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Chilabothrus granti (STULL, 1933)

IUCN Red List - Chilabothrus granti - Endangered, EN
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Higher TaxaBoidae (Boinae), Henophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Virgin Islands boa
G: Virgin Islands-Schlankboa 
SynonymEpicrates inornatus granti STULL 1933: 1
Epicrates monensis granti — SHEPLAN & SCHWARTZ 1974: 102
Epicrates monensis granti — MAYER & LAZELL 1988
Epicrates granti — PLATENBERG & HARVEY 2010
Chilabothrus granti — RODRÍGUEZ-ROBLES et al. 2015
Chilabothrus granti — REYNOLDS & HENDERSON 2018: 12 
DistributionPuerto Rico, British Virgin Islands (Great Camanoe, Guana, Necker, St Thomas, Tortola & Virgin Gorda), Virgin Islands (US): Culebra, St. Thomas, Tortola, Cayo Diablo

Type locality: Tortola Island  
Reproductionviviparous (not imputed, fide Zimin et al. 2022) 
TypesHolotype: MCZ 33947, adult male 
DiagnosisDiagnosis: This form may be distinguished from the most closely related forms as follows: from E. i. inornatus by the higher number of scale rows (48 instead of 41-43), the higher number of supralabials (14 as compared with 11-12) and infralabials (16 as compared with 11-14), the more distinct dorsal spots, and the grey rather than brown ground color (in life E. i. inornatus is a decidedly brown snake, while E. i. granti is distinctly greyish); from E. i. fordii by the higher number of scale rows (48 instead of 33-37) and the higher number of ventral scutes (269 as compared with 243-259). (Stull 1933)


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CommentAbundance: This is the most common snake in the British Virgin Islands. 
EtymologyNamed after Major Chapman Grant (1887-1983), a grandson of Ulysses S. Grant, 18th President of the USA. He worked at the Children's Museum, Brooklyn Institute of Arts and Sciences and participated in expeditions of the San Diego Museum of Natural History and the University of Illinois (1950S). He started the journal Herpetologica (1932) and co-founded the Herpetologists' League (1936). 
References
  • Harvey, Daniel S.; Platenberg, Renata J. 2009. Predicting habitat use from opportunistic observations: a case study of the Virgin Islands tree boa (Epicrates granti). The Herpetological Journal 19: 111-118 - get paper here
  • Mayer, G.C. & Lazell, J. 1988. Distributional records for reptiles and amphibians from the Puerto Rico Bank. Herpetological Review 19 91): 23-24 - get paper here
  • Platenberg, R.J., Harvey, D.S., 2010. Endangered species and land use conflicts: a case study of the Virgin Islands Boa (Epicrates granti). Herp. Cons. Biol. 5: 548–554
  • 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
  • REYNOLDS, ROBERT GRAHAM; ROBERT W. HENDERSON, LUIS M. DÍAZ, TOMÁS M. RODRÍGUEZ-CABRERA AND ALBERTO R. PUENTE-ROLÓN 2023. Boas of the West Indies Comstock Publishing / Cornell U Press - get paper here
  • Rodriguez-Robles, Javier A., Tereza Jezkova, Matthew K. Fujita, Peter J. Tolson, Miguel A. Garcia 2015. Genetic divergence and diversity in the Mona and Virgin Islands Boas, Chilabothrus monensis (Epicrates monensis) (Serpentes: Boidae), West Indian snakes of special conservation concern. Molecular Phylogenetics and Evolution 88: 144-153; doi:10.1016/j.ympev.2015.03.019 - get paper here
  • Schwartz, A. & Henderson, R.W. 1988. West Indian Amphibian and Reptiles: A Checklist. Milwaukee Publ. Mus. Contr. Biol. Geol. No. 74: 264 pp. - get paper here
  • Stull, O.G. 1933. Two new subspecies of the family Boidae. Occasional Papers of the Museum of Zoology University of Michigan (267): 1-4. - get paper here
  • Zimin, A., Zimin, S. V., Shine, R., Avila, L., Bauer, A., Böhm, M., Brown, R., Barki, G., de Oliveira Caetano, G. H., Castro Herrera, F., Chapple, D. G., Chirio, L., Colli, G. R., Doan, T. M., Glaw, F., Grismer, L. L., Itescu, Y., Kraus, F., LeBreton 2022. A global analysis of viviparity in squamates highlights its prevalence in cold climates. Global Ecology and Biogeography, 00, 1–16 - get paper here
 
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