There is a mission when your like level 76 where you need to tame a quetzal, and the reward for completing this mission is exp, and I mean a lot of exp!(The exp gives enough for you to give this massive bird 40 levels so I will give a little list of what levels you probably should tame, Easy: Level 25-30 is good enough, Medium: Level 120-150 is good, Hard: Level 260-300 is also good, and Brutal: 400-450 is good, oh also Im on mobile so idk if this mission is on the pc version as well.)

Have some fun with this information, and my names Spinofan2024.