# Senticolis

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{{Short description|Genus of snakes}}
{{speciesbox
| image = Northern Green Ratsnake (Senticolis triaspis intermedia).jpg
| image_caption = Northern green ratsnake (''Senticolis triaspis intermedia'') from Sonora, México
| status = LC
| status_system = IUCN3.1
| status_ref = <ref name="iucn status 12 November 2021">{{cite iucn |author=Hammerson, G.A. |author2=Mendoza-Quijano, F. |author3=Lee, J. |author4=Vazquez Díaz, J. |author5=Quintero Díaz, G.E. |date=2015 |title=''Senticolis triaspis'' |volume=2015 |article-number=e.T190631A79915739 |doi=10.2305/IUCN.UK.2015.RLTS.T190631A79915739.en |access-date=12 November 2021}}</ref>
| genus = Senticolis
| parent_authority = [Dowling](/source/Herndon_Dowling) & [Fries](/source/Isabelle_Fries), 1987
| species = triaspis
| authority = ([Cope](/source/Edward_Drinker_Cope), 1866)
| subdivision_ranks = Subspecies
| subdivision = Three, see text.
| range_map = Senticolis triaspis range map.png
| synonyms = *''Coluber triaspis'' <br />{{small|Cope, 1866}}
*''Coluber chlorosoma'' <br />{{small|[Günther](/source/Albert_G%C3%BCnther), 1894}}
*''Elaphe chlorosoma'' <br />{{small|— [Stejneger](/source/Leonhard_Stejneger) & [Barbour](/source/Thomas_Barbour), 1917}}
*''Elaphe triaspis'' <br />{{small|— [Amaral](/source/Afr%C3%A2nio_Pomp%C3%ADlio_Gastos_do_Amaral), 1929}}
*''Senticolis triaspis'' <br />{{small|— Dowling & Fries, 1987}}
| synonyms_ref = <ref name=RDB/>
}}

'''''Senticolis''''' is a [genus](/source/genus) of non[venomous snake](/source/venomous_snake) in the [family](/source/Family_(taxonomy)) [Colubridae](/source/Colubridae). The genus ''Senticolis'' is [monotypic](/source/Monotypic_taxon), containing the sole [species](/source/species) '''''Senticolis triaspis''''', also known as the '''green rat snake'''. The species is [endemic](/source/Endemism) to [Central America](/source/Central_America), [Mexico](/source/Mexico), southern [Arizona](/source/Arizona), and southern [New Mexico](/source/New_Mexico).

==Description==
''Senticolis triaspis'' may grow to a total length (including tail) of {{convert|160|cm|in|abbr=on}}. [Dorsally](/source/Dorsum_(anatomy)), it is green or olive green, and ventrally it is light yellow.<ref name=Bren/> The head is elongated, the body is slender, and the smooth [dorsal scales](/source/dorsal_scales) are arranged in 31–39 rows.<ref>Wright & Wright 1957.</ref>

==Habitat==
''Senticolis triaspis'' usually inhabits evergreen forests and grassland.<ref name=Bren/>

==Geographic range==
''Senticolis triaspis'' is well distributed in the [Baboquivari](/source/Baboquivari_Peak_Wilderness), [Pajarito](/source/Pajarito_Mountains%2C_Arizona), [Atascosa](/source/Atascosa_Mountains), [Santa Rita](/source/Santa_Rita_Mountains), Empire, [Patagonia](/source/Patagonia_Mountains), [Chiricahua](/source/Chiricahua_Mountains), [Swisshelm](/source/Swisshelm_Mountains), Pedregosa, and [Peloncillo](/source/Peloncillo_Mountains_(Cochise_County)) mountains of southeastern [Arizona](/source/Arizona).<ref name=Bren/>

==Diet==
''Senticolis triaspis'' consumes small animals such as [lizard](/source/lizard)s, [bird](/source/bird)s, and [bat](/source/bat)s, killing them by deadly [constriction](/source/constriction).<ref name=Bren/>

==Behavior==
''Senticolis triaspis'' is  primarily [diurnal](/source/Diurnality).<ref name=Bren/>

