Nanotyrannus vs.T-rex

A T-rex left his young and a Nanotyrannus attack the venomous hatchling,who will win and please watch this.
Credit thanks:History Channel's Jurassic Fight Club,dinosaur777777 on youtube.
http://www.youtube.com/watch?v=OROyw49YXKw

Dinosaur planet-Alpha's Egg part 1/5

Finally i get a new video after a hard time searching,this is a video about Saltasaurus.Patagonyykus,Notosuchus,Giganotosaurus and Aucasaurus.

http://www.youtube.com/watch?v=zf7Kg9RCj8k