The ONLY Dinosaur T. Rex Was Afraid Of

Dinosaurs feared nothing... right? Well, as it happened, there was one known dinosaur living at the same time and place as Tyrannosaurus rex that even this apex predator probably wouldn't have considered going near. But what kind of animal could have been so insurmountable, so intimidating, that even a fully grown T rex would fear going near? Join us, as we find out. 0:00 Introduction 0:47 The Dangers of Hell Creek 4:25 The Dinosaur That T. Rex Feared the Most 8:09 The Pack Hunting Hypothesis 9:34 Outro Our other channels 👇 🌎 Top5s: LISTS & HORROR https://www.youtube.com/channel/UCX51Dixddr5HuwLVBH9ykeQ 🔎 ColdCaseDetective: TRUE CRIME https://www.youtube.com/channel/UCdjslyNQupPSFxK_mSPcG-g? 🪖 WarsofTheWorld: MILITARY HISTORY https://www.youtube.com/channel/UCB29sxIJ9PQIo0hCnIaOMbg 👽 DestinationDeclassified: ALIENS & UFOs https://www.youtube.com/channel/UCfxuwHJ4cQHgf1ez7662_fQ 🪐 AccessAstronomy: SPACE & ASTRONOMY https://www.youtube.com/channel/UCpbMdDya7ubh013QGe0JqHA/featured ⚔️ MedievalMadness: MEDIEVAL HISTORY https://www.youtube.com/channel/UCWoMpx18YeSVuI7ObqEk8eg Written, Researched & Presented by: Thomas McGlynn Thanks for watching. DISCLAIMER: All materials in these videos are used for entertainment purposes and fall within the guidelines of fair use. No copyright infringement is intended. If you are, or represent the copyright owner of materials used in this video, and have an issue with the use of said material, PLEASE email us before putting in a claim and we can resolve the issue immediately. We can be reach on this email: [email protected] Copyright © 2026 Top5s All rights reserved.