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Trimeresurus mcgregori TAYLOR, 1919

IUCN Red List - Trimeresurus mcgregori - Data Deficient, DD
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Higher TaxaViperidae, Crotalinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: McGregor's pitviper, McGregor's Tree Viper
G: Batanes-Bambusotter 
SynonymTrimeresurus mcgregori TAYLOR 1919: 110
Trimeresurus flavomaculatus mcgregori — LEVITON 1961
Trimeresurus flavomaculatus macgregori — KLEMMER 1963
Trimeresurus flavomaculatus mcgregori — WELCH 1994: 115
Trimeresurus mcgregori — GUMPRECHT 2001
Trimeresurus mcgregori — GUMPRECHT et al. 2004
Parias flavomaculatus mcgregori — MALHOTRA & THORPE 2004
Trimeresurus mcgregori — MATTISON 2007: 225
Parias mcgregori — ORLOV et al. 2009
Parias mcgregori — GUO et al. 2010
Trimeresurus (Parias) mcgregori — DAVID et al. 2011
Parias mcgregori — WALLACH et al. 2014: 538
Parias mcgregori — GUO et al. 2018
Trimeresurus (Parias) mcgregori — MIRZA et al. 2023 
DistributionPhilippines (Batan Island)

Type locality: Batan Island, Philippines.  
Reproductionoviparous (not imputed, fide Zimin et al. 2022) 
TypesNeotype: CAS 60525, designated by Leviton (1964). Holotype was BSM 748, an 865 mm specimen collected by R. C. McGregor on 12 June 1907. The holotype specimen was destroyed when the Bureau of Science Building, in Manila was destroyed during the early days of the second World War. Some years earlier a second specimen had been deposited in the collections of the California Academy of Sciences. This specimen, itself a topotype, is the one designated as neotype. On the holotype specimen's coloration, Taylor wrote,"in alcohol entire snake almost paper white with practically no trace of marking." That is also how the neotype looks like with the additional note by Leviton as, "eyes very pale, suggesting albinism." 
DiagnosisAdditional details, e.g. a detailed description or comparisons (2358 characters), are available for collaborators and contributors. Please contact us for details. 
CommentVenomous!

Conservation: one of the 30 most endangered viper species (Maritz et al. 2016).

Habitat: fully arboreal (Harrington et al. 2018). 
EtymologyNamed after Richard Crittenden McGregor (1871-1936), an Australian-born American ornithologist who collected the viper holotype (1907). At the time of his death he was Editor of the Philippine Journal of Science and Chief of the Publicity Division, Department of Agriculture and Commerce, Manila. 
References
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