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Similä, T; Holst, J C; Christensen, I (1996-04-01). "Occurrence and diet of killer whales in northern Norway: seasonal patterns relative to the distribution and abundance of Norwegian spring-spawning herring". Canadian Journal of Fisheries and Aquatic Sciences. 53 (4): 769–779. Bibcode:1996CJFAS..53..769S. doi:10.1139/f95-253. hdl:11250/108262. ISSN0706-652X.
Similä, Tiu; Ugarte, Fernando (1993-08-01). "Surface and underwater observations of cooperatively feeding killer whales in northern Norway". Canadian Journal of Zoology. 71 (8): 1494–1499. Bibcode:1993CaJZ...71.1494S. doi:10.1139/z93-210. ISSN0008-4301.
Smith, Thomas G.; Siniff, Donald B.; Reichle, Richard; Stone, Sheridan (1981-06-01). "Coordinated behavior of killer whales, Orcinus orca, hunting a crabeater seal, Lobodon carcinophagus". Canadian Journal of Zoology. 59 (6): 1185–1189. Bibcode:1981CaJZ...59.1185S. doi:10.1139/z81-167. ISSN0008-4301.
Similä, T; Holst, J C; Christensen, I (1996-04-01). "Occurrence and diet of killer whales in northern Norway: seasonal patterns relative to the distribution and abundance of Norwegian spring-spawning herring". Canadian Journal of Fisheries and Aquatic Sciences. 53 (4): 769–779. Bibcode:1996CJFAS..53..769S. doi:10.1139/f95-253. hdl:11250/108262. ISSN0706-652X.
Steiner, William W.; Hain, James H.; Winn, Howard E.; Perkins, Paul J. (1979-11-20). "Vocalizations and Feeding Behavior of the Killer Whale (Orcinus orca)". Journal of Mammalogy. 60 (4): 823–827. doi:10.2307/1380199. ISSN0022-2372. JSTOR1380199.
nih.gov
pubmed.ncbi.nlm.nih.gov
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Similä, Tiu; Ugarte, Fernando (1993-08-01). "Surface and underwater observations of cooperatively feeding killer whales in northern Norway". Canadian Journal of Zoology. 71 (8): 1494–1499. Bibcode:1993CaJZ...71.1494S. doi:10.1139/z93-210. ISSN0008-4301.
Steiner, William W.; Hain, James H.; Winn, Howard E.; Perkins, Paul J. (1979-11-20). "Vocalizations and Feeding Behavior of the Killer Whale (Orcinus orca)". Journal of Mammalogy. 60 (4): 823–827. doi:10.2307/1380199. ISSN0022-2372. JSTOR1380199.
Encyclopedia of marine mammals. Perrin, William F., Würsig, Bernd G., Thewissen, J. G. M. (2nd ed.). Amsterdam: Elsevier/Academic Press. 2009. ISBN9780080919935. OCLC316226747.{{cite book}}: CS1 maint: others (link)
Smith, Thomas G.; Siniff, Donald B.; Reichle, Richard; Stone, Sheridan (1981-06-01). "Coordinated behavior of killer whales, Orcinus orca, hunting a crabeater seal, Lobodon carcinophagus". Canadian Journal of Zoology. 59 (6): 1185–1189. Bibcode:1981CaJZ...59.1185S. doi:10.1139/z81-167. ISSN0008-4301.
Similä, T; Holst, J C; Christensen, I (1996-04-01). "Occurrence and diet of killer whales in northern Norway: seasonal patterns relative to the distribution and abundance of Norwegian spring-spawning herring". Canadian Journal of Fisheries and Aquatic Sciences. 53 (4): 769–779. Bibcode:1996CJFAS..53..769S. doi:10.1139/f95-253. hdl:11250/108262. ISSN0706-652X.