Alectrosaurus 4
Alectrosaurus is a Tyrannosaurs from Mongolia during Campanian.  It was the top predator of the time, it eats what it wants when it wants.  It is a bit smaller than the large Tyrannosaurus Rex, but like its famous cousin it had small arms and a large head with a long tail for balence.  It hunted in pairs and are very protective of there young.