[…]

Credits:
Narrator/Writer: Stephanie Sammann
Writer: Angela Wipperman
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 (https://twitter.com/forgottentowel)
Producer: Brian McManus (https://www.youtube.com/c/realenginee…)

Imagery courtesy of Getty Images

References:

[1] https://ielc.libguides.com/sdzg/facts…
[2] http://www.biologyreference.com/A-Ar/…
[3] https://www.nature.com/articles/natur…
[4] https://www.nature.com/scitable/topic…
[5] http://www.nhc.ed.ac.uk/index.php?pag…
[6] https://pubmed.ncbi.nlm.nih.gov/19805…
[7] https://www.jstor.org/stable/56816?seq=1
[8] https://platypus.asn.au/biology/
[9] https://bit.ly/35NqVaP
[10] https://www.reed.edu/biology/professo…
[11] https://web.archive.org/web/201903070…
[12] https://genomebiology.biomedcentral.c…
[13] https://pubmed.ncbi.nlm.nih.gov/18463…