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Myocastor coypus

(Ratao do Banhado)

Overview

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Mammal. The coypu is a large semi-aquatic rodent which originated from South America. However, due to escapes from fur farms there are now large feral populations in North America, Europe and Asia. Their burrows penetrate and damage river banks, dikes and irrigation facilities. Feeding on wetland plants could devastate large areas of the reed swamp .

Interesting Facts

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Common Names

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Click on the language to view common names.

Common Names in English:

Coypu, Coypu Rat, Nutria, Nutria Rat, Ratao do Banhado, Swamp Beaver

Common Names in French:

Nutria, Ragondin

Common Names in German:

Biberratte, Sumpfbiber

Common Names in Portuguese:

Ratão-do-banhado

Common Names in Spanish:

Coipù

Description

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Physical Description

Species Myocastor coypus

Large rodent, superficially rat-like, pelage brown and yellow-brown, cylindrical tail. Webbed hindfeet, footprint up to 15 cm long, imprint of web often visible. Feaces cylindrical, up to 70 mm long, with fine longitudinal striations .

Habitat

It prefers habitats near the water, animals are rarely observed over 100 m away from river . Severe winter could reduce reproductive success and adult survival.

Typically found at an altitude of 0 to 2,911 meters (0 to 9,551 feet).[1]

Ecology: This species prefers habitats near water, and is rarely observed more than 100 m away from rivers (Bertolino 2005).[2].

List of Habitats:

[more info]

Taxonomy

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Synonyms

Myocaster Coypus

Similar Species

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Members of the genus Myocastor

ZipcodeZoo has pages for 2 species and subspecies in this genus:

M. coypus (Ratao Do Banhado) · M. coypus coypus (Ratao Do Banhado)

More Info

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Further Reading

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Notes

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Contributors

Data Sources

Accessed through GBIF Data Portal November 17, 2007:

Identifiers

Footnotes

  1. Mean = 28.870 meters (94.718 feet), Standard Deviation = 45.400 based on 133,438 observations. Altitude information for each observation from British Oceanographic Data Centre. [back]
  2. Lessa, E., Ojeda, R., Bidau, C. & Emmons, L. 2008. Myocastor coypus. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.2. <www.iucnredlist.org>. Downloaded on 02 February 2012. [back]
Last Revised: 2012-07-14