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Data deficient
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<h2 id="see-also">See also</h2> <ul><li><a href="/facts/IUCN_Red_List_data_deficient_species/s2Jj7ovh">IUCN Red List data deficient species</a></li> <li><a href="/facts/List_of_data_deficient_amphibians/PNsxgTaN">List of data deficient amphibians</a></li> <li><a href="/facts/IUCN_Red_List_data_deficient_species_(Annelida)/z4cHUGFV">IUCN Red List data deficient species (Annelida)</a></li> <li><a href="/facts/List_of_data_deficient_arthropods/yJVHWKY7">List of data deficient arthropods</a></li> <li><a href="/facts/List_of_data_deficient_birds/pHd82ezA">List of data deficient birds</a></li> <li><a href="/facts/IUCN_Red_List_data_deficient_species_(Cnidaria)/PeoNU1oz">IUCN Red List data deficient species (Cnidaria)</a></li> <li><a href="/facts/List_of_data_deficient_fishes/Fe8lDN2P">List of data deficient fishes</a></li> <li><a href="/facts/List_of_data_deficient_insects/joUhc8sD">List of data deficient insects</a></li> <li><a href="/facts/List_of_data_deficient_invertebrates/Qgvp09wG">List of data deficient invertebrates</a></li> <li><a href="/facts/List_of_data_deficient_mammals/HhAzDpGx">List of data deficient mammals</a></li> <li><a href="/facts/List_of_data_deficient_molluscs/6GoaaR69">List of data deficient molluscs</a></li> <li><a href="/facts/List_of_data_deficient_plants/kDe7EHz8">List of data deficient plants</a></li> <li><a href="/facts/List_of_data_deficient_reptiles/Saa3C9Kg">List of data deficient reptiles</a></li></ul> <h2 id="external-links">External links</h2> <ul><li>IUCN (2001). <a href="http://www.iucnredlist.org/technical-documents/categories-and-criteria/2001-categories-criteria">"2001 Categories & Criteria (version 3.1)"</a>. <i>2014 IUCN Red List</i>. Retrieved 2014-08-26.</li></ul> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>Reeves, R.; Pitman, R. L.; Ford, J. K. B. (2017). "Orcinus orca". IUCN Red List of Threatened Species. 2017: e.T15421A50368125. doi:10.2305/IUCN.UK.2017-3.RLTS.T15421A50368125.en. Retrieved 19 November 2021. <a href="https://www.iucnredlist.org/species/15421/50368125" target="_blank">https://www.iucnredlist.org/species/15421/50368125</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>"The Categories", in IUCN (1983). <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> </ol>