Kuhl, Heinrich (1820). "Castor Canadensis". Beiträge zur Zoologie und vergleichenden Anatomie. Frankfurt: Verlag der Hermannschen Buchhandlung. pp. 64–65. Archived from the original on August 12, 2018. Retrieved February 21, 2018.
Nelson, E. W. (1927). "Description of a New Subspecies of Beaver". Proceedings of the Biological Society of Washington. 40: 125–126. Archived from the original on July 31, 2017. Retrieved February 21, 2018.
Allen, Glover M. (1942). "Newfoundland Beaver". Extinct and Vanishing Mammals of the Western Hemisphere, with the Marine Species of All the Oceans. American Committee for International Wild Life Protection. pp. 62–63. Archived from the original on July 31, 2017. Retrieved February 21, 2018.
Durrant, Stephen D.; Crane, Harold (1948). "Three New Beavers from Utah". University of Kansas Publications, Museum of Natural History. 1 (20): 407–417. Archived from the original on July 31, 2017. Retrieved February 21, 2018.
Heller, Edmund (1909). "The Mammals". University of California Publications in Zoology. 5 (2, Birds and Mammals of the 1907 Alexander Expedition to Southeastern Alaska): 250–255. Archived from the original on July 31, 2017. Retrieved February 21, 2018.
Taylor, Walter P. (1912). "The Beaver of West Central California". University of California Publications in Zoology. 10 (7): 167–169. Archived from the original on July 31, 2017. Retrieved February 21, 2018.
Bailey, Vernon (1905). "Castor canadensis texensis subsp. nov. Texas Beaver". Biological Survey of Texas. North American Fauna. Vol. 25. Washington: Government Printing Office. pp. 122–125. Archived from the original on July 31, 2017. Retrieved February 21, 2018.
Seton-Thompson, cited in Sun, Lixing; Müller-Schwarze, Dietland (2003). The Beaver: Natural History of a Wetlands Engineer. Ithaca, NY: Cornell University Press. pp. 97–98. ISBN978-0-8014-4098-4. Archived from the original on August 6, 2020. Retrieved March 27, 2016.; but note that to arrive at this figure he assumed a population density throughout the range equivalent to that in Algonquin Park
Bailey, Vernon; Doutt, J. Kenneth (1942). "Two New Beavers from Labrador and New Brunswick". Journal of Mammalogy. 23 (1): 86–88. doi:10.2307/1374859. JSTOR1374859.
Warren, Edward R.; Hall, E. Raymond (1939). "A New Subspecies of Beaver from Colorado". Journal of Mammalogy. 20 (3): 358–362. doi:10.2307/1374265. JSTOR1374265.
Goldman, E. A. (1932). "A New Beaver from Arizona". Journal of Mammalogy. 13 (3): 266–267. doi:10.2307/1374004. JSTOR1374004.
Benson, Seth B. (1933). "A New Race of Beaver from British Columbia". Journal of Mammalogy. 14 (4): 320–325. doi:10.2307/1373950. JSTOR1373950.
Jenkins, Stephen H.; Busher, Peter E. (1979). "Castor canadensis". Mammalian Species (120): 1–8. doi:10.2307/3503787. JSTOR3503787.
Svendsen G. E. (1989). "Pair formation, duration of pair-bonds, and mate replacement in a population of beavers (Castor canadensis)". Canadian Journal of Zoology. 67 (2): 336–340. doi:10.1139/z89-049.
Aleksiuk M., Cowan I. M. (1969). "Aspects of seasonal energy expenditure in the beaver (Castor canadensis Kuhl) at the northern limit of its distribution". Canadian Journal of Zoology. 47 (4): 471–481. doi:10.1139/z69-086.
Grudzinski, Bartosz P.; Cummins, Hays; Vang, Teng Keng (September 15, 2019). "Beaver canals and their environmental effects". Progress in Physical Geography: Earth and Environment. 44 (2): 189–211. doi:10.1177/0309133319873116. ISSN0309-1333. S2CID204257682.
Thurber, J. M.; Peterson, R. O. (1993). "Effects of Population Density and Pack Size on the Foraging Ecology of Gray Wolves". Journal of Mammalogy. 74 (4): 879. doi:10.2307/1382426. JSTOR1382426. S2CID52063038.
Smith, D. W.; Trauba, D. R.; Anderson, R. K.; Peterson, R. O. (1994). "Black bear predation on beavers on an island in Lake Superior". American Midland Naturalist. 132 (2): 248–255. doi:10.2307/2426580. JSTOR2426580.
Polly P. Gibson; Julian D. Olden (2014). "Ecology, management, and conservation implications of North American beaver (Castor canadensis) in dryland streams". Aquatic Conservation: Marine and Freshwater Ecosystems. 24 (3): 391–409. Bibcode:2014ACMFE..24..391G. doi:10.1002/aqc.2432. S2CID7062322.
