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Corallus grenadensis (BARBOUR, 1914)

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Higher TaxaBoidae (Boinae), Henophidia, Alethinophidia, Serpentes, Squamata (snakes)
Common NamesE: Grenada Bank Treeboa, Grenada (Bank) Tree Boa
G: Grenada-Gartenboa 
SynonymBoa grenadensis BARBOUR 1914: 327
Boa cookii grenadensis — BARBOUR & LOVERIDGE 1929: 227
Boa grenadensis — HENDERSON 2002
Corallus grenadensis — HENDERSON 2004
Corallus grenadensis — DAUDIN 2007
Corallus grenadensis — MCTAGGART et al. 2011
Corallus grenadensis — HENDERSON et al. 2012
Corallus grenadensis — WALLACH et al. 2014: 183
Corallus grenadensis — REYNOLDS & HENDERSON 2018: 18 
DistributionGrenada, Lesser Antilles

Type locality: [“St. George’s, Grenada.”]  
TypesHolotype: MCZ 7791, an 1170 mm male (G. M. Allen, Aug. 1910). 
DiagnosisDiagnosis: Corallus grenadensis is distinguished from C. hortulanus by maximum rows of dorsal scales (37–46, x = 41.0 +/- 0.12 in grenadensis vs. 47–63, x = 55.0 +/- 0.17 in hortulanus). The primary spade-like element of the dorsal pattern occasionally occurs on the mainland (primarily the Guianas and northeastern Brazil), but not on St. Vincent (C. cooki). The rhomb pattern typical of C. ruschenbergerii does not occur in C. grenadensis [from HENDERSON 1997]. 
CommentSynonymy: Chippaux, 1986, has suggested that C. enydris is monotypic. STULL (1935) placed Boa grenadensis in synonymy with B. enydris cooki (= Corallus cookii). C. cooki is nested within hortulanus and thus may be a synonym of the latter (Colston et al. 2013).

