Quote Originally Posted by Lvl 2 Expert View Post
A land animal the size of T. rex cant sustain himself on scavenging. Vultures are the only modern animals of any halfway decent size that manage it, and they can travel fast and efficient while looking out for food across miles of landscape.
It's worth noting that the size of the predator / scavenger depends in large part on the size of the food. A predator the size of a T. Rex could scavenge from today's road kill. She would need to scavenge from bodies the size of a Triceratops. But they had that option.