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Patreon:   / realscience  
Twitter:   / stephaniesamma  
Instagram:   / stephaniesammann  

Credits:
Narrator/Writer: Stephanie Sammann
Editor: Dylan Hennessy (https://www.behance.net/dylanhennessy1)
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  )

Imagery courtesy of Getty Images

Harpy Eagle Skull" (https://skfb.ly/6VQv6) by Got_Pizza is licensed under Creative Commons Attribution (http://creativecommons.org/licenses/b...)

Music:

Run with the Wolves by Ardie Son
Decisions by ANBR
Secret-pathways by Ardie Son
Horizon by Veaceslav Draganov
Rain by ANBR
Visions by Ardie Son
Saved by Lemon J

References:
[1] https://animals.sandiegozoo.org/anima...
[2] https://www.sciencedirect.com/science...
[3] https://oxfordre.com/neuroscience/vie...
[4] https://www.opticianonline.net/featur...
[5] http://takethemoment.org/?p=152
[6] https://pubmed.ncbi.nlm.nih.gov/11076...
[7] https://journals.biologists.com/jeb/a...
[8] http://cpb.iphy.ac.cn/article/2020/20...
[9] https://www.fws.gov/lab/featheratlas/...
[10] https://courses.lumenlearning.com/os-...
[11] https://animals.sandiegozoo.org/anima...
[12] https://pubmed.ncbi.nlm.nih.gov/20727...
[13] https://royalsocietypublishing.org/do...
[14] https://link.springer.com/chapter/10....