Enhydra lutris (Italian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Enhydra lutris" in Italian language version.

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S. I. Kornev e S. M. Korneva, Population dynamics and present status of sea otters (Enhydra lutris) of the Kuril Islands and southern Kamchatka (PDF), in Marine Mammals of the Holarctic, Proceedings of 2004 conference, 2004, pp. 273-278.

academia.edu

uwo.academia.edu

Paul Szpak, Trevor J. Orchard, Iain McKechnie e Darren R. Gröcke, Historical Ecology of Late Holocene Sea Otters (Enhydra lutris) from Northern British Columbia: Isotopic and Zooarchaeological Perspectives, in Journal of Archaeological Science, vol. 39, n. 5, 2012, pp. 1553-1571, DOI:10.1016/j.jas.2011.12.006.

alaskasealife.org

Sea Otters: Species Description, su alaskasealife.org, Alaska SeaLife Center. URL consultato il 15 gennaio 2007.

amazon.com

Bob Battersby, Preston Maginis, Susan Nielsen, Gary Scales, Richard Torney e Ed Wynne, Ross, California - The people, the places, the history, Ross Historical Society, maggio 2008. URL consultato il 3 novembre 2010.

aquablog.ca

Beloved sea otter Milo, su aquablog.ca, Vancouver Aquarium, 12 gennaio 2012. URL consultato il 26 novembre 2014.

archive-it.org

wayback.archive-it.org

Ronald James Jameson, An Evaluation of Attempts to Reestablish the Sea Otter in Oregon (PDF), Oregon State University, 1975, OCLC 9653603. URL consultato il 30 dicembre 2009 (archiviato dall'url originale il 25 maggio 2017).

