Redigerer Spekkhogger (avsnitt)

== Referanser ==
<references>
<ref name="apollon">{{Kilde www |url = https://www.apollon.uio.no/artikler/2022/hval.html |tittel = Frykter at spekkhoggersafari forsterker virkningen av miljøgifter |dato = 2022-03-16 |forfatter = Trine Nickelsen |utgiver = Forskningsmagasinet Apollon |besøksdato = 2021-04-29 }}</ref>

<ref name="Baird (2002)">Baird, Robin W. (2002). ''Killer Whales of the World''. Stillwater, MN.: Voyageur Press. ISBN 978-0-7603-2654-1.</ref>

<ref name="Carrington (2018)">{{Kilde avis |etternavn=Carrington |fornavn=Damian |dato=2018-09-27 |tittel=Orca 'apocalypse': half of killer whales doomed to die from pollution |url=https://www.theguardian.com/environment/2018/sep/27/orca-apocalypse-half-of-killer-whales-doomed-to-die-from-pollution |avis=The Guardian |arkivdato=2018-09-28 |arkiv-url=https://web.archive.org/web/20180928005643/https://www.theguardian.com/environment/2018/sep/27/orca-apocalypse-half-of-killer-whales-doomed-to-die-from-pollution |besøksdato = 2022-04-29|språk = engelsk}}</ref>

<ref name="Desforges, Hall & Mcconnell (2018)">{{Kilde artikkel|etternavn1=Desforges|fornavn1=J-P|etternavn2=Hall|fornavn2=A|etternavn3=Mcconnell|fornavn3=B|år=2018|tittel=Predicting global killer whale population collapse from PCB pollution|publikasjon=Science|volum=361|nummer=6409|sider=1373–1376|doi=10.1126/science.aat1953|besøksdato = 2022-04-29|språk = engelsk |issn=0036-8075}}</ref>

<ref name="Eldegard mfl. (2021-11-24)">Eldegard K, Syvertsen PO, Bjørge A, Kovacs K, Støen O-G og van der Kooij J (24.11.2021). Pattedyr: Vurdering av spekkhogger Orcinus orca for Norge. Rødlista for arter 2021. Artsdatabanken. https://www.artsdatabanken.no/lister/rodlisteforarter/2021/29141</ref>

<ref name="Leonard & Øien (2020)">Leonard D & Øien N 2020 Estmated abundance of cetacean species in the Northeast Atlantic from Norwegian shipboard surveys conducted in 2014-2018. https://doi.org./10.7557/3.4694</ref>

<ref name="NOAA (2022-02-09)">[https://www.fisheries.noaa.gov/species/killer-whale Killer Whale (''Orcinus orca'')]. NOAA Fisheries – Office of Protected Resources</ref>

<ref name="Perrin (2022)">Perrin, W.F. (2022). World Cetacea Database. Orcininae Rice, 1967. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=383337 on 2022-09-05</ref>

<ref name="Pitman & Ensor (2003)">Pitman, R.L., and P. Ensor. 2003. «Three forms of killer whales (''Orcinus orca'') in Antarctic waters». ''Journal of Cetacean Research and Management'' '''5''':131–139.</ref>

<ref name="Reeves, Pitman & Ford (2017)">Reeves, R., Pitman, R.L. & Ford, J.K.B. 2017. ''Orcinus orca''. The IUCN Red List of Threatened Species 2017: e.T15421A50368125. https://dx.doi.org/10.2305/IUCN.UK.2017-3.RLTS.T15421A50368125.en. Accessed on 05 September 2022.</ref>

<ref name="Røsjø (2020-08-20)">Bjarne Røsjø (2020-08-20) ''[https://forskning.no/dyreverden-forurensning-havet/spekkhoggere-som-spiser-sel-far-i-seg-store-mengder-miljogifter/1728572 Spekkhoggere som spiser sel får i seg store mengder miljøgifter]''. Universitetet i Oslo via Forskning.no</ref>

<ref name="Spencer, Gornall & Poulter (1967)">Spencer, M. P., Gornall 3rd, T. A., & Poulter, T. C. (1967). Respiratory and cardiac activity of killer whales. ''Journal of applied physiology'', '''22'''(5), 974–981. https://doi.org/10.1152/jappl.1967.22.5.974</ref>
</references>