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Canadian beaver

species of mammal

AI overview

The Canadian beaver is a large rodent native to Canada that is known for building dams and lodges in freshwater environments. It has played an important role in Canadian history and ecology, shaping waterways and ecosystems while also being significant to Indigenous peoples and the fur trade.

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Species

美洲河狸（學名：Castor canadensis）是河狸科河狸属的一种，是原生于北美洲的啮齿动物。分布此河狸原产加拿大，美国和墨西哥北部，后来被引进阿根廷和火地群岛。亞種头骨美洲河狸包括以下亚种[2][3][4][5]： C. c. acadicus Bailey C. c. baileyi Nelson C. c. belugae Taylor C. c. caecator Bangs 加拿大河狸 C. c. canadensis Kuhl C. c. concisor C. c. carolinensis Rhoads C. c. duchesnei C. c. frondator Mearns C. c. idoneus C. c. labradorensis 太平洋河狸 C. c. leucodonta Gray C. c. mexicanus Bailey C. c. michiganensis Bailey C. c. missouriensis Bailey 华盛顿河狸 C. c. pacificus Rhoads C. c. pallidus C. c. phaeus Heller C. c. rostralis C. c. repentinus Goldman C. c. taylori Davis C. c. texensis Bailey C. c. subauratus C. c. sagittatus C. c. shastensis Taylor 参考文献 ^ Cassola, F. 2016. Castor canadensis. The IUCN Red List of Threatened Species 2016: e.T4003A22187946. http://dx.doi.org/10.2305/IUCN.UK.2016-3.RLTS.T4003A22187946.en. Downloaded on 18 March 2018. ^ MSW Synonym List. Mammal Species of the World. Smithsonian Institution. 1993. （原始内容存档于2007-05-17）. ^ Warner, Richard E. and Kathleen M. Hendrix, editors. California Riparian Systems: Ecology, Conservation, and Productive Management University of California Press, 1984, p. 952. Retrieved on 2007-08-04. ^ Browse Genus equals Castor by Scienti

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Wikidata facts

Instance of: keystone species
Parent taxon: beaver
Image: North American Beaver, Humber River near Kleinburg, Ontario (39637607974).jpg

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Article

The North American beaver (Castor canadensis) is one of two extant beaver species, along with the Eurasian beaver (Castor fiber). It is native to North America and has been introduced in South America (Patagonia) and Europe (primarily Finland and Karelia). The North American beaver is one of the national symbols of Canada and the official state mammal of Oregon and New York. North American beavers are widespread across the continental United States, Canada, southern Alaska, and some parts of northern Mexico.

In Canada and the United States, the North American beaver is often referred to simply as "beaver", although this can cause some confusion because another distantly related rodent, Aplodontia rufa, is often called the "mountain beaver". Other vernacular names, including American beaver and Canadian beaver, distinguish this species from the other extant beaver species, Castor fiber, which is native to Eurasia.