Tuesday, January 3, 2017

Double-headed Worm Lizard, Amphisbaena alba Linnaeus 1758

Amphisbaena alba Linnaeus 1758: 229.

Distribution. Panama, Guyana, Surinam, French Guiana, Venezuela, Colombia, Ecuador, Brazil, Peru, Bolivia, N Paraguay, Trinidad. Probably island wide on Trinidad.

Size. Adults reach 609 mm in total length. The tail is 10% or less than the body length.

Natural History. On Trinidad it has been associated with leaf cutter ant nests (Riley et al (1985). A Brazilian study (Colli and Zamboni, 1999) reports on this species natural history. Diet includes plant material as well as small vertebrates. Reproduction occurs in the dry season in Brazil, smallest reproductive males are 422 mm, smallest reproductive females 457 mm. Clutch size 8-16.

Andrade, Denis V.; Nascimento, Luciana B.; Abe, Augusto S. 2006. Habits hidden underground: a review on the reproduction of the Amphisbaenia with notes on four neotropical species. Amphibia-Reptilia 27 (2): 207-217

Colli, G.R. & Zamboni, D.S. 1999. Ecology of the Worm-Lizard Amphisbaena alba in the Cerrado of Central Brazil. Copeia 1999: 733-742

Gans, C. 1962. Notes on amphisbaenids (Amphisbaenia, Reptilia). 5. A redefinition and bibliography of Amphisbaena alba Linné. American Museum Novitates (2105): 1- 31

Gans, C. 2005. Checklist and bibliography of the Amphisbaenia of the world. Bull. Am. Mus. Nat. Hist. 289: 1-130

Gans, Carl 1967. A check list of recent amphisbaenians (Amphisbaenia, Reptilia). Bull. Amer. Mus. Nat. Hist. 135:61-106.

Linnaeus, C. 1758. Systema naturæ per regna tria naturæ, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Tomus I. Editio decima, reformata. Laurentii Salvii, Holmiæ. 10th Edition: 824 pp.

Rivas, Gilson A.; César R. Molina, Gabriel N. Ugueto, Tito R. Barros, César L. Barrio-Amorós 2012. Reptiles of Venezuela: an updated and commented checklist. Zootaxa 3211: 1–64

Starace, Fausto 1998. Guide des Serpents et Amphisbènes de Guyane. IBIS Rouge Editions, Guadeloupe, Guyane, 450 pp.

Vanzolini, P. E. 1955. Contribucoes ao conhecimento dos lagartos Brasileiros da familia Amphisbaenidae Gray, 1825 5. Distribuicao geographica e biometria de Amphisbaena alba L. Arquivos do Museu Nacional 42: 683-706

Vanzolini, P.E. 1974. Ecological and geographical distribution of lizards in Pernambuco, northeastern Brasil (Sauria). Papeis Avulsos de Zool. 28(4): 61-90.

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