archive.org

Kenyon, 1969, p. 4. Karl W. Kenyon, The Sea Otter in the Eastern Pacific Ocean, Washington, D.C., U.S. Bureau of Sport Fisheries and Wildlife, 1969, ISBN 978-0-486-21346-0.
VanBlaricom, 2001, p. 11. Glenn R. VanBlaricom, Sea Otters, Stillwater, MN, Voyageur Press Inc., 2001, ISBN 978-0-89658-562-1, OCLC 46393741.
Love, 1992, p. 9. John A. Love, Sea Otters, Golden, Colorado, Fulcrum Publishing, 1992, ISBN 978-1-55591-123-2, OCLC 25747993.
Love, 1992, pp. 15-16. John A. Love, Sea Otters, Golden, Colorado, Fulcrum Publishing, 1992, ISBN 978-1-55591-123-2, OCLC 25747993.
Love, 1992, pp. 4-6. John A. Love, Sea Otters, Golden, Colorado, Fulcrum Publishing, 1992, ISBN 978-1-55591-123-2, OCLC 25747993.
Love, 1992, p. 6. John A. Love, Sea Otters, Golden, Colorado, Fulcrum Publishing, 1992, ISBN 978-1-55591-123-2, OCLC 25747993.
Henry George Liddell e Robert Scott, A Greek-English Lexicon, Regno Unito, Oxford University Press, 1980, ISBN 978-0-19-910207-5, OCLC 17396377.
Nickerson, 1989, p. 19. Roy Nickerson, Sea Otters, a Natural History and Guide, San Francisco, CA, Chronicle Books, 1989, ISBN 978-0-87701-567-3, OCLC 18414247.
Silverstein, 1995, p. 34. Alvin, Virginia e Robert Silverstein, The Sea Otter, Brookfield, Connecticut, The Millbrook Press, Inc., 1995, ISBN 978-1-56294-418-6, OCLC 30436543.
The Wildlife Year, The Reader's Digest Association, Inc., 1991, ISBN 0-276-42012-8.
V. G. Heptner e A. A. Sludskii, Mammals of the Soviet Union. Vol. II, part 1b, Carnivores (Mustelidae and Procyonidae), Washington, D.C.: Smithsonian Institution Libraries and National Science Foundation, 2002, p. 1342, ISBN 978-90-04-08876-4.
Nickerson, 1989, p. 21. Roy Nickerson, Sea Otters, a Natural History and Guide, San Francisco, CA, Chronicle Books, 1989, ISBN 978-0-87701-567-3, OCLC 18414247.
Silverstein, 1995, p. 14. Alvin, Virginia e Robert Silverstein, The Sea Otter, Brookfield, Connecticut, The Millbrook Press, Inc., 1995, ISBN 978-1-56294-418-6, OCLC 30436543.
Kenyon, 1969, pp. 37-39. Karl W. Kenyon, The Sea Otter in the Eastern Pacific Ocean, Washington, D.C., U.S. Bureau of Sport Fisheries and Wildlife, 1969, ISBN 978-0-486-21346-0.
Love, 1992, pp. 21 e 28. John A. Love, Sea Otters, Golden, Colorado, Fulcrum Publishing, 1992, ISBN 978-1-55591-123-2, OCLC 25747993.
Love, 1992, p. 27. John A. Love, Sea Otters, Golden, Colorado, Fulcrum Publishing, 1992, ISBN 978-1-55591-123-2, OCLC 25747993.
Silverstein, 1995, p. 13. Alvin, Virginia e Robert Silverstein, The Sea Otter, Brookfield, Connecticut, The Millbrook Press, Inc., 1995, ISBN 978-1-56294-418-6, OCLC 30436543.
Love, 1992, p. 21. John A. Love, Sea Otters, Golden, Colorado, Fulcrum Publishing, 1992, ISBN 978-1-55591-123-2, OCLC 25747993.
Kenyon, 1969, p. 70. Karl W. Kenyon, The Sea Otter in the Eastern Pacific Ocean, Washington, D.C., U.S. Bureau of Sport Fisheries and Wildlife, 1969, ISBN 978-0-486-21346-0.
Silverstein, 1995, p. 11. Alvin, Virginia e Robert Silverstein, The Sea Otter, Brookfield, Connecticut, The Millbrook Press, Inc., 1995, ISBN 978-1-56294-418-6, OCLC 30436543.
Kenyon, 1969, p. 62. Karl W. Kenyon, The Sea Otter in the Eastern Pacific Ocean, Washington, D.C., U.S. Bureau of Sport Fisheries and Wildlife, 1969, ISBN 978-0-486-21346-0.
Love, 1992, p. 22. John A. Love, Sea Otters, Golden, Colorado, Fulcrum Publishing, 1992, ISBN 978-1-55591-123-2, OCLC 25747993.
VanBlaricom, 2001, p. 64. Glenn R. VanBlaricom, Sea Otters, Stillwater, MN, Voyageur Press Inc., 2001, ISBN 978-0-89658-562-1, OCLC 46393741.
VanBlaricom, 2001, pp. 11 e 21. Glenn R. VanBlaricom, Sea Otters, Stillwater, MN, Voyageur Press Inc., 2001, ISBN 978-0-89658-562-1, OCLC 46393741.
Kenyon, 1969, p. 55. Karl W. Kenyon, The Sea Otter in the Eastern Pacific Ocean, Washington, D.C., U.S. Bureau of Sport Fisheries and Wildlife, 1969, ISBN 978-0-486-21346-0.
Love, 1992, p. 23. John A. Love, Sea Otters, Golden, Colorado, Fulcrum Publishing, 1992, ISBN 978-1-55591-123-2, OCLC 25747993.
