Talk:Fusion Reports/@comment-5206138-20120903203757/@comment-5270079-20120904040556

There doesn't seem to be a set schedule. Typically, we see that when Tiny Co intros a new dino, that new dino becomes the active dino in its tier/ biome. Sometimes, other tier/ biomes change active dinos at that time as well. But that hasn't happened for the last 3 or 4 new intros.

Also, sometimes the newbie does not become active, as experienced with the Mesohippus.