25 random facts to add to your plethora of useless knowledge (25 Photos) By: Ben In: Facts, Interesting Jan 7, 2016 1393 Liked! 58 Disliked 0 1 The T-Rex lacked the ability to roar. If it wasn’t silent, it likely could only hiss like a Crocodile. Like this post? 1393 Liked! 0