Kenyon, 1969, p. 56. Karl W. Kenyon, The Sea Otter in the Eastern Pacific Ocean, Washington, D.C., U.S. Bureau of Sport Fisheries and Wildlife, 1969, ISBN 978-0-486-21346-0.
Kenyon, 1969, p. 43. Karl W. Kenyon, The Sea Otter in the Eastern Pacific Ocean, Washington, D.C., U.S. Bureau of Sport Fisheries and Wildlife, 1969, ISBN 978-0-486-21346-0.
Love, 1992, , p. 74. John A. Love, Sea Otters, Golden, Colorado, Fulcrum Publishing, 1992, ISBN 978-1-55591-123-2, OCLC 25747993.
Kenyon, 1969, p. 47. Karl W. Kenyon, The Sea Otter in the Eastern Pacific Ocean, Washington, D.C., U.S. Bureau of Sport Fisheries and Wildlife, 1969, ISBN 978-0-486-21346-0.
VanBlaricom, 2001, p. 17. Glenn R. VanBlaricom, Sea Otters, Stillwater, MN, Voyageur Press Inc., 2001, ISBN 978-0-89658-562-1, OCLC 46393741.
Love, 1992, p. 24. John A. Love, Sea Otters, Golden, Colorado, Fulcrum Publishing, 1992, ISBN 978-1-55591-123-2, OCLC 25747993.
Love, 1992, pp. 69-70. John A. Love, Sea Otters, Golden, Colorado, Fulcrum Publishing, 1992, ISBN 978-1-55591-123-2, OCLC 25747993.
Love, 1992, pp. 70-71. John A. Love, Sea Otters, Golden, Colorado, Fulcrum Publishing, 1992, ISBN 978-1-55591-123-2, OCLC 25747993.
Kenyon, 1969, p. 76. Karl W. Kenyon, The Sea Otter in the Eastern Pacific Ocean, Washington, D.C., U.S. Bureau of Sport Fisheries and Wildlife, 1969, ISBN 978-0-486-21346-0.
VanBlaricom, 2001, p. 22. Glenn R. VanBlaricom, Sea Otters, Stillwater, MN, Voyageur Press Inc., 2001, ISBN 978-0-89658-562-1, OCLC 46393741.
Love, 1992, p. 49. John A. Love, Sea Otters, Golden, Colorado, Fulcrum Publishing, 1992, ISBN 978-1-55591-123-2, OCLC 25747993.
VanBlaricom, 2001, p. 45. Glenn R. VanBlaricom, Sea Otters, Stillwater, MN, Voyageur Press Inc., 2001, ISBN 978-0-89658-562-1, OCLC 46393741.
VanBlaricom, 2001, pp. 42-45. Glenn R. VanBlaricom, Sea Otters, Stillwater, MN, Voyageur Press Inc., 2001, ISBN 978-0-89658-562-1, OCLC 46393741.
Love, 1992, p. 50. John A. Love, Sea Otters, Golden, Colorado, Fulcrum Publishing, 1992, ISBN 978-1-55591-123-2, OCLC 25747993.
Kenyon, 1969, p. 77. Karl W. Kenyon, The Sea Otter in the Eastern Pacific Ocean, Washington, D.C., U.S. Bureau of Sport Fisheries and Wildlife, 1969, ISBN 978-0-486-21346-0.
Kenyon, 1969, pp. 78-79. Karl W. Kenyon, The Sea Otter in the Eastern Pacific Ocean, Washington, D.C., U.S. Bureau of Sport Fisheries and Wildlife, 1969, ISBN 978-0-486-21346-0.
Silverstein, 1995, p. 61. Alvin, Virginia e Robert Silverstein, The Sea Otter, Brookfield, Connecticut, The Millbrook Press, Inc., 1995, ISBN 978-1-56294-418-6, OCLC 30436543.
In almeno un caso documentato una femmina è morta a causa dell'infezione prodotta dalla ferita sul naso (Love, 1992, p. 52). John A. Love, Sea Otters, Golden, Colorado, Fulcrum Publishing, 1992, ISBN 978-1-55591-123-2, OCLC 25747993.
Love, 1992, p. 54. John A. Love, Sea Otters, Golden, Colorado, Fulcrum Publishing, 1992, ISBN 978-1-55591-123-2, OCLC 25747993.
Silverstein, 1995, p. 30. Alvin, Virginia e Robert Silverstein, The Sea Otter, Brookfield, Connecticut, The Millbrook Press, Inc., 1995, ISBN 978-1-56294-418-6, OCLC 30436543.
Roland M. Nowak, Walker's Mammals of the World Volume II, 5ª ed., Baltimora e Londra, The Johns Hopkins University Press, 1991, p. 1141-1143, ISBN 978-0-8018-3970-2.
Kenyon, 1969, p. 44. Karl W. Kenyon, The Sea Otter in the Eastern Pacific Ocean, Washington, D.C., U.S. Bureau of Sport Fisheries and Wildlife, 1969, ISBN 978-0-486-21346-0.
Love, 1992, pp. 56-61. John A. Love, Sea Otters, Golden, Colorado, Fulcrum Publishing, 1992, ISBN 978-1-55591-123-2, OCLC 25747993.
Love, 1992, p. 58. John A. Love, Sea Otters, Golden, Colorado, Fulcrum Publishing, 1992, ISBN 978-1-55591-123-2, OCLC 25747993.
Silverstein, 1995, pp. 31-32. Alvin, Virginia e Robert Silverstein, The Sea Otter, Brookfield, Connecticut, The Millbrook Press, Inc., 1995, ISBN 978-1-56294-418-6, OCLC 30436543.
