Hvalros (Danish Wikipedia)

Fay, F.H. (1985). "Odobenus rosmarus". Mammalian Species. 238 (238): 1-7. doi:10.2307/3503810. ISSN 0076-3519. JSTOR 3503810.
Lento, G.M.; Hickson, R.E.; Chambers, G.K.; Penny, D. (1995). "Use of spectral analysis to test hypotheses on the origin of pinnipeds". Molecular Biology and Evolution. 12 (1): 28-52. doi:10.1093/oxfordjournals.molbev.a040189. PMID 7877495.
Arnason U; Gullberg A; Janke A; Kullberg, Morgan; Lehman, Niles; Petrov, Evgeny A.; Väinölä, Risto (2006). "Pinniped phylogeny and a new hypothesis for their origin and dispersal". Molecular Phylogenetics and Evolution. 41 (2): 345-354. doi:10.1016/j.ympev.2006.05.022. PMID 16815048.
Higdon, Jeff W; Bininda-Emonds, Olaf; Beck, Robin & Ferguson, Steven H (2007). "Phylogeny and divergence of the pinnipeds (Carnivora: Mammalia) assessed using a multigene dataset". BMC Evol Biol. 7: 216. doi:10.1186/1471-2148-7-216. PMC 2245807. PMID 17996107.
Kohno, N. (2006). "A new Miocene Odobenid (Mammalia: Carnivora) from Hokkaido, Japan, and its implications for odobenid phylogeny". Journal of Vertebrate Paleontology. 26 (2): 411. doi:10.1671/0272-4634(2006)26[411:ANMOMC]2.0.CO;2.
Lindqvist, C.; et al. (2009). "The Laptev Sea walrus Odobenus rosmarus laptevi: an enigma revisited". Zoologica Scripta. 38 (2): 113-127. doi:10.1111/j.1463-6409.2008.00364.x.
Fay, F. H. (1982). "Ecology and Biology of the Pacific Walrus, Odobenus rosmarus divergens Illiger". North American Fauna. 74: 1. doi:10.3996/nafa.74.0001.
Ray, C.; McCormick-Ray, J.; Berg, P.; Epstein, H.E. (2006). "Pacific Walrus: Benthic bioturbator of Beringia". Journal of Experimental Marine Biology and Ecology. 330: 403-419. doi:10.1016/j.jembe.2005.12.043.
Fay, F.H. (1960). "Carnivorous walrus and some arctic zoonoses" (PDF). Arctic. 13 (2): 111-122. doi:10.14430/arctic3691. Arkiveret fra originalen (PDF) 9. august 2017. Hentet 11. januar 2019. Comment Arkiveret 9. april 2008 hos Wayback Machine
Nowicki, S. N.; Stirling, Ian & Sjare, Becky (1997). "Duration of stereotypes underwater vocal displays by make Atlantic walruses in relation to aerobic dive limit". Marine Mammal Science. 13 (4): 566-575. doi:10.1111/j.1748-7692.1997.tb00084.x.
Sandell, M. (1990). "The Evolution of Seasonal Delayed Implantation". The Quarterly Review of Biology. 65 (1): 23-42. doi:10.1086/416583. PMID 2186428.
Dyke, A.S. (1999). "The Late Wisconsinan and Holocene record of walrus (Odobenus rosmarus) from North America: A review with new data from Arctic and Atlantic Canada". Arctic. 52 (2): 160-181. doi:10.14430/arctic920.
Born, E. W.; Andersen, L. W.; Gjertz, I. & Wiig, Ø (2001). "A review of the genetic relationships of Atlantic walrus (Odobenus rosmarus rosmarus) east and west of Greenland". Polar Biology. 24 (10): 713-718. doi:10.1007/s003000100277.
Schreer, J. F.; Kovacs, Kit M. & O'Hara Hines, R. J. (2001). "Comparative diving patterns of pinnipeds and seabirds". Ecological Monographs. 71: 137-162. doi:10.1890/0012-9615(2001)071[0137:CDPOPA]2.0.CO;2.
Sheffield G.; Fay F. H.; Feder H.; Kelly B. P. (2001). "Laboratory digestion of prey and interpretation of walrus stomach contents". Marine Mammal Science. 17 (2): 310-330. doi:10.1111/j.1748-7692.2001.tb01273.x.
Levermann, N.; Galatius, A.; Ehlme, G.; Rysgaard, S. & Born, E.W. (2003). "Feeding behaviour of free-ranging walruses with notes on apparent dextrality of flipper use". BMC Ecology. 3 (9): 9. doi:10.1186/1472-6785-3-9. PMC 270045. PMID 14572316.
Fay, F. H. (1985). "Odobenus rosmarus" (PDF). Mammalian Species. 238 (238): 1-7. doi:10.2307/3503810. JSTOR 3503810. Arkiveret fra originalen (PDF) 13. maj 2013.
Mallory, M. L.; Woo, K.; Gaston, A. J.; Davies, W. E. & Mineau, P. (2004). "Walrus (Odobenus rosmarus) predation on adult thick-billed murres (Uria lomvia) at Coats Island, Nunavut, Canada". Polar Research. 23 (1): 111-114. doi:10.1111/j.1751-8369.2004.tb00133.x.
Calvert, Wendy & Stirling, Ian (1990). "Interactions between Polar Bears and Overwintering Walruses in the Central Canadian High Arctic". Bears: Their Biology and Management. 8: 351-356. doi:10.2307/3872939. JSTOR 3872939.
Jefferson, Thomas A.; Stacey, PAM J.; Baird, Robin W. (1991). "A review of Killer Whale interactions with other marine mammals: Predation to co-existence" (PDF). Mammal Review. 21 (4): 151. doi:10.1111/j.1365-2907.1991.tb00291.x.
Kryukova, N. V.; Kruchenkova, E. P.; Ivanov, D. I. (2012). "Killer whales (Orcinus orca) hunting for walruses (Odobenus rosmarus divergens) near Retkyn Spit, Chukotka". Biology Bulletin. 39 (9): 768. doi:10.1134/S106235901209004X.
Bockstoce, J.R. & Botkin, D.B. (1982). "The Harvest of Pacific Walruses by the Pelagic Whaling Industry, 1848 to 1914". Arctic and Alpine Research. 14 (3): 183-188. doi:10.2307/1551150. JSTOR 1551150.
Eleanor, E.W.; Freeman, M.M.R. & Makus, J.C. (1996). "Use and preference for Traditional Foods among Belcher Island Inuit". Arctic. 49 (3): 256-264. doi:10.14430/arctic1201. JSTOR 40512002.
Witting, L. & Born, E. W. (2005). "An assessment of Greenland walrus populations". ICES Journal of Marine Science. 62 (2): 266-284. doi:10.1016/j.icesjms.2004.11.001.
Bogoras, W. (1902). "The Folklore of Northeastern Asia, as Compared with That of Northwestern America". American Anthropologist. 4 (4): 577-683. doi:10.1525/aa.1902.4.4.02a00020.