==Reproduction==
An adult female of ''S.&nbsp;triaspis'' is able to lay up to nine [egg](/source/egg)s in a clutch.<ref name=Bren>Brennan, Thomas C. (2008). [http://www.reptilesofaz.org/Snakes-Subpages/h-s-triaspis.html Green Ratsnake (''Senticolis triaspis'')] - Reptiles of Arizona. The Reptiles and Amphibians of Arizona. Retrieved December 18, 2010.</ref>

==Subspecies==
Three [subspecies](/source/subspecies) are recognized as being valid, including the [nominotypical subspecies](/source/nominotypical_subspecies).<ref name=RDB>"''Senticolis triaspis'' ". The Reptile Database. www.reptile-database.org.</ref>
*''Senticolis triaspis intermedia'' {{small|([Boettger](/source/Oskar_Boettger), 1883)}} – Arizona, New Mexico, northern Mexico
*''Senticolis triaspis mutabilis'' {{small|([Cope](/source/Edward_Drinker_Cope), 1885)}} – Central America
*''Senticolis triaspis triaspis'' {{small|(Cope, 1866)}} – southern Mexico

''[Nota bene](/source/Nota_bene)'': A [trinomial authority](/source/Trinomen) in parentheses indicates that the subspecies was originally described in a genus other than ''Senticolis''.

==References==
{{reflist}}

==Further reading==
*[Behler, John L.](/source/John_L._Behler); F. Wayne King (1979). ''The Audubon Society Field Guide to North American Reptiles and Amphibians''. New York: Alfred A. Knopf. 743 pp., 657 plates. {{ISBN|0-394-50824-6}}. (''Elaphe triaspis'', p.&nbsp;608 + Plate 479).
*[Cope ED](/source/Edward_Drinker_Cope) (1866). "Fourth Contribution to the HERPETOLOGY of Tropical America". ''Proc. Acad. Nat. Sci. Philadelphia'' '''18''': 123–132. (''Coluber triaspis'', new species, p.&nbsp;128).
*Dowling, Herndon G.; Isabelle Fries (1987). "A Taxonomic Study of the Ratsnakes. VIII. A Proposed New Genus for ''Elaphe Triaspis'' (Cope)". ''Herpetologica'' '''43''' (2): 200–207. (''Senticolis'', new genus).
*[Schmidt, Karl P.](/source/Karl_Patterson_Schmidt); D. Dwight Davis (1941). ''Field Book of Snakes of the United States and Canada''. New York: G.P. Putnam's Sons. 365 pp., 34 plates, 103 figures. (''Elaphe chlorosoma'', p.&nbsp;146).
*[Smith, Hobart M.](/source/Hobart_Muir_Smith); Edmund D. Brodie, Jr. (1982). ''Reptiles of North America: A Guide to Field Identification''. New York: Golden Press. 240 pp. {{ISBN|0-307-13666-3}} (paperback), {{ISBN|0-307-47009-1}} (hardcover). (''Elaphe triaspis'', pp.&nbsp;184–185).
*[Stebbins RC](/source/Robert_C._Stebbins) (2003). ''A Field Guide to Western Reptiles and Amphibians, Third Edition''. The Peterson Field Guide Series ®. Boston and New York: Houghton Mifflin Company. xiii + 533 pp.&nbsp;56 plates. {{ISBN|978-0-395-98272-3}}. (''Senticolis triaspis'', pp.&nbsp;359–360 + Plate 45 + Map 149).
*[Stejneger L](/source/Leonhard_Stejneger), [T Barbour](/source/Thomas_Barbour) (1917). ''A Check List of North American Amphibians and Reptiles''. Cambridge, Massachusetts: Harvard University Press. 125 pp. (''Elaphe chlorosoma'', p.&nbsp;82). 
*[Wright, Albert Hazen](/source/Albert_Hazen_Wright); Anna Allen Wright (1957). ''Handbook of Snakes of the United States and Canada''. Ithaca and London: Comstock Publishing Associates, a division of Cornell University Press. 1,105 pp. (in two volumes). (''Elaphe triaspis'', pp.&nbsp;258–262, Figure 80 + Map 23 on p.&nbsp;223).

==External links==
*{{ITIS|id=209458|taxon=''Senticolis triaspis ''}}
{{Wikispecies}}

{{Taxonbar|from=Q1870466}}

Category:Colubrinae
Category:Rat snakes
Category:Monotypic snake genera

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Adapted from the Wikipedia article [Senticolis](https://en.wikipedia.org/wiki/Senticolis) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Senticolis?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.