Love, 1992, p. 61. John A. Love, Sea Otters, Golden, Colorado, Fulcrum Publishing, 1992, ISBN 978-1-55591-123-2, OCLC 25747993.
Love, 1992, p. 63. John A. Love, Sea Otters, Golden, Colorado, Fulcrum Publishing, 1992, ISBN 978-1-55591-123-2, OCLC 25747993.
Love, 1992, p. 62. John A. Love, Sea Otters, Golden, Colorado, Fulcrum Publishing, 1992, ISBN 978-1-55591-123-2, OCLC 25747993.
Love, 1992, p. 59. John A. Love, Sea Otters, Golden, Colorado, Fulcrum Publishing, 1992, ISBN 978-1-55591-123-2, OCLC 25747993.
Kenyon, 1969, p. 89. Karl W. Kenyon, The Sea Otter in the Eastern Pacific Ocean, Washington, D.C., U.S. Bureau of Sport Fisheries and Wildlife, 1969, ISBN 978-0-486-21346-0.
Silverstein, 1995, p. 31. Alvin, Virginia e Robert Silverstein, The Sea Otter, Brookfield, Connecticut, The Millbrook Press, Inc., 1995, ISBN 978-1-56294-418-6, OCLC 30436543.
Silverstein, 1995, p. 28. Alvin, Virginia e Robert Silverstein, The Sea Otter, Brookfield, Connecticut, The Millbrook Press, Inc., 1995, ISBN 978-1-56294-418-6, OCLC 30436543.
Love, 1992, p. 53. John A. Love, Sea Otters, Golden, Colorado, Fulcrum Publishing, 1992, ISBN 978-1-55591-123-2, OCLC 25747993.
VanBlaricom, 2001, p. 71. Glenn R. VanBlaricom, Sea Otters, Stillwater, MN, Voyageur Press Inc., 2001, ISBN 978-0-89658-562-1, OCLC 46393741.
VanBlaricom, 2001, pp. 40-41. Glenn R. VanBlaricom, Sea Otters, Stillwater, MN, Voyageur Press Inc., 2001, ISBN 978-0-89658-562-1, OCLC 46393741.
VanBlaricom, 2001, p. 41. Glenn R. VanBlaricom, Sea Otters, Stillwater, MN, Voyageur Press Inc., 2001, ISBN 978-0-89658-562-1, OCLC 46393741.
Silverstein, 1995, p. 17. Alvin, Virginia e Robert Silverstein, The Sea Otter, Brookfield, Connecticut, The Millbrook Press, Inc., 1995, ISBN 978-1-56294-418-6, OCLC 30436543.
Nickerson, 1989, p. 49. Roy Nickerson, Sea Otters, a Natural History and Guide, San Francisco, CA, Chronicle Books, 1989, ISBN 978-0-87701-567-3, OCLC 18414247.
Silverstein, 1995, p. 19. Alvin, Virginia e Robert Silverstein, The Sea Otter, Brookfield, Connecticut, The Millbrook Press, Inc., 1995, ISBN 978-1-56294-418-6, OCLC 30436543.
VanBlaricom, 2001, p. 14. Glenn R. VanBlaricom, Sea Otters, Stillwater, MN, Voyageur Press Inc., 2001, ISBN 978-0-89658-562-1, OCLC 46393741.
Kenyon, 1969, p. 133. Karl W. Kenyon, The Sea Otter in the Eastern Pacific Ocean, Washington, D.C., U.S. Bureau of Sport Fisheries and Wildlife, 1969, ISBN 978-0-486-21346-0.
Love, 1992, pp. 67-69. John A. Love, Sea Otters, Golden, Colorado, Fulcrum Publishing, 1992, ISBN 978-1-55591-123-2, OCLC 25747993.
VanBlaricom, 2001, p. 54. Glenn R. VanBlaricom, Sea Otters, Stillwater, MN, Voyageur Press Inc., 2001, ISBN 978-0-89658-562-1, OCLC 46393741.
VanBlaricom, 2001, p. 62. Glenn R. VanBlaricom, Sea Otters, Stillwater, MN, Voyageur Press Inc., 2001, ISBN 978-0-89658-562-1, OCLC 46393741.
Nickerson, 1989, p. 46. Roy Nickerson, Sea Otters, a Natural History and Guide, San Francisco, CA, Chronicle Books, 1989, ISBN 978-0-87701-567-3, OCLC 18414247.
Silverstein, 1995, p. 41. Alvin, Virginia e Robert Silverstein, The Sea Otter, Brookfield, Connecticut, The Millbrook Press, Inc., 1995, ISBN 978-1-56294-418-6, OCLC 30436543.
Hubert Howe Bancroft, Alfred Bates, Ivan Petroff e William Nemos, History of Alaska: 1730-1885, San Francisco, California, A. L. Bancroft & Company, 1887, p. 482. URL consultato il 26 settembre 2010.
mcLeish, 2018, p. 32. Todd mcLeish, Return of the Sea Otter - The Story of the Animal That Evaded Extinction on the Pacific Coast, Seattle, WA, Sasquatch Books, 2018, ISBN 978-1632171375.
mcLeish, 2018, p. 264. Todd mcLeish, Return of the Sea Otter - The Story of the Animal That Evaded Extinction on the Pacific Coast, Seattle, WA, Sasquatch Books, 2018, ISBN 978-1632171375.
VanBlaricom, 2001, pp. 18-29. Glenn R. VanBlaricom, Sea Otters, Stillwater, MN, Voyageur Press Inc., 2001, ISBN 978-0-89658-562-1, OCLC 46393741.