fdlp.gov

purl.fdlp.gov

Fischbach, Anthony S.; Kochnev, Anatoly A.; Garlich-Miller, Joel L.; Jay, Chadwick V. (2016). Pacific Walrus Coastal Haulout Database, 1852–2016—Background Report. Reston, VA: U.S. Department of the Interior, U.S. Geological Survey. Hentet 29. juli 2016.

fws.gov

alaska.fws.gov

US Fish and Wildlife Service (2002). "Stock Assessment Report: Pacific Walrus – Alaska Stock" (PDF). Arkiveret fra originalen (PDF) 15. maj 2011. Hentet 15. januar 2019.
US Fish and Wildlife Service (2007). "Hunting and Use of Walrus by Alaska Natives" (PDF). Arkiveret fra originalen (PDF) 15. maj 2011. Hentet 15. januar 2019.

fwspubs.org

Fay, F. H. (1982). "Ecology and Biology of the Pacific Walrus, Odobenus rosmarus divergens Illiger". North American Fauna. 74: 1. doi:10.3996/nafa.74.0001.

google.dk

books.google.dk

Wozencraft, W.C. (2005). "Order Carnivora}". I Wilson, D.E.; Reeder, D.M. Mammal Species of the World: A Taxonomic and Geographic Reference (3. udg.). Johns Hopkins University Press. s. 532–628. ISBN 978-0-8018-8221-0. OCLC 62265494.

google.no

books.google.no

"Programmatic Supplemental EIS for Alaska Groundfish Fisheries Implemented Under the Authority of the Fishery Management Plans for the Groundfish Fishery of the Gulf of Alaska and the Groundfish of the Bering Sea and Aleutian Islands Area: Environmental Impact Statement". 21. december 2018 – via Google Books.

