One of the easiest tames in the game, just a few swings with the club will do it. It'll take about 10 mins with raw meat to take, the saddle is unlocked at level 15, and he is a great beginner mount. Put him on passive flee though, in case dilos get to him.
I dare you to raise one!! They are savage if you got two high lvl parents (about lvl 140ish) and you get imprinting on it. The thing will become an adult with about 230% melee and basically one chomp any bronto!!! But on the down side you loose your job and your girlfriend
Make 4 metal dino gates and 1 large bear trap. Place three frames and door into an incomplete square and the large bear trap in the I between them. Lure the Giga into the trap and while its trapped place 4th down to make the square. Then just light it up with tranqs