Love, 1992, p. 96. John A. Love, Sea Otters, Golden, Colorado, Fulcrum Publishing, 1992, ISBN 978-1-55591-123-2, OCLC 25747993.
Kenyon, 1969, p. 121. Karl W. Kenyon, The Sea Otter in the Eastern Pacific Ocean, Washington, D.C., U.S. Bureau of Sport Fisheries and Wildlife, 1969, ISBN 978-0-486-21346-0.
Love, 1992, p. 76. John A. Love, Sea Otters, Golden, Colorado, Fulcrum Publishing, 1992, ISBN 978-1-55591-123-2, OCLC 25747993.
Kenyon, 1969, p. 119. Karl W. Kenyon, The Sea Otter in the Eastern Pacific Ocean, Washington, D.C., U.S. Bureau of Sport Fisheries and Wildlife, 1969, ISBN 978-0-486-21346-0.
VanBlaricom, 2001, p. 29. Glenn R. VanBlaricom, Sea Otters, Stillwater, MN, Voyageur Press Inc., 2001, ISBN 978-0-89658-562-1, OCLC 46393741.
VanBlaricom, 2001, p. 30. Glenn R. VanBlaricom, Sea Otters, Stillwater, MN, Voyageur Press Inc., 2001, ISBN 978-0-89658-562-1, OCLC 46393741.
Nickerson, 1989, p. 57. Roy Nickerson, Sea Otters, a Natural History and Guide, San Francisco, CA, Chronicle Books, 1989, ISBN 978-0-87701-567-3, OCLC 18414247.
VanBlaricom, 2001, p. 33. Glenn R. VanBlaricom, Sea Otters, Stillwater, MN, Voyageur Press Inc., 2001, ISBN 978-0-89658-562-1, OCLC 46393741.
Silverstein, 1995, p. 35. Alvin, Virginia e Robert Silverstein, The Sea Otter, Brookfield, Connecticut, The Millbrook Press, Inc., 1995, ISBN 978-1-56294-418-6, OCLC 30436543.
James R Gibson, Feeding the Russian Fur Trade, University of Wisconsin Press, 1969, p. 17, ISBN 0299052338.
Silverstein, 1995, p. 37. Alvin, Virginia e Robert Silverstein, The Sea Otter, Brookfield, Connecticut, The Millbrook Press, Inc., 1995, ISBN 978-1-56294-418-6, OCLC 30436543.
Silverstein, 1995, p. 38. Alvin, Virginia e Robert Silverstein, The Sea Otter, Brookfield, Connecticut, The Millbrook Press, Inc., 1995, ISBN 978-1-56294-418-6, OCLC 30436543.
Michael Mathes, The Russian-Mexican Frontier, Jenner, California, Fort Ross Interpretive Association, Inc., 2008, p. 326, ISBN 978-1-60643-951-7.
Silverstein, 1995, p. 40. Alvin, Virginia e Robert Silverstein, The Sea Otter, Brookfield, Connecticut, The Millbrook Press, Inc., 1995, ISBN 978-1-56294-418-6, OCLC 30436543.
VanBlaricom, 2001, p. 50. Glenn R. VanBlaricom, Sea Otters, Stillwater, MN, Voyageur Press Inc., 2001, ISBN 978-0-89658-562-1, OCLC 46393741.
VanBlaricom, 2001, p. 53. Glenn R. VanBlaricom, Sea Otters, Stillwater, MN, Voyageur Press Inc., 2001, ISBN 978-0-89658-562-1, OCLC 46393741.
VanBlaricom, 2001, p. 65. Glenn R. VanBlaricom, Sea Otters, Stillwater, MN, Voyageur Press Inc., 2001, ISBN 978-0-89658-562-1, OCLC 46393741.
Nickerson, 1989, pp. 47-48. Roy Nickerson, Sea Otters, a Natural History and Guide, San Francisco, CA, Chronicle Books, 1989, ISBN 978-0-87701-567-3, OCLC 18414247.
VanBlaricom, 2001, p. 34. Glenn R. VanBlaricom, Sea Otters, Stillwater, MN, Voyageur Press Inc., 2001, ISBN 978-0-89658-562-1, OCLC 46393741.
Love, 1992, pp. 93-98. John A. Love, Sea Otters, Golden, Colorado, Fulcrum Publishing, 1992, ISBN 978-1-55591-123-2, OCLC 25747993.
Silverstein, 1995, p. 49. Alvin, Virginia e Robert Silverstein, The Sea Otter, Brookfield, Connecticut, The Millbrook Press, Inc., 1995, ISBN 978-1-56294-418-6, OCLC 30436543.
Nickerson, 1989, p. 70. Roy Nickerson, Sea Otters, a Natural History and Guide, San Francisco, CA, Chronicle Books, 1989, ISBN 978-0-87701-567-3, OCLC 18414247.
Love, 1992, pp. 34-35. John A. Love, Sea Otters, Golden, Colorado, Fulcrum Publishing, 1992, ISBN 978-1-55591-123-2, OCLC 25747993.
F. A. Golder, Aleutian Stories, in The Journal of American Folklore, vol. 18, n. 70, 1905, pp. 215-222, DOI:10.2307/533140, JSTOR 533140.
Love, 1992, p. 97. John A. Love, Sea Otters, Golden, Colorado, Fulcrum Publishing, 1992, ISBN 978-1-55591-123-2, OCLC 25747993.
VanBlaricom, 2001, p. 69. Glenn R. VanBlaricom, Sea Otters, Stillwater, MN, Voyageur Press Inc., 2001, ISBN 978-0-89658-562-1, OCLC 46393741.

