Bulls monopolize areas in the river as mating territories for 12 years or more. [105], A red hippo represented the Ancient Egyptian god Set; the thigh is the "phallic leg of Set", symbolising virility. It is often called “God’s number” since He is the only One who is perfect and complete (Revelation 4:5; 5:1, 5-6). International Union for Conservation of Nature, 10.2305/IUCN.UK.2017-2.RLTS.T10103A18567364.en, "Mitochondrial DNA variation of the common hippopotamus: evidence for a recent population expansion", "Suiform Soundings: The IUCN/SSC Pigs, Peccaries, and Hippos Specialist Group (PPHSG) Newsletter", "A phylogenomic analysis of the role and timing of molecular adaptation in the aquatic transition of cetartiodactyl mammals", "Analyses of mitochondrial genomes strongly support a hippopotamus-whale clade", "More DNA support for a Cetacea/Hippopotamidae clade: the blood-clotting protein gene gamma-fibrinogen", "Scientists find missing link between the dolphin, whale and its closest relative, the hippo", "The position of Hippopotamidae within Cetartiodactyla", Proceedings of the National Academy of Sciences, "The phylogeny and taxonomy of Hippopotamidae (Mammalia: Artiodactyla): a review based on morphology and cladistic analysis", Zoological Journal of the Linnean Society, "Note on the taxonomy of Pleistocene hippopotamuses", 10.1002/(SICI)1520-6548(200004)15:4<379::AID-GEA7>3.0.CO;2-E, "An experimental cropping scheme of Hippopotami in the Letaba river of the Kruger National Park", "How Does a Hippo Make Its Own Sunscreen? Often considered to be the second largest land animal (after the elephant ), the hippopotamus is comparable in size and weight to the white rhinoceros ( Ceratotherium simum ) and the Indian rhinoceros ( Rhinoceros unicornis ). [107] The Ijaw people of the Niger Delta wore masks of aquatic animals like the hippo when practicing their water spirit cults[108] and hippo ivory was used in the divination rituals of the Yoruba. [9][10], Until 1909, naturalists grouped hippos with pigs, based on molar patterns. [35]:264 Hippos mostly live in freshwater habitats, however populations in West Africa mostly inhabit estuarine waters and may even be found at sea. [4][5][6] In English, the plural is "hippopotamuses", but "hippopotami" is also used.[7]. Please refer to the appropriate style manual or other sources if you have any questions. Cosmology is the scientific study of the large scale properties of the universe as a whole. A group of hippopotamus is called either a crash or herd. About this essay More essays like this: hippopotamus, elephant poaching. massive thick-skinned herbivorous animal living in or around rivers of tropical Africa / A large, amphibious, herbivorous mammal (Hippopotamus amphibius), common in the rivers of Africa. This statuette of a hippopotamus (popularly called "William") was molded in faience, a ceramic material made of ground quartz. [8]:39 Hippopotamidae are classified along with other even-toed ungulates in the order Artiodactyla. For example, the Toledo Zoo Hippoquarium features a 360,000-US-gallon (1,400,000 l) pool. The young often rest on their mothers' backs when the water is too deep for them, and they swim under water to suckle. Further, some taxonomists group hippos and anthracotheres in the superfamily Anthracotheroidea. Genus: Hippopotamus Species: Hippopotamus amphibius 2.2 Subspecies There is substantial regional variation in this species which has led to a series of separate populations. [51] By 2005, the population in Virunga National Park had dropped to 800 or 900 from around 29,000 in the mid-1970s. Trampling and crop raiding by hippos led to early and determined efforts to exterminate them; their hides and meat were also valued. [12], One branch would evolve into cetaceans, possibly beginning about 52 million years ago, with the protowhale Pakicetus and other early whale ancestors collectively known as Archaeoceti, which eventually underwent aquatic adaptation into the completely aquatic cetaceans. In times of drought or famine, they may embark on overland migrations that often result in many deaths. By night, hippos walk along familiar paths as far as 10 km (6 miles) into surrounding grasslands to feed for five or six hours. [8]:3 They can be found in both savannah and forest areas. [80] Crocodiles are frequent targets of hippo aggression, probably because they often inhabit the same riparian habitats; crocodiles may be either aggressively displaced or killed by hippos. [72] The stomach anatomy of a hippo is not suited to carnivory, and meat-eating is likely caused by aberrant behaviour or nutritional stress. Pneumatology - the study of the Person and work of the Holy Spirit. [8]:50 Younger bachelors are allowed in a male's stretch, as long as they behave submissively toward the male. Males are usually 3.5 metres (11.5 feet) long, stand 1.5 metres (5 feet) tall, and weigh 3,200 kg (3.5 tons). Their digestive process cycles tremendous quantities of nutrients into the African rivers and lakes and thereby supports the fish that are so crucial as a protein source in the diet of the local people. Let us know if you have suggestions to improve this article (requires login). A study examining mitochondrial DNA from skin biopsies taken from 13 sampling locations, considered genetic diversity and structure among hippo populations across the continent. Nepali Meaning. 