Английская Википедия:Helicops hagmanni

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Шаблон:Short description Шаблон:Speciesbox

Helicops hagmanni, also known commonly as Hagmann's keelback, is a species of snake in the subfamily Dipsadinae of the family Colubridae. The species is native to the Amazon River basin in South America.

Etymology

The specific name, hagmanni, is in honor of Swiss-Brazilian zoologist Gottfried A. Hagmann.[1]

Geographic range

H. hagmanni is found in Brazil, Colombia, Peru, and Venezuela.[2]

Habitat

The preferred natural habitat of H. hagmanni is freshwater wetlands in forest, at altitudes below Шаблон:Cvt.[2]

Description

H. hagmanni has 21–29 rows of dorsal scales at midbody. Its subcaudal scales are keeled, and number only 50–59.[3] Its teeth are very long and are nonrecurved. [4]

Behavior

H. hagmanni is aquatic.[2]

Diet

H. hagmanni preys upon fishes.[2]

Reproduction

H. hagmanni is ovoviviparous.[3]

References

Шаблон:Reflist

Further reading

  • Freiberg M (1982). Snakes of South America. Hong Kong: T.F.H. Publications. 189 pp. Шаблон:ISBN. (Helicops hagmanni, p. 99).
  • Rossman DA (1975). "Redescription of the South American Colubrid Snake Helicops hagmanni Roux". Herpetologica 31 (4): 414–418.
  • Roux J (1910). "Eine neue Helicops-Art aus Brasilien ". Zoologischer Anzeiger 36: 439–440. (Helicops hagmanni, new species). (in German).


Шаблон:Taxonbar


Шаблон:Dipsadinae-stub

  1. Beolens, Bo; Watkins, Michael; Grayson, Michael (2011). The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. xiii + 296 pp. Шаблон:ISBN. (Helicops hagmanni, p. 114).
  2. 2,0 2,1 2,2 2,3 Ошибка цитирования Неверный тег <ref>; для сносок IUCN не указан текст
  3. 3,0 3,1 Шаблон:EMBL species www.reptile-database.org.
  4. Rossman DA (1975)