Habitat: fully arboreal (Harrington et al. 2018). 
EtymologyNamed after the type locality. 
  • Barbour, Thomas 1914. A Contribution to the Zoögeography of the West Indies, with Especial Reference to Amphibians and Reptiles. Memoirs of the Museum of Comparative Zoölogy 44 (2): 205-359 - get paper here
  • Colston, Timothy J.; Felipe G. Grazziotin, Donald B. Shepard, Laurie J. Vitt, Guarino R. Colli, Robert W. Henderson, S. Blair Hedges, Sandro Bonatto, Hussam Zaher, Brice P. Noonan, Frank T. Burbrink 2013. Molecular systematics and historical biogeography of tree boas (Corallus spp.). Molecular Phylogenetics and Evolution 66 (3): 953-959 - get paper here
  • Daudin, Jacques; de Silva, Mark. 2007. An annotated checklist of the amphibians and terrestrial reptiles of the Grenadines with notes on their local natural history and conservation. Applied Herpetology 4 (2):163-175 - get paper here
  • Harrington, Sean M; Jordyn M de Haan, Lindsey Shapiro, Sara Ruane 2018. Habits and characteristics of arboreal snakes worldwide: arboreality constrains body size but does not affect lineage diversification. Biological Journal of the Linnean Society 125 (1): 61–71 - get paper here
  • Henderson, R. W. 2002. Neotropical Treeboas. Krieger Publ. Company, Malabar, 198 pp.
  • Henderson, R. W. 2015. Neotropical Treeboas - Natural History of the Corallus hortulanus Complex. Edition Chimaira. ISBN 9783899734386. 338 pp.
  • Henderson, R. W., Hileman, E. T., Sajdak, R. A., Harrison, B. C., Powell, R., & Bradke, D. R. 2021. Effects of body size, diet, and transience on the demography of the arboreal boid snake Corallus grenadensis on Carriacou (Grenada Grenadines, West Indies). Population Ecology - get paper here
  • Henderson, R.W. 2004. Correlation among Dorsal Body, Iris, and Tongue Color in a Local Population of Treeboas (Corallus grenadensis) on Grenada, Lesser Antilles. Carib. J. Sci. 40 (2): 270–273
  • Henderson, R.W., R.A. Sajdak & R.A. Winstel 1998. Habitat utilization by the arboreal boa Corallus grenadensis in two ecologically disparate habitats on Grenada Amphibia-Reptilia, 19(2): 203-214. - get paper here
  • Henderson, Robert W. and Craig S. Berg. 2012. Ameiva ameiva (Squamata: Teiidae) and Corallus grenadensis (Squamata: Boidae) on Petite Martinique (Grenada Grenadines), West Indies. Herpetology Notes 6: 439-440
  • Henderson, Robert W. and Michael J. Pauers 2012. On the Diets of Neotropical Treeboas (Squamata: Boidae: Corallus). South American J. Herp. 7 (2): 172-180. - get paper here
  • Henderson, Robert W.; Michael J. Pauers and Timothy J. Colston 2013. On the congruence of morphology, trophic ecology, and phylogeny in Neotropical treeboas (Squamata: Boidae: Corallus). Biological Journal of the Linnean Society, 109: 466–475. doi: 10.1111/bij.12052 - get paper here
  • HENDERSON, ROBERT W.; RICHARD A. SAJDAK, BILLIE C. HARRISON & ROBERT POWELL. 2021. CORALLUS GRENADENSIS (Grenada Bank Treeboa). FORAGING and POST-PREDATION BEHAVIOR. Herpetological Review 52 (3): 662. - get paper here
  • Lillywhite, Harvey B. 2014. How Snakes Work: Structure, Function and Behavior of the World's Snakes. Oxford University Press, New York, 256 pp
  • McTaggart, Audrey L.; Daniel P. Quinn, John S. Parmerlee, Robert W. Henderson, and Robert Powell 2011. A Rapid Assessment of Reptilian Diversity on Union Island, St. Vincent and the Grenadines. South American J. Herp. 6 (1): 59-65. - get paper here
  • POCHE, A. J. Jr. & POWELL, R. & HENDERSON, R. W. 2005. Sleep-site selection and fidelity in Grenadian Anoles. Herpetozoa 18: 3-10 - get paper here
  • Reynolds, R. Graham and Robert W. Henderson 2018. Boas of the World (Superfamily Booidae): A Checklist With Systematic, Taxonomic, and Conservation Assessments. Bulletin of the Museum of Comparative Zoology Sep 2018, Vol. 162, No. 1: 1-58. - get paper here
  • Rush, E. Marie and Robert W. Henderson. 2014. Corallus grenadensis (Grenada bank treeboa) diet. Herpetological Review 45 (1): 143 - get paper here
  • Rush, E. Marie; Robert W. Henderson, Michael Drake and Nicholas M. Lonce. 2013. Predation on the introduced frog Eleutherodactylus johnstonei by the arboreal boid Corallus grenadensis. Herpetology Notes 6: 353.
  • Sajdak, R A & Henderson, R W; 2019. Corallus grenadensis (Grenada Bank Treeboa) Diet and foraging behavior. Herpetological Review 50 (2): 388-389 - get paper here
  • Sajdak, Richard A. and Henderson, Robert W. 2017. Corallus grenadensis (Grenada Bank Treeboa) Diet. Herpetological Review 48 (1): 206-207 - get paper here
  • Sajdak, Richard A.; Craig S. Berg, and Robert W. Henderson 2016. Thorny Situations: Reptiles on the Grenadines. IRCF Reptiles & Amphibians 23 (1): 34–39 - get paper here
  • Wallach, Van; Kenneth L. Williams , Jeff Boundy 2014. Snakes of the World: A Catalogue of Living and Extinct Species. [type catalogue] Taylor and Francis, CRC Press, 1237 pp.
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