Moorman, Michelle C.; Eggleston, David B.; Anderson, Christopher B.; Mansilla, Andres & Szejner, Paul (2009). "Implications of Beaver Castor canadensis and Trout Introductions on Native Fish in the Cape Horn Biosphere Reserve, Chile". Transactions of the American Fisheries Society. 138 (2): 306–313. Bibcode:2009TrAFS.138..306M. doi:10.1577/T08-081.1. S2CID55446746.
Parker, Howard; Nummi, Petri; Hartman, Göran; Rosell, Frank (2012). "Invasive North American beaver Castor canadensis in Eurasia: a review of potential consequences and a strategy for eradication". Wildlife Biology. 18 (4): 354–365. doi:10.2981/12-007. ISSN0909-6396. S2CID54928567.
Polly P. Gibson; Julian D. Olden (2014). "Ecology, management, and conservation implications of North American beaver (Castor canadensis) in dryland streams". Aquatic Conservation: Marine and Freshwater Ecosystems. 24 (3): 391–409. Bibcode:2014ACMFE..24..391G. doi:10.1002/aqc.2432. S2CID7062322.
Moorman, Michelle C.; Eggleston, David B.; Anderson, Christopher B.; Mansilla, Andres & Szejner, Paul (2009). "Implications of Beaver Castor canadensis and Trout Introductions on Native Fish in the Cape Horn Biosphere Reserve, Chile". Transactions of the American Fisheries Society. 138 (2): 306–313. Bibcode:2009TrAFS.138..306M. doi:10.1577/T08-081.1. S2CID55446746.
Invasive Species Specialist Group (ISSG) (2006). "Castor canadensis (mammal)". Global Invasive Species Database (GISD). IUCN Species Survival Commission. Archived from the original on October 16, 2008. Retrieved July 16, 2009: "Common names: American beaver (English), beaver (English), Canadian beaver, castor (French), castor americano (Spanish), North American beaver (English)"{{cite web}}: CS1 maint: postscript (link)
Bailey, Vernon; Doutt, J. Kenneth (1942). "Two New Beavers from Labrador and New Brunswick". Journal of Mammalogy. 23 (1): 86–88. doi:10.2307/1374859. JSTOR1374859.
Warren, Edward R.; Hall, E. Raymond (1939). "A New Subspecies of Beaver from Colorado". Journal of Mammalogy. 20 (3): 358–362. doi:10.2307/1374265. JSTOR1374265.
Jewett, S. G.; Hall, E. R. (1940). "A New Race of Beaver from Oregon". Journal of Mammalogy. 21 (1): 87–89. doi:10.2307/1374665. JSTOR1374665.
Thurber, J. M.; Peterson, R. O. (1993). "Effects of Population Density and Pack Size on the Foraging Ecology of Gray Wolves". Journal of Mammalogy. 74 (4): 879. doi:10.2307/1382426. JSTOR1382426. S2CID52063038.
Smith, D. W.; Trauba, D. R.; Anderson, R. K.; Peterson, R. O. (1994). "Black bear predation on beavers on an island in Lake Superior". American Midland Naturalist. 132 (2): 248–255. doi:10.2307/2426580. JSTOR2426580.
Abbott, Matthew; Fultz, Brandon; Wilson, Jon; Nicholson, Jody; Black, Matt; Thomas, Adam; Kot, Amanda; Burrows, Mallory; Schaffer, Benton; Benson, David (January 1, 2012). "Beaver-Dredged Canals and their Spacial Relationship to Beaver-Cut Stumps". Proceedings of the Indiana Academy of Science. 121 (2). Archived from the original on May 30, 2020. Retrieved March 8, 2020.
Grudzinski, Bartosz P.; Cummins, Hays; Vang, Teng Keng (September 15, 2019). "Beaver canals and their environmental effects". Progress in Physical Geography: Earth and Environment. 44 (2): 189–211. doi:10.1177/0309133319873116. ISSN0309-1333. S2CID204257682.
Thurber, J. M.; Peterson, R. O. (1993). "Effects of Population Density and Pack Size on the Foraging Ecology of Gray Wolves". Journal of Mammalogy. 74 (4): 879. doi:10.2307/1382426. JSTOR1382426. S2CID52063038.
Polly P. Gibson; Julian D. Olden (2014). "Ecology, management, and conservation implications of North American beaver (Castor canadensis) in dryland streams". Aquatic Conservation: Marine and Freshwater Ecosystems. 24 (3): 391–409. Bibcode:2014ACMFE..24..391G. doi:10.1002/aqc.2432. S2CID7062322.
Moorman, Michelle C.; Eggleston, David B.; Anderson, Christopher B.; Mansilla, Andres & Szejner, Paul (2009). "Implications of Beaver Castor canadensis and Trout Introductions on Native Fish in the Cape Horn Biosphere Reserve, Chile". Transactions of the American Fisheries Society. 138 (2): 306–313. Bibcode:2009TrAFS.138..306M. doi:10.1577/T08-081.1. S2CID55446746.