1 2 3. Bachelors lounge near other bachelors, females with other females, and the male on his own. Abstract. A review of their morphology and habitat, however, suggested a closer relationship to the modern pygmy hippopotamus. World's First Zoo-Hierakonpolis, Egypt. Hippos have the unique ability to hold their heads partially above the water and send out a cry that travels through both water and air; individuals respond above and under water. King Tut may have been killed by a hippopotamus. Near the river, where grazing and trampling are heaviest, large areas may be denuded of all grass, which results in erosion. However, calves are occasionally left in nurseries which are guarded by one or a few adults. [32] Calves are born underwater at a weight between 25 and 50 kg (55 and 110 lb) and an average length of around 127 cm (4.17 ft), and must swim to the surface to take their first breaths. Sometimes, the subfamily Hippopotaminae is used. For other uses, see, large, mostly herbivorous, semiaquatic mammal native to sub-Saharan Africa, CS1 maint: multiple names: authors list (. Historic range is in red while current range is in green. Some Egyptian doctors had specialized fields of study. [41], A hippo's lifespan is typically 40–50 years. What that purpose is helps define the type of trial it is. All the recent attention to the so-called obesity epidemic provides a fascinating context for understanding interactions between civil rights consciousness and the ordinary lives of fat people, who both deploy and resist the ideological formations that make up our most basic presumptions about who deserves rights protections. [60] Because of the fast-growing population, conservationists have recommended that a management plan needs to be rapidly developed. They inhibit the growth of disease-causing bacteria, and their light absorption peaks in the ultraviolet range, creating a sunscreen effect. The hippo lost most of his hair and was too embarrassed to leave the water. In the case of hippos, they usually had a pool of water and patch of grass. [115][116], Hippos have also been popular cartoon characters, where their rotund frames are used for humorous effect. Wiki User Answered 2011-09-29 23:47:33. calf. [24][25][26] Mean adult weight is around 1,500 kg (3,310 lb) and 1,300 kg (2,870 lb) for males and females respectively,[27][28] very large males can reach 2,000 kg (4,410 lb) and exceptional males weighing 2,660 kg (5,860 lb),[27] 3,200 kg (7,050 lb)[29] and 4,500 kg (9,920 lb) (in captivity)[30] have been reported. [34] Though they are bulky animals, hippos can gallop at 30 km/h (19 mph) on land but normally trot. Asked by Wiki User. But a small and industrious group of thinkers stepped forward with an answer, a bold idea being endorsed by the likes of Theodore Roosevelt and The New York Times. Grab a copy of our NEW encyclopedia for Kids! Yah-bo! The mouth as … [31], Hippos have barrel-shaped bodies with short legs and long muzzles. [44] The oldest hippo recorded was called Bertha; she had lived in the Manila Zoo in the Philippines since it first opened in 1959. While depositing the faeces, hippos spin their tails to distribute their excrement over a greater area. Nile crocodiles, lions and spotted hyenas are known to prey on young hippos. [35]:277 Donna the Hippo was one of the oldest living hippos in captivity. [33] Hippopotamuses have small legs (relative to other megafauna) because the water in which they live reduces the weight burden. African Zoology. The Hippopotamus Defence is a line played with the black pieces which is considered a universal system. [87] Incidents of hippo cannibalism have been documented, but this is believed to be the behaviour of distressed or sick hippos. Taxonomists disagree whether or not the modern pygmy hippopotamus is a member of Hexaprotodon—an apparently paraphyletic genus, also embracing many extinct Asian hippopotamuses, that is more closely related to Hippopotamus—or of Choeropsis, an older and basal genus. Because of their great size and aquatic habits, they are safe from most predators but human beings, who have long valued their hide, meat, and ivory and at times have resented them for ruining crops. The line is called the Hippo Defense because it is like a real life Hippo. Earth has a new companion in the form of a 'mini-moon'. Articles from Britannica Encyclopedias for elementary and high school students. 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Instead, the hippo was caught, castrated and released again, significant. Located far back enough to allow the animal to open its mouth almost... Compare ways to promote behavioral changes designed to improve this article ( requires login ) the population in National. [ 96 ], like many zoo animals, hippos have been killed by hippopotamus. Believed to be based on a hippo closes its nostrils when it submerges into the body was painted lotuses... An antibiotic ] hippos will also express threat and alarm with exhalations its diameter is between 1.9-3.5,! Was common in East Africa, but has since been extirpated passengers can be considered to be developed...
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