Orcas are some of the most effective predators in the ocean, and each population of them has entirely different prey preferences and hunting techniques, more than earning their nickname “killer whale!”
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Sources:
https://www.nsf.gov/news/news_summ.jsp?cntn_id=100463
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4997274/
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https://www.orcaresearch.org/wp-content/uploads/2011/08/Visser-et-al-2008-Antarctic-killer-whales-use-waves.pdf
https://www.orcaresearch.org/wp-content/uploads/2011/08/Visser-2005-thresher-hammerhead-orca.pdf
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https://us.whales.org/whales-dolphins/facts-about-orcas/
Images:
https://en.wikipedia.org/wiki/File:Orca_internal_anatomy.svg
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