Phrynonax poecilonotus

Phrynonax poecilonotus is a species of nonvenomous snake in the family Colubridae. The species is endemic to the New World.

Phrynonax poecilonotus
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Colubridae
Genus: Phrynonax
Species:
P. poecilonotus
Binomial name
Phrynonax poecilonotus
(Günther, 1858)
Synonyms[1]
  • Spilotes poecilonotus
    Günther, 1858
  • Phrynonax poecilonotus
    — Boulenger, 1894
  • Pseustes poecilonotus
    — Brongersma, 1937
  • Phrynonax poecilonotus
    — Jadin et al., 2013

Common names

P. poecilonotus is commonly known in Trinidad and Tobago as dos cocorite, in Brazil as papa-ovo, and in English as the puffing snake or the bird snake.

Geographic range

P. poecilonotus is found from Mexico through Central America to northern and central South America and Trinidad and Tobago.[2] [3]

Diet

P. poecilonotus apparently eats any terrestrial vertebrate small enough to handle and is well known as a predator of bird eggs (hence some of the common names).

Description

''P. poecilonotus'' is one of the most variable snakes in the world. For about the first year of their life, they look very dull in color, and even look all the same upon hatching. for the first four years of their life, the snake's appearance will change rapidly, from slate grey and yellow, to slate and orange, ect. Past the first four years of life, changes will be very slow, but they will change in appearance. The snake's can be combinations of black with red, orange, yellow, and/or lavendar, or slate and red, yellow, orange, and/or lavender. However, when handled, their behavior is similar, and they will readily bite.

References
  1. "Phrynonax poecilonotus ". The Reptile Database. www.reptile-database.org.
  2. Peters, James A.; Donoso-Barros, Roberto (1986). Catalogue of the Neotropical Squamata. Part I. Snakes. Washington, District of Columbia: Smithsonian Institution Press. ISBN 0-87474-757-0.
  3. Boos, Hans E.A. (2001). The Snakes of Trinidad and Tobago. College Station, Texas: Texas A&M University Press. ISBN 1-58544-116-3.

Further reading
  • Boulenger GA (1894). Catalogue of the Snakes in the British Museum (Natural History). Volume II., Containing the Conclusion of the Colubridæ Aglyphæ. London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xi + 382 pp. + Plates I-XX. (Phrynonax pœcilonotus, new combination, p. 20).
  • Freiberg M (1982). Snakes of South America. Hong Kong: T.F.H. Publications. 189 pp. ISBN 0-87666-912-7. (Pseustes poecilonotus, p. 108 + color photo on p. 151).
  • Günther A (1858). Catalogue of the Colubrine Snakes in the Collection of the British Museum. London: Trustees of the British Museum. (Taylor and Francis, printers). xvi + 281 pp. (Spilotes pœcilonotus, new species, pp. 100–101).
  • Jadin, Robert C.; Burbrink, Frank T.; Rivas, Gilson A.; Vitt, Laurie J.; Barrio-Amorós, César L.; Guralnick, Robert P. (2013). "Finding arboreal snakes in an evolutionary tree: phylogenetic placement and systematic revision of the Neotropical birdsnakes". Journal of Zoological Systematics and Evolutionary Research 52 (3): 257-264.
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