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Felis leo was the scientific name used by Carl Linnaeus in 1758, who described the lion in his work Systema Naturae. [3] The genus name Panthera was coined by Lorenz Oken in 1816. [ 10 ] Between the mid-18th and mid-20th centuries, 26 lion specimens were described and proposed as subspecies, of which 11 were recognised as valid in 2005. [ 1 ]
The tigon is a hybrid offspring of a male tiger (Panthera tigris) and a female lion, or lioness (Panthera leo). [1] They exhibit visible characteristics from both parents: they can have both spots from the mother (lions carry genes for spots – lion cubs are spotted and some adults retain faint markings) and stripes from the father.
A liger is the offspring between a male lion and a female tiger, which is larger than its parents because the lion has a growth maximizing gene and the tigress, unlike the lioness, has no growth inhibiting gene. [19] Tigon A tigon is the offspring of a female lion and a male tiger. [19] The tigon is not as common as the converse hybrid, the liger.
Panthera is a genus within the family Felidae, and one of two extant genera in the subfamily Pantherinae. It contains the largest living members of the cat family. There are five living species: the jaguar, leopard, lion, snow leopard and tiger. Numerous extinct species are also named, including the cave lion and American lion.
The history of lion–tiger hybrids dates to at least the early 19th century in India. In 1798, Étienne Geoffroy Saint-Hilaire (1772–1844) made a colour plate of the offspring of a lion and a tiger. The name "liger", a portmanteau of lion and tiger, was coined by the 1930s. [4] "Ligress" is used to refer to a female liger, on the model of ...
Gestation, called pregnancy in humans, is the period of time during which the fetus develops, dividing via mitosis inside the female. During this time, the fetus receives all of its nutrition and oxygenated blood from the female, filtered through the placenta , which is attached to the fetus' abdomen via an umbilical cord .
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The liger is the offspring of a female tiger and a male lion and the tigon the offspring of a male tiger and a female lion. [45] The lion sire passes on a growth-promoting gene, but the corresponding growth-inhibiting gene from the female tiger is absent, so that ligers grow far larger than either parent species.