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Borikenophis portoricensis (Reinhardt & Lütken 1862)

Puerto-Rico-Schlanknatter ( Alman )

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Die Puerto-Rico-Schlanknatter (Borikenophis portoricensis, Syn.: Alsophis portoricensis) ist eine Vertreterin der Familie der Nattern.

Beschreibung

Die Puerto-Rico-Schlanknatter erreicht eine Länge von 93 Zentimetern. Die Rückenschuppen sind braun mit dunkelbraunen Rändern. Der Kopf ist nicht markiert. Die Kehle ist entweder unmarkiert oder mit dunklen Punkten bedeckt. Die Bauchschuppen sind hell mit dunkelbraunen Rändern.

Vorkommen

Das Verbreitungsgebiet erstreckt sich von Puerto Rico über die Amerikanischen Jungferninseln bis zu den Britischen Jungferninseln.

Lebensweise

Die Puerto-Rico-Schlanknatter ist tagaktiv und geht sowohl auf Bäumen als auch am Boden auf Nahrungssuche. Sie ernährt sich von Anolis-Echsen sowie von Geckos, kleinen Leguanen und Fröschen. Sie ist an trockene Lebensräume angepasst und aalt sich während der heißen Tageszeit in der Sonne. Zwischen März und Mai legt das Weibchen bis zu elf Eier.

Wenn die Puerto-Rico-Schlanknatter angegriffen wird, richtet sie sich auf und verbreitert, ähnlich einer Kobra, ihren Hals zu einer flachen Scheibe. Ihr Gift verursacht beim Menschen Schmerzen, Schwellungen und Hautverfärbungen.

Status

Die Puerto-Rico-Schlanknatter ist im größten Bereich ihres Verbreitungsgebietes häufig. Auf Saint Thomas in den Amerikanischen Jungferninseln ist sie ausgestorben. Jedoch ist sie in jüngster Zeit auf der südlich von Saint Thomas gelegenen Insel Water Island und auf einigen Cays nachgewiesen worden. Auf Saint John ist sie extrem selten.

Literatur

  • Albert Schwartz & Robert W. Henderson: Amphibians and reptiles of the West Indies: descriptions, distributions, and natural history. – University of Florida Press, Gainesville, 1991. ISBN 9780813010496

Weblinks

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Puerto-Rico-Schlanknatter: Brief Summary ( Alman )

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Die Puerto-Rico-Schlanknatter (Borikenophis portoricensis, Syn.: Alsophis portoricensis) ist eine Vertreterin der Familie der Nattern.

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Borikenophis portoricensis ( Anglèis )

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Borikenophis portoricensis[2] (Puerto Rican Spanish: culebra corredora;[3] English: Puerto Rican racer[4]) is a snake endemic to Puerto Rico and the Virgin Islands. It can grow to three feet long.

Range

The Puerto Rican racer is endemic to the island of Puerto Rico, as well as the Virgin Islands.[5] It slinks around in the trees of the Toro Negro State Forest.[6] It has also been spotted at El Yunque National Forest.[7]

Appearance

Its body sports a solid brown color with each of his scales edged by a darker brown. The Puerto Rican racer also possesses a neck hood similar, but narrower, to that of a cobra which it exposes by raising the front quarters of their bodies off the ground in a manner similar to that genus. However, unlike the Naja snakes, B. portoricensis does not gratuitously exhibit this behavior as an intimidation tactic and generally employs it while engaging on offensive behavior after being provoked, which typically involves adopting the posture followed by an emboldened strike.[8]

Hunting habits

Like the Toro Negros's other various garden snakes, it is a daytime hunter.[9] It is capable of inflicting a venomous bite.[5] The severity of its venom depends on the susceptibility of the victim : its venom is capable of fully paralyzing small reptiles and rodents rendering them helpless for consumption, but in humans its effects ranges from mild swelling to immobilization and severe numbness that may last up to a month.[8] No fatalities have been reported from the bite of a Puerto Rican racer.[8]

Once it captures its prey, B. portoricensis has a tendency of relocating it prior to feeding.[8]

Although still susceptible to infection, it is more resistant to parasites than other local snakes, allowing it to survive exclusively on lizards.[8]

