I spent Hours looking for one, And Eventually I found one Stuck on a cliff so, I took the time to tame it and named Her FlyZ. FlyZ Got Eaten by a rex only 5 minutes after I tamed her, While i was trying To make A saddle.
If you drop a quetzal due to knockout, and it lands next to a giga...just know, the quetzal belong to the giga. Now you get to watch your would be quetzal get eaten by a giga. Now you can go home and cry.