bbc.co.uk

Sea otter, su bbc.co.uk, BBC. URL consultato il 31 dicembre 2007.

biologists.org

jeb.biologists.org

R. M. Ortiz, Osmoregulation in marine mammals, in The Journal of Experimental Biology, vol. 204, n. 11, giugno 2001, pp. 1831-44, DOI:10.1242/jeb.204.11.1831, PMID 11441026.

books.google.com

Adele Ogden, The California sea otter trade, 1784-1848, Berkeley, California, University of California Press, 1975, p. 54, ISBN 978-0-520-02806-7.

caviews.com

Pat Hathaway, Bixby Creek Bridge on Highway One from the Pat Hathaway Photo Collection, su caviews.com. URL consultato il 18 dicembre 2017.

cbc.ca

Vancouver sea otters a hit on YouTube, su cbc.ca, CBC News, 3 aprile 2007. URL consultato il 15 gennaio 2007.

cnn.com

Balance sought in sea otter conflict, su cnn.com, CNN, 24 marzo 1999. URL consultato il 25 gennaio 2008.

archives.cnn.com

Aleutian Sea Otter population falls 70% in eight years, su archives.cnn.com, CNN, 6 luglio 2000. URL consultato il 4 dicembre 2007.

dfo-mpo.gc.ca

waves-vagues.dfo-mpo.gc.ca

Trends in the Abundance and Distribution of Sea Otters (Enhydra lutris) in British Columbia Updated with 2013 Survey Results (PDF), su waves-vagues.dfo-mpo.gc.ca, Department of Fisheries and Oceans, Canada, luglio 2015. URL consultato il 10 luglio 2018.

dfo-mpo.gc.ca

Sea Otters, su Fisheries and Oceans Canada.