See also

References

  1. ^ Rodriguez, C. & Platenberg, R. 2019. Borikenophis portoricensis. The IUCN Red List of Threatened Species 2019: e.T190570A71748216. https://dx.doi.org/10.2305/IUCN.UK.2019-2.RLTS.T190570A71748216.en. Accessed on 09 November 2022.
  2. ^ a b c Uetz, Peter; Hallermann, Jakob. "Borikenophis portoricensis". The Reptile Database. Retrieved 11 September 2013.
  3. ^ Volume 1: Land Cover, Vertebrate Species Distributions, and Land Stewardship. William A. Gould, Caryl Alarcón, Brick Fevold, Michael E. Jiménez, Sebastián Martinuzzi, Gary Potts, Maya Quiñones, Mariano Solórzano, and Eduardo Ventosa. The Puerto Rico Gap Analysis Project. (Publication Number: IITF-GTR-39) USDA. Forest Service. International Institute of Tropical Forestry. March 2008. Page 140. Retrieved 18 August 2013.
  4. ^ 2007 Wildlife Facts - Puerto Rican Racer. USDA. Forest Service. "El Yunque National Forest." Retrieved 26 August 2013.
  5. ^ a b Is the Puerto Rican racer, Alsophis portoricensis, really harmless? A case report series. García-Gubern C., Bello R., Rivera V., Rocafort A., Colon-Rolon L., Acosta-Tapia H. (Department of Emergency Medicine, Hospital San Lucas, Ponce School of Medicine, Ponce, Puerto Rico.) 2010. Wilderness Medical Society. Published by Elsevier Inc. (Wilderness Environ Med. 2010 Dec; 21(4):353-6. doi: 10.1016/j.wem.2010.07.001. Epub 2010 Aug 5.) Retrieved 29 July 2013.
  6. ^ Animals in the Toro Negro Forest. Archived 30 December 2014 at the Wayback Machine Amy M. Armstrong. Demand Media. Retrieved 30 July 2013.
  7. ^ El Yunque National Forest: 2007 Wildlife Facts - Puerto Rican Racer. United States Department of Agriculture. Forest Service. Accessed 20 May 2019.
  8. ^ a b c d e Snakes Of Puerto Rico. Larry Rodriguez-Fornaris. Chewy, Inc. 2018. Accessed 20 May 2019.
  9. ^ Animals in the Toro Negro Forest. Archived December 30, 2014, at the Wayback Machine Amy M. Armstrong. Demand Media. Retrieved 30 July 2013.
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Borikenophis portoricensis: Brief Summary ( Anglèis )

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Borikenophis portoricensis (Puerto Rican Spanish: culebra corredora; English: Puerto Rican racer) is a snake endemic to Puerto Rico and the Virgin Islands. It can grow to three feet long.

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Borikenophis portoricensis ( Basch )

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Borikenophis portoricensis Borikenophis generoko animalia da. Narrastien barruko Dipsadidae familian sailkatuta dago.

Erreferentziak

Ikus, gainera

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Borikenophis portoricensis: Brief Summary ( Basch )

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Borikenophis portoricensis Borikenophis generoko animalia da. Narrastien barruko Dipsadidae familian sailkatuta dago.

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Borikenophis portoricensis ( Fransèis )

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Borikenophis portoricensis est une espèce de serpents de la famille des Dipsadidae[1].

Répartition

Cette espèce est endémique du banc de Porto Rico aux Antilles[1]. Elle se rencontre à Porto Rico et aux îles Vierges.

Liste des sous-espèces

Selon Reptarium Reptile Database (27 août 2013)[2] :

Étymologie

Son nom d'espèce, composé de portoric[o] et du suffixe latin -ensis, « qui vit dans, qui habite », lui a été donné en référence au lieu de sa découverte.

Publications originales

  • Reinhardt & Lutken, 1863 : Bidrag til det vestindiske Öriges og navnligen til de dansk-vestindiske Öers Herpetologie. Videnskabelige meddelelser fra den Naturhistoriske forening i Kjöbenhavn, vol. 1862, no 10/18, p. 153-291 (texte intégral).
  • Barbour, 1917 : Notes on the herpetology of the Virgin Islands. Proceedings of the Biological Society Washington, vol. 30, p. 97-103 (texte intégral).
  • Grant, 1937 : Herpetological notes with new species from the American and British Virgin Islands, 1936. Journal of the Department of Agriculture of Puerto Rico, vol. 21, p. 503-522.
  • Grant 1946 : A new name for Alsophis antillensis. Journal of Agriculture of the University of Puerto Rico, vol. 30, p. 118-125.
  • Schwartz, 1966 : Snakes of the genus Alsophis in Puerto Rico and the Virgin Islands. Studies on the Fauna of Curacao and Other Caribbean Islands, vol. 23, no 90, p. 175-227.

Notes et références

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Borikenophis portoricensis: Brief Summary ( Fransèis )

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Borikenophis portoricensis est une espèce de serpents de la famille des Dipsadidae.

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Borikenophis portoricensis ( vietnamèis )

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Borikenophis portoricensis là một loài rắn trong họ Rắn nước. Loài này được Reinhardt & Lütken mô tả khoa học đầu tiên năm 1862.[1]

Chú thích

  1. ^ Borikenophis portoricensis. The Reptile Database. Truy cập ngày 29 tháng 5 năm 2013.

Tham khảo


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Borikenophis portoricensis: Brief Summary ( vietnamèis )

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Borikenophis portoricensis là một loài rắn trong họ Rắn nước. Loài này được Reinhardt & Lütken mô tả khoa học đầu tiên năm 1862.

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