Parker, Howard; Nummi, Petri; Hartman, Göran; Rosell, Frank (2012). "Invasive North American beaver Castor canadensis in Eurasia: a review of potential consequences and a strategy for eradication". Wildlife Biology. 18 (4): 354–365. doi:10.2981/12-007. ISSN0909-6396. S2CID54928567.
Baker, B.W.; Hill, E.P. (2003). Feldhammer; Thompson; Chapman (eds.). "Beaver (Castor canadensis)"(PDF). Wild Mammals of North America: Biology, Management, and Conservation (Second ed.). Baltimore, Maryland, USA: The Johns Hopkins University Press: 288–310. Archived from the original(PDF) on January 23, 2020. Retrieved December 8, 2019 – via USDA APHIS.
Kuhl, Heinrich (1820). "Castor Canadensis". Beiträge zur Zoologie und vergleichenden Anatomie. Frankfurt: Verlag der Hermannschen Buchhandlung. pp. 64–65. Archived from the original on August 12, 2018. Retrieved February 21, 2018.
Nelson, E. W. (1927). "Description of a New Subspecies of Beaver". Proceedings of the Biological Society of Washington. 40: 125–126. Archived from the original on July 31, 2017. Retrieved February 21, 2018.
Allen, Glover M. (1942). "Newfoundland Beaver". Extinct and Vanishing Mammals of the Western Hemisphere, with the Marine Species of All the Oceans. American Committee for International Wild Life Protection. pp. 62–63. Archived from the original on July 31, 2017. Retrieved February 21, 2018.
Durrant, Stephen D.; Crane, Harold (1948). "Three New Beavers from Utah". University of Kansas Publications, Museum of Natural History. 1 (20): 407–417. Archived from the original on July 31, 2017. Retrieved February 21, 2018.
Heller, Edmund (1909). "The Mammals". University of California Publications in Zoology. 5 (2, Birds and Mammals of the 1907 Alexander Expedition to Southeastern Alaska): 250–255. Archived from the original on July 31, 2017. Retrieved February 21, 2018.
Taylor, Walter P. (1912). "The Beaver of West Central California". University of California Publications in Zoology. 10 (7): 167–169. Archived from the original on July 31, 2017. Retrieved February 21, 2018.
Bailey, Vernon (1905). "Castor canadensis texensis subsp. nov. Texas Beaver". Biological Survey of Texas. North American Fauna. Vol. 25. Washington: Government Printing Office. pp. 122–125. Archived from the original on July 31, 2017. Retrieved February 21, 2018.
Invasive Species Specialist Group (ISSG) (2006). "Castor canadensis (mammal)". Global Invasive Species Database (GISD). IUCN Species Survival Commission. Archived from the original on October 16, 2008. Retrieved July 16, 2009: "Common names: American beaver (English), beaver (English), Canadian beaver, castor (French), castor americano (Spanish), North American beaver (English)"{{cite web}}: CS1 maint: postscript (link)
Baker, B.W.; Hill, E.P. (2003). Feldhammer; Thompson; Chapman (eds.). "Beaver (Castor canadensis)"(PDF). Wild Mammals of North America: Biology, Management, and Conservation (Second ed.). Baltimore, Maryland, USA: The Johns Hopkins University Press: 288–310. Archived from the original(PDF) on January 23, 2020. Retrieved December 8, 2019 – via USDA APHIS.
Abbott, Matthew; Fultz, Brandon; Wilson, Jon; Nicholson, Jody; Black, Matt; Thomas, Adam; Kot, Amanda; Burrows, Mallory; Schaffer, Benton; Benson, David (January 1, 2012). "Beaver-Dredged Canals and their Spacial Relationship to Beaver-Cut Stumps". Proceedings of the Indiana Academy of Science. 121 (2). Archived from the original on May 30, 2020. Retrieved March 8, 2020.
Seton-Thompson, cited in Sun, Lixing; Müller-Schwarze, Dietland (2003). The Beaver: Natural History of a Wetlands Engineer. Ithaca, NY: Cornell University Press. pp. 97–98. ISBN978-0-8014-4098-4. Archived from the original on August 6, 2020. Retrieved March 27, 2016.; but note that to arrive at this figure he assumed a population density throughout the range equivalent to that in Algonquin Park
Müller-Schwarze, Dietland; Sun, Lixing (2003). The beaver : natural history of a wetlands engineer. Cornell University Press. pp. 10–11. ISBN0-8014-4098-X. OCLC977989893.
Grudzinski, Bartosz P.; Cummins, Hays; Vang, Teng Keng (September 15, 2019). "Beaver canals and their environmental effects". Progress in Physical Geography: Earth and Environment. 44 (2): 189–211. doi:10.1177/0309133319873116. ISSN0309-1333. S2CID204257682.
Parker, Howard; Nummi, Petri; Hartman, Göran; Rosell, Frank (2012). "Invasive North American beaver Castor canadensis in Eurasia: a review of potential consequences and a strategy for eradication". Wildlife Biology. 18 (4): 354–365. doi:10.2981/12-007. ISSN0909-6396. S2CID54928567.