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The '''African linsangs''' are two species classified in the [[mammal]]ian [[subfamily (biology)|subfamily]] [[Viverrinae]], in the family [[Viverridae]]. There is one genus, '''''Poiana'''''. |
The '''African linsangs''' also known as '''Oyans'''<ref> Don E. Wilson , Russell A. Mittermeier (editors): Handbook of the Mammals of the World. Lynx Editions, Barcelona, 2009. ISBN 978-84-96553-49-1</ref> are two species classified in the [[mammal]]ian [[subfamily (biology)|subfamily]] [[Viverrinae]], in the family [[Viverridae]]. There is one genus, '''''Poiana'''''. |
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Both [[linsang]] genera (''Poiana'' and the Asian ''[[Prionodon]]'') formerly were placed in the subfamily [[Viverrinae]] (of Viverridae), along with several other genera, but recent research suggests that their actual relationships may be somewhat different. The linsangs are remarkable for their morphological resemblance to [[cat]]s, family [[Felidae]], which is greater than in the other viverrids. As the relationship between linsangs and cats was thought to be rather distant (the two groups belonging to different families within the superfamily [[Feliformia]]), this was considered an example of [[convergent evolution]]. However, DNA analysis indicates that while the African linsangs (''Poiana'') are true viverrids closely related to the [[Genet (animal)|genet]]s, the Asiatic linsangs (''Prionodon'') are not and may instead be the closest living relatives of the [[Felidae]] family.<ref>http://www.iucn.org/themes/ssc/sgs/mvpsg/pdf/Biblio/Gaubert_Veron_2003.pdf</ref> The similarities between Asiatic linsangs and cats are thus more likely to be due to common ancestry, while the similarities between the two genera of linsangs must be convergent. |
Both [[linsang]] genera (''Poiana'' and the Asian ''[[Prionodon]]'') formerly were placed in the subfamily [[Viverrinae]] (of Viverridae), along with several other genera, but recent research suggests that their actual relationships may be somewhat different. The linsangs are remarkable for their morphological resemblance to [[cat]]s, family [[Felidae]], which is greater than in the other viverrids. As the relationship between linsangs and cats was thought to be rather distant (the two groups belonging to different families within the superfamily [[Feliformia]]), this was considered an example of [[convergent evolution]]. However, DNA analysis indicates that while the African linsangs (''Poiana'') are true viverrids closely related to the [[Genet (animal)|genet]]s, the Asiatic linsangs (''Prionodon'') are not and may instead be the closest living relatives of the [[Felidae]] family.<ref>http://www.iucn.org/themes/ssc/sgs/mvpsg/pdf/Biblio/Gaubert_Veron_2003.pdf</ref> The similarities between Asiatic linsangs and cats are thus more likely to be due to common ancestry, while the similarities between the two genera of linsangs must be convergent. |
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Revision as of 14:27, 15 March 2009
| African linsangs[1] | |
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| Genus: | Poiana Gray, 1864
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The African linsangs also known as Oyans[2] are two species classified in the mammalian subfamily Viverrinae, in the family Viverridae. There is one genus, Poiana.
Both linsang genera (Poiana and the Asian Prionodon) formerly were placed in the subfamily Viverrinae (of Viverridae), along with several other genera, but recent research suggests that their actual relationships may be somewhat different. The linsangs are remarkable for their morphological resemblance to cats, family Felidae, which is greater than in the other viverrids. As the relationship between linsangs and cats was thought to be rather distant (the two groups belonging to different families within the superfamily Feliformia), this was considered an example of convergent evolution. However, DNA analysis indicates that while the African linsangs (Poiana) are true viverrids closely related to the genets, the Asiatic linsangs (Prionodon) are not and may instead be the closest living relatives of the Felidae family.[3] The similarities between Asiatic linsangs and cats are thus more likely to be due to common ancestry, while the similarities between the two genera of linsangs must be convergent.
The name linsang is from Javanese linsang or wlinsang, which used to be wrongly translated as "otter" in English dictionaries. Linsangs are nocturnal, generally solitary tree dwellers. They are carnivorous, eating squirrels and other rodents, small birds, lizards and insects. Typical size is a little over 30cm (1 foot), with a tail that more than doubles that length. Bodies are long, with short legs, giving a low appearance. All species have yellowish bodies with black markings (stripes, blotches and spots), though the distribution and nature of the markings varies between species.
The species of African linsangs are:
- Poiana leightoni - Leighton's Linsang
- Poiana richardsonii - African Linsang
References
- ^ Wozencraft, W. C. (2005). "Order Carnivora". In Wilson, D. E.; Reeder, D. M. (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. pp. 532–628. ISBN 978-0-8018-8221-0. OCLC 62265494.
- ^ Don E. Wilson , Russell A. Mittermeier (editors): Handbook of the Mammals of the World. Lynx Editions, Barcelona, 2009. ISBN 978-84-96553-49-1
- ^ http://www.iucn.org/themes/ssc/sgs/mvpsg/pdf/Biblio/Gaubert_Veron_2003.pdf
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