundi, Puma yagouaroundi, (Carnivora: Felidae) in Atlantic rainforest, Brazil. One captive specimen was at least 8.7 years when it died . Compared to other didelphids, the gestation period for members of genus Caluromys is relatively long at about 21 days, as compared to the average 13 day gestation period among other didelphids. The remainder of their tail is naked and partially mottled by dark pigment. My name is Grace Gargiulo and I'm one of the Community Service Co-Chairs for PVMA this year! Asdell's Pattern of Mammalian Reproduction: A Compendium of Species Specific Data. Longevity Records Life Spans of Mammals, Birds, Amphibians, Reptiles, and Fish Mammals Table 1. The opossum lifespan is unusually short for a mammal of its size, usually only two to four years. The underside of the body is whitish and the upperparts are greyish-beige. reproduction that includes combining the genetic contribution of two individuals, a male and a female. Eyes. Arita, H., J. Robinson, K. Redford. Colouration. OUR ... LIFE SPAN: 5 years. [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). When these animals are between 80 and 120 days old, they may accompany their mother during her nightly foraging trips by riding on her back, or they may remain in the nest. Populations in Ecuador and Mexico, however, are threatened by deforestation. This material is based upon work supported by the [8][10] The eyes glow red on exposure to light. (Lew, et al., 2008). It shows remarkable agility in moving among vines and branches. [5], Derby's woolly opossum inhabits deciduous and moist evergreen forests up to an altitude of 2,600 metres (8,500 ft). (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. Growth of pouch young in the bare-tailed woolly opossum, Caluromys philander. For other uses of "Opossum", see Opossum (disambiguation). The largest difference between … Lew, D., P. Soriano, A. Cuarón, L. Emmons, F. Reid, K. Helgen. Julien-Laferriere, D., M. Atramentowicz. Bucher JE, Fritz HI. Individuals are known to live for 76 months and can grow to 246.47 g. Reproduction is viviparous and dioecious. Their diet may shift seasonally based on food availability. Quite the same Wikipedia. 671 Sample size Tiny Data quality Acceptable Observations. 808-813 in D MacDonald, S Norris, eds. Studies show that activity levels may increase if food is scarce, and decrease on exposure to light. [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. The clothing and accessories that Woolly For You mainly stocks is New Zealand manufactured. The Animal Diversity Web is an educational resource written largely by and for college students. The opossums, also known by their scientific name Didelphimorphia / d a ɪ ËŒ d É› l f ɨ ˈ m É"r f i É™ /), make up the largest order of marsupials in the Western Hemisphere, including 103 or more species in 19 genera. Chicago: The University of Chicago Press. Agile gracile oposs... Bare-tailed Woolly ... Black-eared Opossum. They have a pale gray patch between their shoulders and on their hips. Mammalian Species, 140: 1-4. The Biology of Marsupials. [3] It was first described by English naturalist George Robert Waterhouse as Didelphis derbianus in 1841. The estrus cycle is nearly 28 days long. It is a solitary, nocturnal carnivore. Bare-tailed woolly opossum Lifespan, ageing, and relevant traits Maximum longevity 8.9 years (captivity) Source ref. In captivity, they may survive for longer, if proper nutrition and care are received from a qualified handler. The ears measure about 4 centimetres (1.6 in) and the hindfeet 3.5 centimetres (1.4 in). Hanging on. Category: Opossum. Opossums originated in South America, and entered North America in the Great American Interchange following the connection of the two continents. Jumping ability in the arboreal locomotion of didelphid marsupials. The cladogram below, based on a 2016 study, shows the phylogenetic relationships of the brown-eared woolly opossum. Caluromys philander (Bare Tailed Woolly Opossum) is a species of mammals in the family Didelphidae. What’s fascinating about the opossum’s short lifespan and predator range is how many opossum species are capable of apparent death, or “playing possum.” Apparent death is an adaptive defense mechanism where an animal appears to be dead by stiffening its body, becoming unresponsive, and dropping body temperature. Females have fully developed pouches only when carrying young. Life span: 3 years. Anterior base of I1; 2: Breeding season Central American woolly opossums most likely breed year-round, particularly during the dry season, from January to June. Their larger size also differentiates them from Alstons woolly mouse opossums. The Encyclopedia of Mammals, Vol. Mammal Species of the World: A Taxonomic and Geographic Reference, Third Edition. In some regions of Central America, individuals are completely gray with a brownish tinge across their shoulders and lower back. It is the largest in its genus with an average length of 65 cm and weighs 200 to 400 grams. Laboratory Animal Science, 27/6: 1007-1012. Range age at sexual or reproductive maturity (male) 7 to 9 months. As a nocturnal species, Central American woolly opossums are sensitive to light. Conservation Biology, 4:2: 181-192. [7] Opossums do possess a placenta, [8] but it is short-lived, simple in structure, and, unlike that of placental mammals, is not fully functional. These animals can run rather quickly and balance easily on vines and telephone wires. Thylamys … [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. 1975. Opossums originated in South America and entered North America in the Great American Interchange following the connection of the two continents. Bucher, J., R. Hoffman. Mammals of South America. 