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Rhinos have one or two horns made of agglutinated keratin, unlike the horns of even-toed ungulates (Bovidae and pronghorn), which have a bony core. The number and form of the teeth vary according to diet. The incisors and canines can be very small or completely absent, as in the two African species of rhinoceros. In horses, usually only the ...
The number of southern white rhinos outnumbers all other rhino subspecies combined. South Africa is the stronghold for this subspecies, with 12,968 individuals recorded in 2021. [ 14 ] There are smaller reintroduced populations within the historical range of the species in Namibia , Botswana , Zimbabwe , Uganda and Eswatini , while a small ...
The northern white rhinoceros or northern white rhino (Ceratotherium simum cottoni) is one of two subspecies of the white rhinoceros (the other being the southern white rhinoceros). This subspecies is a grazer in grasslands and savanna woodlands.
English: A diagram showing adult male and female sizes for the white rhinoceros (Ceratotherium simum), including a young calf, scaled to published shoulder heights. • Adult male white rhinos can reach 170 - 186 cm tall at the shoulder and adult females can reach 160 - 177 cm tall at the shoulder; the larger sizes are shown in grey. [ 1 ]
The remaining two southern white rhinos began the process of being released into the wild on May 13, 2014. [ 19 ] In 2023, African Parks , supported by foundations such as those of Howard Buffett and the Walton Family , has launched a major conservation initiative by purchasing the largest privately-owned herd of southern white rhinos ...
Conway chained arrow notation, created by mathematician John Horton Conway, is a means of expressing certain extremely large numbers. [1] It is simply a finite sequence of positive integers separated by rightward arrows, e.g. .
right-ordered group if ≤ is right-invariant, that is a ≤ b implies ac ≤ bc for all a, b, c in G, bi-ordered group if ≤ is bi-invariant, that is it is both left- and right-invariant. A group G is said to be left-orderable (or right-orderable, or bi-orderable) if there exists a left- (or right-, or bi-) invariant order on G. A simple ...
In game theory, a bimatrix game is a simultaneous game for two players in which each player has a finite number of possible actions. The name comes from the fact that the normal form of such a game can be described by two matrices - matrix describing the payoffs of player 1 and matrix describing the payoffs of player 2.