hww.ca

"Hinterland Who's Who – Atlantic walrus". Hww.ca. Arkiveret fra originalen 26. juni 2012. Hentet 23. juni 2012.

iberianature.com

Etymology of mammal names. Iberianature.com (29 December 2010). Retrieved 16 September 2011.

iucnredlist.org

oldredlist.iucnredlist.org

Lowry, L., Kovacs, K. & Burkanov, V. (IUCN SSC Pinniped Specialist Group) (2008). Odobenus rosmarus. 2008 IUCN Red List of Threatened Species. IUCN 2008. Hentet den 22 March 2009. Database entry includes a brief justification of why this species is of data deficient

jstor.org

Fay, F.H. (1985). "Odobenus rosmarus". Mammalian Species. 238 (238): 1-7. doi:10.2307/3503810. ISSN 0076-3519. JSTOR 3503810.
Fay, F. H. (1985). "Odobenus rosmarus" (PDF). Mammalian Species. 238 (238): 1-7. doi:10.2307/3503810. JSTOR 3503810. Arkiveret fra originalen (PDF) 13. maj 2013.
Calvert, Wendy & Stirling, Ian (1990). "Interactions between Polar Bears and Overwintering Walruses in the Central Canadian High Arctic". Bears: Their Biology and Management. 8: 351-356. doi:10.2307/3872939. JSTOR 3872939.
Bockstoce, J.R. & Botkin, D.B. (1982). "The Harvest of Pacific Walruses by the Pelagic Whaling Industry, 1848 to 1914". Arctic and Alpine Research. 14 (3): 183-188. doi:10.2307/1551150. JSTOR 1551150.
Eleanor, E.W.; Freeman, M.M.R. & Makus, J.C. (1996). "Use and preference for Traditional Foods among Belcher Island Inuit". Arctic. 49 (3): 256-264. doi:10.14430/arctic1201. JSTOR 40512002.

mercurynews.com

"Group plans to sue over walrus protection". The Mercury News (amerikansk engelsk). 12. oktober 2017. Hentet 12. oktober 2017.

nammco.no

North Atlantic Marine Mammal Commission. "Status of Marine Mammals of the North Atlantic: The Atlantic Walrus" (PDF). Arkiveret fra originalen (PDF) 25. oktober 2007. Hentet 3. oktober 2007.

nationalgeographic.com

animals.nationalgeographic.com

Walrus. Odobenus rosmarus Arkiveret 14. januar 2010 hos Wayback Machine . National Geographic
"Narwhals, Narwhal Pictures, Narwhal Facts". National Geographic. Arkiveret fra originalen 12. januar 2010. Hentet 14. januar 2019.

nih.gov

pubmed.ncbi.nlm.nih.gov

Lento, G.M.; Hickson, R.E.; Chambers, G.K.; Penny, D. (1995). "Use of spectral analysis to test hypotheses on the origin of pinnipeds". Molecular Biology and Evolution. 12 (1): 28-52. doi:10.1093/oxfordjournals.molbev.a040189. PMID 7877495.
Arnason U; Gullberg A; Janke A; Kullberg, Morgan; Lehman, Niles; Petrov, Evgeny A.; Väinölä, Risto (2006). "Pinniped phylogeny and a new hypothesis for their origin and dispersal". Molecular Phylogenetics and Evolution. 41 (2): 345-354. doi:10.1016/j.ympev.2006.05.022. PMID 16815048.
Higdon, Jeff W; Bininda-Emonds, Olaf; Beck, Robin & Ferguson, Steven H (2007). "Phylogeny and divergence of the pinnipeds (Carnivora: Mammalia) assessed using a multigene dataset". BMC Evol Biol. 7: 216. doi:10.1186/1471-2148-7-216. PMC 2245807. PMID 17996107.
Sandell, M. (1990). "The Evolution of Seasonal Delayed Implantation". The Quarterly Review of Biology. 65 (1): 23-42. doi:10.1086/416583. PMID 2186428.
Levermann, N.; Galatius, A.; Ehlme, G.; Rysgaard, S. & Born, E.W. (2003). "Feeding behaviour of free-ranging walruses with notes on apparent dextrality of flipper use". BMC Ecology. 3 (9): 9. doi:10.1186/1472-6785-3-9. PMC 270045. PMID 14572316.

