Be one of the first 200 people to sign up with this link and get 20% off your subscription with Brilliant.org! https://brilliant.org/realscience/ Watch this video ad-free on Nebula: https://nebula.tv/videos/realscience-the-insane-biology-of-the-gorilla Patreon: https://www.patreon.com/realscience Instagram: https://www.instagram.com/stephaniesammann Credits: Narrator/Writer: Stephanie Sammann Writer: Ashleen Knutsen Editor: Dylan Hennessy (https://www.behance.net/dylanhennessy1) Editor: Leany Muñoz 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 (https://twitter.com/forgottentowel) Producer: Brian McManus (null) Imagery courtesy of Getty Images [1] https://www.koko.org/ [2] https://gorillafund.org/uncategorized/gorilla-anatomy/ [3] https://www.strengthlog.com/deadlift-strength-standards-kg/ [4] https://archive.org/details/in.ernet.dli.2015.115614/page/n69/mode/2up [5] https://anatomypubs.onlinelibrary.wiley.com/doi/10.1002/ar.21449 [6] https://journals.physiology.org/doi/full/10.1152/jappl.2000.89.1.81 [7] https://gorillafund.org/uncategorized/gorilla-anatomy/ [8] https://pubmed.ncbi.nlm.nih.gov/2843616/ [9] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2964658/ [10] https://open.lib.umn.edu/vetphysioapplied/chapter/fermentation/ [11] https://pubmed.ncbi.nlm.nih.gov/23754526/ [12] https://journals.plos.org/plosbiology/article?id=10.1371/journal.pbio.0030380 [13] https://www.eva.mpg.de/fileadmin/content_files/primatology/pdf/publications/Robbins_Possible_tool_use_in_a_mountain_gorilla_2013.pdf [14] https://gorillafund.org/uncategorized/gorilla-communication/ [15] http://www.gorillagestures.info/index.htm [16] https://www.koko.org/about/programs/project-koko/interspecies-communication/sign-language/ [17] https://www.tandfonline.com/doi/pdf/10.1080/00437956.1990.11435816 [18] https://www.nationalgeographic.co.uk/animals/2018/06/conversations-with-a-gorilla