Uploaded September 2023 | Updated September 2026, 8 hours ago

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His video:

youtu.be/kuJ3m6nf3y0?si=eV1SNOF6AfBWK0KF

Articles used in the video:

nps.gov/articles/000/the-big-cats.htm#:~:text=It%20was%2025%25%20larger%20than,by%20American%20paleontologist%20Joseph%20Leidy

nps.gov/whsa/learn/nature/american-lions.htm#:~:text=The%20American%20lion%20was%20a,bulky%2C%20weighing%20about%20500%20pounds!

en.wikipedia.org/wiki/American_lion#Description

ielc.libguides.com/sdzg/factsheets/extinctamericanlion/characteristics

For those wondering why I used Wikipedia since I don't really, it's because the study is behind a paywall. :(