ncbi.nlm.nih.gov

Higdon, Jeff W; Bininda-Emonds, Olaf; Beck, Robin & Ferguson, Steven H (2007). "Phylogeny and divergence of the pinnipeds (Carnivora: Mammalia) assessed using a multigene dataset". BMC Evol Biol. 7: 216. doi:10.1186/1471-2148-7-216. PMC 2245807. PMID 17996107.
Levermann, N.; Galatius, A.; Ehlme, G.; Rysgaard, S. & Born, E.W. (2003). "Feeding behaviour of free-ranging walruses with notes on apparent dextrality of flipper use". BMC Ecology. 3 (9): 9. doi:10.1186/1472-6785-3-9. PMC 270045. PMID 14572316.

nytimes.com

query.nytimes.com

Chivers, C.J. (25. august 2002). "A Big Game". New York Times Online. Arkiveret fra originalen 4. juni 2008. Hentet 17. september 2017.

nytimes.com

Revkin, Andrew C. (2. oktober 2009). "Global warming could reverse a walrus comeback". New York Times. Hentet 16. september 2011.

oed.com

public.oed.com

J.R.R. Tolkien and the OED, J.R.R. Tolkien and the OED Arkiveret 12. februar 2018 hos Wayback Machine.

dictionary.oed.com

morse, n., etymology of Arkiveret 25. juni 2006 hos Wayback Machine The Oxford English Dictionary. 2nd ed. 1989. OED Online. Oxford University Press.

reference.com

dictionary.reference.com

Dictionary.com. Dictionary.reference.com. Retrieved 16 September 2011.

researchgate.net

Garlich-Miller, J.G. & Burn, D.M. (1997). "Estimating the harvest of Pacific walrus, Odobenus rosmarus divergens, in Alaska". Fishery Bulletin. 97 (4): 1043-1046.

seaworld.org

Walrus: Physical Characteristics Arkiveret 10. juli 2012 hos Wayback Machine. seaworld.org.
Walrus: Physical Characteristics Arkiveret 10. juli 2012 hos Wayback Machine. Seaworld.org. Retrieved on 19 December 2012.

smith.edu

science.smith.edu

Fay, F.H. (1985). "Odobenus rosmarus". Mammalian Species. 238 (238): 1-7. doi:10.2307/3503810. ISSN 0076-3519. JSTOR 3503810.
Fay, F. H. (1985). "Odobenus rosmarus" (PDF). Mammalian Species. 238 (238): 1-7. doi:10.2307/3503810. JSTOR 3503810. Arkiveret fra originalen (PDF) 13. maj 2013.

spitsbergentravel.com

"PHOTOS FROM TRIPS TO PYRAMIDEN". Spitsbergen Online. Arkiveret fra originalen 3. december 2013. Hentet 14. januar 2019.

theatlantic.com

The Delights of Parsing the Beatles' Most Nonsensical Song. The Atlantic. Hentet 15/1-2019

ucalgary.ca

pubs.aina.ucalgary.ca

Fay, F.H. (1960). "Carnivorous walrus and some arctic zoonoses" (PDF). Arctic. 13 (2): 111-122. doi:10.14430/arctic3691. Arkiveret fra originalen (PDF) 9. august 2017. Hentet 11. januar 2019. Comment Arkiveret 9. april 2008 hos Wayback Machine

walrus-world.com

Appliance, Mr. "Walrus Predators". Arkiveret fra originalen 26. januar 2013. Hentet 15. januar 2019.

washingtonpost.com

Kaufman, M (15. april 2006). "Warming Arctic Is Taking a Toll, Peril to Walrus Young Seen as Result of Melting Ice Shelf". Washington Post. s. A7.

