User blog comment:BonesMcGee/Brainstorm: Potential savings in using the hurry hatch trick/@comment-5251515-20120922171245/@comment-5200570-20120923004539

There is a method to figure out which dino you get before it hatches, but I'm still unclear about wether or not it's against the wikia rules to actually discuss the steps... I'm sure it's on the site somewhere, or maybe someone who knows the rules better may have something to tell you.