Watch the additional video I made about the sacred pact between orcas and humans that allowed them to work together to hunt off the coast of Australia: https://nebula.tv/videos/realscience-...

Watch this video ad-free on Nebula: https://nebula.tv/videos/realscience-...

Patreon:   / realscience  
Instagram:   / stephaniesammann  

Images Courtesy of Getty Images
Thanks to Dr. Rebecca Helm

Credits:
Narrator: Stephanie Sammann
Writer: Lorraine Boissoneault
Editor: Dylan Hennessy (https://www.behance.net/dylanhennessy1)
Illustrator: Jacek Ambrożewski
Illustrator/Animator: Kirtan Patel (https://kpatart.com/illustrations)
Animator: Mike Ridolfi (https://www.moboxgraphics.com/)
Sound: Graham Haerther (https://haerther.net)
Thumbnail: Simon Buckmaster (  / forgottentowel  )
Producer: Brian McManus (   / realengineering  )

REFERENCES
[1] https://www.americanoceans.org/facts/...
[2] https://oceanservice.noaa.gov/facts/s...
[3] https://www.google.com/books/edition/...
[4] https://www.nature.com/articles/s4159...
[5] https://www.keybiscayne.fl.gov/news_d...
[6] https://www.nature.com/articles/s4159...
[7] https://journals.plos.org/plosbiology...
[8] https://link.springer.com/article/10....
[9] https://www.int-res.com/articles/meps...
[10] https://www.nature.com/articles/s4159...]
[11] https://www.nature.com/articles/s4155...
[12] https://www.nature.com/articles/s4159...
[13] https://pubs.acs.org/doi/full/10.1021...
[14] https://journals.plos.org/plosbiology...
[15] https://www.sciencedirect.com/science...