web.archive.org

Walrus: Physical Characteristics Arkiveret 10. juli 2012 hos Wayback Machine. seaworld.org.
J.R.R. Tolkien and the OED, J.R.R. Tolkien and the OED Arkiveret 12. februar 2018 hos Wayback Machine.
morse, n., etymology of Arkiveret 25. juni 2006 hos Wayback Machine The Oxford English Dictionary. 2nd ed. 1989. OED Online. Oxford University Press.
Walrus: Physical Characteristics Arkiveret 10. juli 2012 hos Wayback Machine. Seaworld.org. Retrieved on 19 December 2012.
Walrus. Odobenus rosmarus Arkiveret 14. januar 2010 hos Wayback Machine . National Geographic
"Hinterland Who's Who – Atlantic walrus". Hww.ca. Arkiveret fra originalen 26. juni 2012. Hentet 23. juni 2012.
Kastelein, R.A.; Stevens, S. & Mosterd, P. (1990). "The sensitivity of the vibrissae of a Pacific Walrus (Odobenus rosmarus divergens). Part 2: Masking" (PDF). Aquatic Mammals. 16 (2): 78-87. Arkiveret fra originalen (PDF) 27. februar 2020. Hentet 11. januar 2019.
Fay, F.H. (1960). "Carnivorous walrus and some arctic zoonoses" (PDF). Arctic. 13 (2): 111-122. doi:10.14430/arctic3691. Arkiveret fra originalen (PDF) 9. august 2017. Hentet 11. januar 2019. Comment Arkiveret 9. april 2008 hos Wayback Machine
"Izembek National Wildlife Report Sept 2015" (PDF). USFWS. Arkiveret fra originalen (PDF) 30. december 2016. Hentet 26. marts 2017.
US Fish and Wildlife Service (2002). "Stock Assessment Report: Pacific Walrus – Alaska Stock" (PDF). Arkiveret fra originalen (PDF) 15. maj 2011. Hentet 15. januar 2019.
Fisheries & Oceans Canada. "Atlantic Walrus: Northwest Atlantic Population". Arkiveret fra originalen 18. august 2007. Hentet 9. oktober 2007.
"Морж / Odobenus rosmarus". Ministry of Natural Resources of the Russian Federation protected species list. Arkiveret fra originalen 4. marts 2016. Hentet 4. oktober 2007.
Fay, F. H. (1985). "Odobenus rosmarus" (PDF). Mammalian Species. 238 (238): 1-7. doi:10.2307/3503810. JSTOR 3503810. Arkiveret fra originalen (PDF) 13. maj 2013.
"PHOTOS FROM TRIPS TO PYRAMIDEN". Spitsbergen Online. Arkiveret fra originalen 3. december 2013. Hentet 14. januar 2019.
"Narwhals, Narwhal Pictures, Narwhal Facts". National Geographic. Arkiveret fra originalen 12. januar 2010. Hentet 14. januar 2019.
Appliance, Mr. "Walrus Predators". Arkiveret fra originalen 26. januar 2013. Hentet 15. januar 2019.
"North American Bear Center – Polar Bear Facts". North American Bear Center. Arkiveret fra originalen 24. maj 2013. Hentet 15. januar 2019.
Chivers, C.J. (25. august 2002). "A Big Game". New York Times Online. Arkiveret fra originalen 4. juni 2008. Hentet 17. september 2017.
US Fish and Wildlife Service (2007). "Hunting and Use of Walrus by Alaska Natives" (PDF). Arkiveret fra originalen (PDF) 15. maj 2011. Hentet 15. januar 2019.
"As Arctic Sea ice reaches annual minimum, large number of walrus corpses found". Arkiveret 24. september 2009 hos Wayback Machine, 18. september 2009. Wwfblogs.org. Hentet 16. september 2011.
Lemonick, Michael (13. september 2010). "As the Sea Ice Retreats, Walruses Come Ashore in Alaska". Climate Central. Arkiveret fra originalen 20. november 2010.
Kastelein, R.A.; Wiepkema, P.R. & Slegtenhorst, C. (1989). "The use of molluscs to occupy Pacific walrusses (Odobenus rosmarus divergens) in human care" (PDF). Aquatic Mammals. 15 (1): 6-8. Arkiveret fra originalen (PDF) 29. februar 2020. Hentet 15. januar 2019.

worldcat.org

Fay, F.H. (1985). "Odobenus rosmarus". Mammalian Species. 238 (238): 1-7. doi:10.2307/3503810. ISSN 0076-3519. JSTOR 3503810.

wwfblogs.org

"As Arctic Sea ice reaches annual minimum, large number of walrus corpses found". Arkiveret 24. september 2009 hos Wayback Machine, 18. september 2009. Wwfblogs.org. Hentet 16. september 2011.

zapoved.ru

"Морж / Odobenus rosmarus". Ministry of Natural Resources of the Russian Federation protected species list. Arkiveret fra originalen 4. marts 2016. Hentet 4. oktober 2007.

zooborns.com

"SeaWorld Orlando Welcomes First Walrus Calf". zooborns.com. Hentet 11. januar 2019.