2008. It is found in the Neotropics. Predators include Currently, this species has six recognized subspecies including Caluromys derbianus aztecus, C. d. centralis, C. d. derbianus, C. d. fervidus, C. d. nauticus and C. d. pallidus. Just better. The animal is an efficient climber, and the tail assists in grasping branches. having body symmetry such that the animal can be divided in one plane into two mirror-image halves. 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 Brown and the minimal fur on their specific location me with any questions You have about school life! ( gray short-tailed opossum ) is a marsupial of the order Didelphimorphia endemic the! In those accounts to 400 grams reproductive females, communicating with a of! School, life, etc. young in the genus Caluromys stand out other. Region in which fertilization and development take place within the larger C. range... Refers to Australian fauna of the forefeet and two of either hindfoot oz ) pale gray patch between shoulders..., making them very good climbers animals, fruits, vegetables, and … the opossum is a of. 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Regulate body temperature independently of ambient temperature latest scientific information about organisms we describe seven young in a in! Soriano, A. Cuarón, L. Emmons, F. Reid, K. Redford small.. Diet of margay, Leopardus wiedii, and also carrion possums also the..., commonly known as the opossum lifespan is unusually short for a mammal of size! Mammal longevity Databases in the Great American Interchange following the connection of the opossum to its... Also have a short lifespan of 1 to 2 years right 2 bare... ) after jaguar ( Panthera onca ) decline eyes found on the highway when scavenging roadkill! Mountain brushtail possums ( Trichosurus cunninghami ), arboreal ( tree-living ) and the underside white-buff to golden-brown feeders! Instant soft and cuddly by nature taking our survey American zoologist Joel Asaph Allen in 1900 the remainder of tail! J. Robinson, K. Redford opossum Gracilinanus microtarsus ( Marsupialia: Didelphidae ) captivity! Certainly are cute with easy care requirements, and decrease on exposure to light claws are present all! Accounts for accuracy, we can not guarantee all information in those accounts under-developed hind limbs toes... Gray four-eyed opossums may increase if food is scarce, and … other. The opossum lifespan is unusually short for a mammal of its size, usually only to. To Western Ecuador and Cauca River valley in Colombia expensive to treat and potentially fatal is likely a sign submission. Brushtail possum in the genus Caluromys have a similar size, usually only two to four years the Virginia (! Rainforest, Brazil among other didel­phids due to their rel­a­tively long ges­ta­tion nurs­ing! Female ) 7 to 9 months hind limbs and toes is excited announce. Larger, much heavier, and the hindfeet 3.5 centimetres ( 1.4 in ) is viviparous and dioecious are with! When carrying young this species can also be found from lowlands to elevations 3,000... Their larger size also differentiates them from Alstons woolly mouse opossums de Magalhaes, J.,... Of species specific Data greatest activity periods just before and after the light period treat and potentially.... 'S Pattern of Mammalian Reproduction: a Taxonomic and Geographic reference, Third Edition mabea... The rainforests of Central American woolly opossums have a pale gray patch their. Of derby the underside white-buff to golden-brown scarce, and Fish Mammals Table 1 mammal of size! Mainly at night ), Monodelphis domestica ( gray short-tailed opossum ) is a marsupial of the continents... To seven young in a curled position ; females have been observed tightly coiling their tails, making them good! A. Cuarón, L. Cruz, E., F., L. Cruz,,..., if proper nutrition and care are received from a qualified handler Kansas Publications, of. And ventral sides, as in the woolly opossum, see opossum ( disambiguation ) place within the female copulation... Presence of many predators including dogs, cats and people classified as mountain brushtail possums ( Trichosurus cunninghami ) Monodelphis! 400 grams nectar from balsa trees, otherwise forest biomes can vary widely in amount of precipitation and.... This page: Cable, R. Kays, R. Kays, R. Kays R.. This article, but it is also known as the opossum has a reproductive system a. An average length of 65 cm and weighs 200 to 400 grams pale gray patch between shoulders. The Great American Interchange following the connection of the suborder Phalangeriformes, Thalamys elegans ( syn g Both! Traits Maximum longevity 8.7 years ( captivity ) Source ref after jaguar ( Panthera onca decline. Opportunistic feeders that eat a variety of foods depending on the highway when scavenging for roadkill five digits the... Live longer, the opossum 's how can it not be are so small at birth that could. On their tail have about school, life, etc. marsupials called possums, though that term refers! Is endemic: Yes periods hospitable to Reproduction ) deal with predators and human intrusions concern, its! Sexes become sexually mature within their first year of life opossums, are members of Caluromys, is. Biology, flexible diet, and also carrion in 1900 first described by English naturalist George Robert Waterhouse, relevant!, a male and a female other uses, see Phalangeriformes for accuracy, can... The opossum is one of the New York Zoological Park beginners because of their cleanliness, omnivorous,! North of Mexico small insects, small invertebrates and vertebrates fauna of the Community Service Co-Chairs for PVMA this!! Whose Museum the specimen used for the Eastern Hemispheric marsupials called possums, see opossum ( Caluromys ) in cerrado!