HOME

TheInfoList



OR:

The West African oyan (''Poiana leightoni''), also known as the West African linsang, is a
linsang The linsangs are four species of tree-dwelling carnivorous mammals. The name of these species originated in the Javanese language as ''linsang'' or ''wlinsang'', and previously, was translated incorrectly in English dictionaries as " otter". T ...
species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...
native to the
Upper Guinean forests The Upper Guinean forests is a tropical seasonal forest region of West Africa. The Upper Guinean forests extend from Guinea and Sierra Leone in the west through Liberia, Côte d'Ivoire and Ghana to Togo in the east, and a few hundred kilometers inl ...
in
West Africa West Africa or Western Africa is the westernmost region of Africa. The United Nations defines Western Africa as the 16 countries of Benin, Burkina Faso, Cape Verde, The Gambia, Ghana, Guinea, Guinea-Bissau, Ivory Coast, Liberia, Mali, Maurit ...
. It is one of the least known small carnivores in Africa.


Characteristics

The West African oyan's body is slender and long, with an elongated head and a pointed muzzle. Its fur is yellowish to reddish brown with dark oval shaped spots on the neck, and small spots on the back and legs. Its throat, chest and belly are lighter in colour and without spots. Its tail has 10 to 12 dark rings. Its body is long, with a long tail.


Distribution and habitat

The West African oyan inhabits the
canopy Canopy may refer to: Plants * Canopy (biology), aboveground portion of plant community or crop (including forests) * Canopy (grape), aboveground portion of grapes Religion and ceremonies * Baldachin or canopy of state, typically placed over an a ...
of
tropical forest Tropical forests (a.k.a. jungle) are forested landscapes in tropical regions: ''i.e.'' land areas approximately bounded by the tropic of Cancer and Capricorn, but possibly affected by other factors such as prevailing winds. Some tropical fores ...
s in West Africa. Two known records in the
Ivory Coast Ivory Coast, also known as Côte d'Ivoire, officially the Republic of Côte d'Ivoire, is a country on the southern coast of West Africa. Its capital is Yamoussoukro, in the centre of the country, while its largest city and economic centre is ...
date to the 1960s and 1970s. In
Liberia Liberia (), officially the Republic of Liberia, is a country on the West African coast. It is bordered by Sierra Leone to Liberia–Sierra Leone border, its northwest, Guinea to its north, Ivory Coast to its east, and the Atlantic Ocean ...
, it was recorded in ten localities between the 1960s and late 1980s. Its presence in Sierra Leone and Guinea is uncertain.


Threats

The West African oyan is probably affected by
habitat loss Habitat destruction (also termed habitat loss and habitat reduction) is the process by which a natural habitat becomes incapable of supporting its native species. The organisms that previously inhabited the site are displaced or dead, thereby ...
due to
logging Logging is the process of cutting, processing, and moving trees to a location for transport. It may include skidding, on-site processing, and loading of trees or logs onto trucks or skeleton cars. Logging is the beginning of a supply chain ...
of tropical forests, and by hunting for
bushmeat Bushmeat is meat from wildlife species that are hunted for human consumption, most often referring to the meat of game in Africa. Bushmeat represents a primary source of animal protein and a cash-earning commodity for inhabitants of humid tropi ...
.


Taxonomy

The West African oyan was first described—in a paper read at the 26 November 1907 meeting of the
Zoological Society of London The Zoological Society of London (ZSL) is a charity devoted to the worldwide conservation of animals and their habitats. It was founded in 1826. Since 1828, it has maintained the London Zoo, and since 1931 Whipsnade Park. History On 29 ...
and
published Publishing is the activity of making information, literature, music, software and other content available to the public for sale or for free. Traditionally, the term refers to the creation and distribution of printed works, such as books, newsp ...
the following May—by
Reginald Innes Pocock Reginald Innes Pocock F.R.S. (4 March 1863 – 9 August 1947) was a British zoologist. Pocock was born in Clifton, Bristol, the fourth son of Rev. Nicholas Pocock and Edith Prichard. He began showing interest in natural history at St. Edward ...
, based on a
zoological specimen A zoological specimen is an animal or part of an animal preserved for scientific use. Various uses are: to verify the identity of a (species), to allow study, increase public knowledge of zoology. Zoological specimens are extremely diverse. Exampl ...
collected in Liberia. Pocock considered it a
subspecies In biological classification, subspecies is a rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics (morphology), but that can successfully interbreed. Not all species ...
of the
Central African oyan The Central African oyan (''Poiana richardsonii''), also called Central African linsang, is a linsang species native to Central Africa. Characteristics The Central African oyan's body is slender and long, with an elongated head and a pointed mu ...
, the
trinomial In elementary algebra, a trinomial is a polynomial consisting of three terms or monomials. Examples of trinomial expressions # 3x + 5y + 8z with x, y, z variables # 3t + 9s^2 + 3y^3 with t, s, y variables # 3ts + 9t + 5s with t, s variables # a ...
in the original orthography being ''Poiana richardsoni leightoni'', ''Poiana richardsoni liberiensis'' being printed in error. In 1974, elevated "Leighton's linsang" from subspecies to independent species rank.


References

{{Taxonbar, from=Q1968390
Leighton's linsang The West African oyan (''Poiana leightoni''), also known as the West African linsang, is a linsang species native to the Upper Guinean forests in West Africa. It is one of the least known small carnivores in Africa. Characteristics The West Af ...
Mammals of West Africa
Leighton's linsang The West African oyan (''Poiana leightoni''), also known as the West African linsang, is a linsang species native to the Upper Guinean forests in West Africa. It is one of the least known small carnivores in Africa. Characteristics The West Af ...