doi.org

dx.doi.org

K.-P. Koepfli e R. K. Wayne, Phylogenetic relationships of otters (Carnivora: Mustelidae) based on mitochondrial cytochrome b sequences, in Journal of Zoology, vol. 246, n. 4, dicembre 1998, pp. 401-416, DOI:10.1111/j.1469-7998.1998.tb00172.x.
K. P. Koepfli, K. A. Deere, G. J. Slater, Colleen Begg, Keith Begg, Lon Grassman, Mauro Lucherini, Geraldine Veron e Robert K. Wayne, Multigene phylogeny of the Mustelidae: resolving relationships, tempo and biogeographic history of a mammalian adaptive radiation, in BMC Biology, vol. 6, 2008, p. 10, DOI:10.1186/1741-7007-6-10, PMC 2276185, PMID 18275614.
Samantha J. Jones, Martin Haulena, Gregory A. Taylor, Simon Chan, Steven Bilobram, René L. Warren, Austin Hammond, Karen L. Mungall, Caleb Choo, Heather Kirk, Pandoh Pawan, Adrian Ally, Noreen Dhalla, Angela K. Y. Tam, Armelle Troussard e Daniel Paulino, The Genome of the Northern Sea Otter (Enhydra lutris kenyoni), in Genes, vol. 8, n. 12, 11 dicembre 2017, pp. 379, DOI:10.3390/genes8120379, PMC 5748697, PMID 29232880.
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Silverstein, 1995, p. 13. Alvin, Virginia e Robert Silverstein, The Sea Otter, Brookfield, Connecticut, The Millbrook Press, Inc., 1995, ISBN 978-1-56294-418-6, OCLC 30436543.
Love, 1992, p. 21. John A. Love, Sea Otters, Golden, Colorado, Fulcrum Publishing, 1992, ISBN 978-1-55591-123-2, OCLC 25747993.
Silverstein, 1995, p. 11. Alvin, Virginia e Robert Silverstein, The Sea Otter, Brookfield, Connecticut, The Millbrook Press, Inc., 1995, ISBN 978-1-56294-418-6, OCLC 30436543.
Love, 1992, p. 22. John A. Love, Sea Otters, Golden, Colorado, Fulcrum Publishing, 1992, ISBN 978-1-55591-123-2, OCLC 25747993.
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Love, 1992, p. 23. John A. Love, Sea Otters, Golden, Colorado, Fulcrum Publishing, 1992, ISBN 978-1-55591-123-2, OCLC 25747993.
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VanBlaricom, 2001, p. 22. Glenn R. VanBlaricom, Sea Otters, Stillwater, MN, Voyageur Press Inc., 2001, ISBN 978-0-89658-562-1, OCLC 46393741.
Love, 1992, p. 49. John A. Love, Sea Otters, Golden, Colorado, Fulcrum Publishing, 1992, ISBN 978-1-55591-123-2, OCLC 25747993.
VanBlaricom, 2001, p. 45. Glenn R. VanBlaricom, Sea Otters, Stillwater, MN, Voyageur Press Inc., 2001, ISBN 978-0-89658-562-1, OCLC 46393741.
VanBlaricom, 2001, pp. 42-45. Glenn R. VanBlaricom, Sea Otters, Stillwater, MN, Voyageur Press Inc., 2001, ISBN 978-0-89658-562-1, OCLC 46393741.
Love, 1992, p. 50. John A. Love, Sea Otters, Golden, Colorado, Fulcrum Publishing, 1992, ISBN 978-1-55591-123-2, OCLC 25747993.
Silverstein, 1995, p. 61. Alvin, Virginia e Robert Silverstein, The Sea Otter, Brookfield, Connecticut, The Millbrook Press, Inc., 1995, ISBN 978-1-56294-418-6, OCLC 30436543.
In almeno un caso documentato una femmina è morta a causa dell'infezione prodotta dalla ferita sul naso (Love, 1992, p. 52). John A. Love, Sea Otters, Golden, Colorado, Fulcrum Publishing, 1992, ISBN 978-1-55591-123-2, OCLC 25747993.
Love, 1992, p. 54. John A. Love, Sea Otters, Golden, Colorado, Fulcrum Publishing, 1992, ISBN 978-1-55591-123-2, OCLC 25747993.
Silverstein, 1995, p. 30. Alvin, Virginia e Robert Silverstein, The Sea Otter, Brookfield, Connecticut, The Millbrook Press, Inc., 1995, ISBN 978-1-56294-418-6, OCLC 30436543.
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Love, 1992, p. 62. John A. Love, Sea Otters, Golden, Colorado, Fulcrum Publishing, 1992, ISBN 978-1-55591-123-2, OCLC 25747993.
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VanBlaricom, 2001, p. 71. Glenn R. VanBlaricom, Sea Otters, Stillwater, MN, Voyageur Press Inc., 2001, ISBN 978-0-89658-562-1, OCLC 46393741.
VanBlaricom, 2001, pp. 40-41. Glenn R. VanBlaricom, Sea Otters, Stillwater, MN, Voyageur Press Inc., 2001, ISBN 978-0-89658-562-1, OCLC 46393741.
