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Steppe rat snake

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Steppe rat snake
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Colubridae
Genus: Elaphe
Species:
E. dione
Binomial name
Elaphe dione
(Pallas, 1773)
Synonyms[2]

Elaphe dione, commonly known as Dione's rat snake, the steppe rat snake, or the steppes rat snake, is a species of snake in the family Colubridae. The species is native to Asia and Eastern Europe. There are no subspecies that are recognized as being valid. A large specimen from Putyatin Island measured up to 90 cm (3.0 ft) in length.[3]

Etymology

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The specific name, dione, refers to the Greek mythological figure Dione who was the mother of Aphrodite.[4]

Habitat

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E. dione is found in eastern Ukraine, southern and southeastern Russia, Central Asia, Iran, Afghanistan, Mongolia, parts of China, and Korea.[1][2] It is found in a wide variety of habitats including forest, shrubland, grassland, rocky areas, desert, freshwater wetlands, and disturbed areas, at altitudes from sea level to 3,580 m (2.22 mi).[1]

Behavior

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An adult female mates with two or more males, sometimes copulating with two males at the same time.[5] E. dione is oviparous,[2] and adult females lay a clutch of 3–15 eggs in July or August,[1] though some can lay a clutch of up to 24 eggs.[6]

References

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  1. ^ a b c d Aghasyan, A.; Avci, A.; Tuniyev, B.; Crnobrnja-Isailovic, J.; Lymberakis, P.; Andrén, C.; Cogalniceanu, D.; Wilkinson, J.; Ananjeva, N.B.; Üzüm, N.; Orlov, N.L.; Podloucky, R.; Tuniyev, S.; Kaya, U.; Li, P.; Borkin, L.; Milto, K.; Golynsky, E.; Rustamov, A.; Nuridjanov, D.; Munkhbayar, K.; Shestapol, A. (2017). "Elaphe dione". IUCN Red List of Threatened Species. 2017: e.T157275A747623. doi:10.2305/IUCN.UK.2017-2.RLTS.T157275A747623.en. Retrieved 19 November 2021.
  2. ^ a b c Elaphe dione at the Reptarium.cz Reptile Database
  3. ^ Ratnikov, V. (2022). "Comparative Osteology of Two Far Eastern Species of Ratsnakes (Serpentes: Colubridae), Elaphe dione (Pallas, 1773) and E. schrenckii (Strauch, 1873), for the Purpose of Palaeontological Studies". Asian Herpetological Research. 13 (1): 1–22. doi:10.16373/j.cnki.ahr.210021.
  4. ^ Beolens, Bo; Watkins, Michael; Grayson, Michael (2011). The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. xiii + 296 pp. ISBN 978-1-4214-0135-5. (Elaphe dione, p. 73).
  5. ^ Do, M.S.; Choi, J.H.; Lee, H.-T.; Lee, S.-C. (2004). "Mating System and Behavior of Steppe Rat Snake (Elaphe dione) in South Korea". Russian Journal of Herpetology. 31 (1): 56–59. doi:10.30906/1026-2296-2024-31-1-56-59.
  6. ^ Pokhilyuk, Nikita E. (2022). "Notes on Captive Breeding of Three Snake Species (Colubridae) from the Russian Far East". Jordan Journal of Natural History. 9 (1): 19–23.

Further reading

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  • Boulenger GA (1894). Catalogue of the Snakes in the British Museum (Natural History). Volume II., Containing the Conclusion of the Colubridæ Aglyphæ. London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xi + 382 pp. + Plates I-XX. (Coluber dione, pp. 44–45). doi:10.5962/bhl.title.8316
  • Pallas PS (1773). Reise durch verschiedenen Provinzen des Russischen Reichs, Zweiter Theil. [=Travels through different provinces of the Russian Empire, Volume 2]. Saint Petersburg: Kaiserlichen Akademie der Wissenschaften. 744 pp. (Coluber dione, new species, p. 717). (in German and Latin).
  • Shannon FA (1956). "The Reptiles and Amphibians of Korea". Herpetologica 12 (1): 22–49. JSTOR 3889565
  • Stejneger L (1907). Herpetology of Japan and Adjacent Territory. United States National Museum Bulletin 58. Washington, District of Columbia: Smithsonian Institution. xx + 577 pp. (Elaphe dione, new combination, pp. 315–318, Figure 272).