Giant Beavers were the largest rodents in North America. They grew the size of a bear and ruled ponds with iron teeth. The size is a given. It was a behemoth. But the more we learn about it the less it looks like beaver. In some ways it seems to more like a giant muskrat-capybara hybrid. So really was the giant beaver? 00:00 Giant Beavers: The Prehistoric Rodents You Didn't Know Existed 01:39 How Big Was Castoroides, Really? 02:52 Extrapolation Errors & Demoting the Beaver Guide 03:39 The Femur Scan Breakthrough (Capybara Comparisons) 05:05 Locomotion & Aquatic Adaptations (Muskrat Tail) 07:01 The Evolution of Swimming & Burrowing (Palaeocastor) 08:29 Miocene Climate Shifts & Wood-Cutting History 09:55 Tooth Structure & Isotope Analysis (Diets Exposed) 12:09 The Truth About Dams and Lodges 14:02 Re-Evolving Away From "Beaver" Features Examining the nature of the beast. From apex predators to the planet's strangest creatures, Animalogic goes deep into the science, behavior, and biology of the animal kingdom, one species at a time. ───────────────────────────── 📗 GET THE BOOK ───────────────────────────── "Strange Creatures" — animal facts and original illustrations from the Animalogic team: http://bit.ly/animalogicbook ───────────────────────────── JOIN THE COMMUNITY ───────────────────────────── 🎵 TikTok: https://www.tiktok.com/@animalogic 📘 Facebook: https://www.facebook.com/AnimalogicShow 📸 Instagram: https://www.instagram.com/animalogicshow/ ───────────────────────────── SUPPORT ANIMALOGIC ───────────────────────────── 👕 Merch: https://bit.ly/3SXGrXL ❤️ Member perks: https://bit.ly/AnimalogicMembership 🙏 Patreon: https://www.patreon.com/animalogic ───────────────────────────── MORE FROM UNDERKNOWN ───────────────────────────── 🔬 What If – Science Hypotheticals: https://bit.ly/youtube-What-If 🧠 Aperture – Philosophy & Psychology: https://bit.ly/aperture-show 🆘 How to Survive – Survival Science: https://bit.ly/how-to-survive-show ───────────────────────────── 📩 Brand partnerships & collaborations: [email protected] Produced by Underknown: https://underknown.com #beaver #animals #wildlife #nature #prehistoric #history #evolution #documentary #naturedocumentary #animaldocumentary