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Ablepharus

Ablepharus is a genus of skinks that contains the common snake-eyed skinks.[1] Both their scientific and common names refer to the fact that their eyelids have fused to a translucent capsule; as in snakes, they thus are physically incapable of blinking.[2] They are small lizards and prefer to live in the leaf litter of dry fields and hills.[3] Their scales give them a very shiny, bronze appearance with a characteristically dark stripe down the sides of their bodies. They prey on small insects and other small mollusks.[4]

Ablepharus
European snake-eyed skink, Ablepharus kitaibelii
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Family: Scincidae
Subfamily: Eugongylinae
Genus: Ablepharus
Lichtenstein, 1823
Species

Ablepharus alaicus
Ablepharus anatolicus
Ablepharus bivittatus
Ablepharus budaki
Ablepharus chernovi
Ablepharus darvazi
Ablepharus deserti
Ablepharus eremchenkoi
Ablepharus grayanus
Ablepharus himalayanus
Ablepharus kitaibelii
Ablepharus ladacensis
Ablepharus lindbergi
Ablepharus mahabharatus
Ablepharus nepalensis
Ablepharus pannonicus
Ablepharus rueppellii
Ablepharus sikimmensis
Ablepharus tragbulensis

Characteristics

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Appearance

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The scales on all Ablepharus species are shiny and bronze in appearance. Also, a very characteristic bronze stripe runs the length of the dorsal surface of the body. They have short, weak front legs, which contribute to their moving in a serpentine-like manner. In general, females are longer and weigh more than their male counterparts. Ablepharus species have thick tails relative to their body sizes and lengths.[4] Fully mature Ablepharus species can reach a total length (including tail) of up to 15 cm (5.9 in). On average, both males and females reach a total length of up to about 13 cm (5.1 in).[5]

Mannerisms and habitat

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As a whole, Ablepharus skinks are generally shy creatures. They tend to bask in the sunlight during the daytime and become more active as dusk and darkness approach.[5] They make their homes in rocky areas with leaf litter and little soil.[6]

Distribution

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The geographic range of the common snake-eyed skink spans from southern European countries to northern African countries; also, some species are native to southeast Asia.[5] While most of the species in the genus prefer remaining low to the ground and in drier environments, some species may be found in damper habitats up to 2,000 m above sea level.[4]

Diet

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Analysis of the stomach contents of certain Ablepharus species has led to the conclusion that common snake-eyed skinks are typically generalist predators.[6] They mainly feed on small arthropods, mollusks, and small snails.[4]

Lifecycle

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In captivity, common snake-eyed skinks are known to survive up to three and a half years; in the wild, where they are preyed upon, they live about two and a half years.[4] Upon reaching reproductive maturity, the female snake-eyed skink lays between two and four eggs at a time; these eggs will then take at least 9 weeks to hatch. Hatchlings typically measure around 3.5 cm long. About two years are needed for the hatchlings to reach reproductive maturity.[4]

Species

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There are 19 species in the genus Ablepharus which are recognized as being valid:[1]

Found in China, Kyrgyzstan, Uzbekistan, Tajikistan, and Kazakhstan
Found in Azerbaijan, Turkey, south-eastern and central Armenia, Iran, and Turkmenistan
Typically found in thorny shrubbery, grasslands, and rocky slopes[7]
Found in Turkey, Syria, Lebanon, and Cyprus
Typically inhabits leaf litter, woodlands, shrubbery, and forests in humid areas[8]
Found in Syria, Turkey, and Armenia
Typically, they are found hiding under leaf litter and small stones in open areas with little shrubbery or forestation. Some may also be found on some of the gentler slopes on some mountain ranges.[9]
Found in Tajikistan, India, Afghanistan, and Pakistan[10]
Found in Turkmenistan, Kazakhstan, Uzbekistan, Tajikistan, and Kyrgyzstan
Generally observed in desert lands and dry slopes with several different types of angiosperms around 2,000 m above sea level[11]
Found in Kyrgyzstan and Kazakhstan
Found in Pakistan, India, Nepal, and Turkmenistan
Found in Kyrgyzstan and Kazakhstan, Pakistan, India, Nepal
Found in southern Slovakia, Serbia, Hungary, Eastern Croatia, Albania, Greece, southern Romania, Macedonia, and Turkey
Inhabits arid regions containing meadows, scrubland, and woodland clearings, as well as hilly areas[12]
Found in Tibet (China), North India, western Nepal, and northern Pakistan.
Found in western Afghanistan[13]
Found in Nepal.
Found in Nepal.
Found in the United Arab Emirates, eastern Georgia, Iraq, Iran, Oman, Pakistan, Syria, Jordan, Afghanistan, Caucasus, northwestern India, southwestern Tajikistan, southern Turkmenistan, Kyrgyzstan, Uzbekistan, and western Azerbaijan[14]
Found in central and northern Israel, the Sinai Peninsula of Egypt, southern Lebanon, western and northern Jordan, and possible reported sightings in Syria and Jordan
Inhabits more heavily forested areas with dense vegetation, prefer humid areas, especially the oases in Egypt[15]
Found in Bangladesh (Rangpur), Bhutan, China (Tibet), India (Darjeeling, Sikkim) and Nepal.
Found in India and Pakistan.

Nota bene: A binomial authority in parentheses indicates that the species was originally described in a genus other than Ablepharus.

References

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  1. ^ a b Ablepharus at the Reptarium.cz Reptile Database. Accessed 23 December 2013.
  2. ^ Orbital Lubrication Hypothesis at the Canadian Journal of Zoology
  3. ^ Ablepharus kitaibelii at the IUCN Red List
  4. ^ a b c d e f Snake-eyed Skink Archived 2014-12-14 at the Wayback Machine at the Wildlife Archipelago Archived 2014-12-14 at the Wayback Machine
  5. ^ a b c European Copper Skink at the INaturalist
  6. ^ a b Ablepharus Microhabitat at the Springer Link
  7. ^ Ablepharus bivittatus at the IUCN Redlist
  8. ^ Ablepharus budaki at the IUCN Redlist
  9. ^ Ablepharus chernovi at the IUCN Redlist
  10. ^ Ablepharus darvazi Archived 2016-03-04 at the Wayback Machine at the Study Room Archived 2015-02-01 at the Wayback Machine
  11. ^ Ablepharus desert at the IUCN Redlist
  12. ^ European copper skink at the IUCN Redlist
  13. ^ Ablepharus lindbergi at the Reptile Database
  14. ^ Ablepharus pannonicus at the Reptile Database
  15. ^ Ablepharus rueppellii at the Reptile Database

Further reading

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  • Lichtenstein H (1823). Verzeichniss der Doubletten des zoologischen Museums der Königl. Universität zu Berlin nebst Beschreibung vieler bisher unbekannter Arten von Säugethieren, Vögeln, Amphibien und Fischen. Berlin: T. Trautwein. x + 118 pp. + one plate. (Ablepharus, new genus, p. 103). (in German and Latin).
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