VanBlaricom, 2001, p. 41. Glenn R. VanBlaricom, Sea Otters, Stillwater, MN, Voyageur Press Inc., 2001, ISBN 978-0-89658-562-1, OCLC 46393741.
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Nickerson, 1989, p. 49. Roy Nickerson, Sea Otters, a Natural History and Guide, San Francisco, CA, Chronicle Books, 1989, ISBN 978-0-87701-567-3, OCLC 18414247.
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VanBlaricom, 2001, p. 54. Glenn R. VanBlaricom, Sea Otters, Stillwater, MN, Voyageur Press Inc., 2001, ISBN 978-0-89658-562-1, OCLC 46393741.
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Ronald James Jameson, An Evaluation of Attempts to Reestablish the Sea Otter in Oregon (PDF), Oregon State University, 1975, OCLC 9653603. URL consultato il 30 dicembre 2009 (archiviato dall'url originale il 25 maggio 2017).
Silverstein, 1995, p. 41. Alvin, Virginia e Robert Silverstein, The Sea Otter, Brookfield, Connecticut, The Millbrook Press, Inc., 1995, ISBN 978-1-56294-418-6, OCLC 30436543.
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Middleton, 2001, p. 8. John Middleton, Maritime Activities And Their Perception Today, su California Academy of Science's Member Newsletter October/November 2001, San Francisco, California, California Academy of Science, 2001, ISSN 1531-2224 (WC · ACNP).
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Glenn Farris, Mains'l Haul, a Journal of Pacific Maritime History, Vol 43, in Mains'l Haul, San Diego, California, Maritime Museum of San Diego, 2007, p. 21, ISSN 1540-3386 (WC · ACNP).
Middleton, 2001, p. 4. John Middleton, Maritime Activities And Their Perception Today, su California Academy of Science's Member Newsletter October/November 2001, San Francisco, California, California Academy of Science, 2001, ISSN 1531-2224 (WC · ACNP).
Silverstein, 1995, p. 40. Alvin, Virginia e Robert Silverstein, The Sea Otter, Brookfield, Connecticut, The Millbrook Press, Inc., 1995, ISBN 978-1-56294-418-6, OCLC 30436543.
VanBlaricom, 2001, p. 50. Glenn R. VanBlaricom, Sea Otters, Stillwater, MN, Voyageur Press Inc., 2001, ISBN 978-0-89658-562-1, OCLC 46393741.
VanBlaricom, 2001, p. 53. Glenn R. VanBlaricom, Sea Otters, Stillwater, MN, Voyageur Press Inc., 2001, ISBN 978-0-89658-562-1, OCLC 46393741.
VanBlaricom, 2001, p. 65. Glenn R. VanBlaricom, Sea Otters, Stillwater, MN, Voyageur Press Inc., 2001, ISBN 978-0-89658-562-1, OCLC 46393741.
Nickerson, 1989, pp. 47-48. Roy Nickerson, Sea Otters, a Natural History and Guide, San Francisco, CA, Chronicle Books, 1989, ISBN 978-0-87701-567-3, OCLC 18414247.
VanBlaricom, 2001, p. 34. Glenn R. VanBlaricom, Sea Otters, Stillwater, MN, Voyageur Press Inc., 2001, ISBN 978-0-89658-562-1, OCLC 46393741.
Love, 1992, pp. 93-98. John A. Love, Sea Otters, Golden, Colorado, Fulcrum Publishing, 1992, ISBN 978-1-55591-123-2, OCLC 25747993.
Silverstein, 1995, p. 49. Alvin, Virginia e Robert Silverstein, The Sea Otter, Brookfield, Connecticut, The Millbrook Press, Inc., 1995, ISBN 978-1-56294-418-6, OCLC 30436543.
Nickerson, 1989, p. 70. Roy Nickerson, Sea Otters, a Natural History and Guide, San Francisco, CA, Chronicle Books, 1989, ISBN 978-0-87701-567-3, OCLC 18414247.
Love, 1992, pp. 34-35. John A. Love, Sea Otters, Golden, Colorado, Fulcrum Publishing, 1992, ISBN 978-1-55591-123-2, OCLC 25747993.
Love, 1992, p. 97. John A. Love, Sea Otters, Golden, Colorado, Fulcrum Publishing, 1992, ISBN 978-1-55591-123-2, OCLC 25747993.
VanBlaricom, 2001, p. 69. Glenn R. VanBlaricom, Sea Otters, Stillwater, MN, Voyageur Press Inc., 2001, ISBN 978-0-89658-562-1, OCLC 46393741.

youtube.com

1 Day Old Sea Otter Trying to Sleep on Mom, su youtube.com. URL consultato il 7 ottobre 2019.
cynthiaholmes, Otters holding hands, su youtube.com, YouTube, 19 marzo 2007. URL consultato il 24 marzo 2008.