I once was building a thatch base near a beach, it was near a jungle. A trex was on the otherside of the beach so I thought it would be ok. I was w r o n g, I looked away for a few moments and then I looked, it wasn't there anymore. I was like "Huh I wonder where it is." I LOOK UP AND ITS RIGHT THERE! I run into the jungle but then I got killed by a scorpion, best t rex encounter yet.