Bigger then both its relatives Reaching over 59 feet tall Rarely 60 sometimes at adulthood They Grow That Magnificent crest.. used for Mating displays.. Social Behaviors are around like.. A Herd type of behavior or pack up to 6 members form into a pack sometimes for Mating season or sometimes for egg season they roam the ice lands of the prehistoric realm of theirs.. they have been known to be piscivores.. Rarely kill an animal unless threatened observed to eat plants strangley enough unlike enough unlike.. their parent Yutyrannus they dont eat meat.. well fish is meat but.. you get the point.... anyways.. they can lay up to 4 to.. 7 eggs.. they make a ring of next together during Mating season.. they protect them at all cause.. apexes of their frozen wonderland.. well in their parts atleast of course.. Interactions between Yutyrannus groups and such are strange.. kind of.. they.. communicate usually sharing resources.. sometimes bonding and helping hunt.. they can get 48 feet long in length.. 2,600 –
3,100 lbs in weight.. no interactions with oxalaia due to they don't live anywhere near them.. they seem to stand clear of groups of herbivores and such for safety and they don't really care about them nor do the herbivores.. they tend to swim in deep frozen water.. the eyelids of theirs help keep ice from blinding them.. the sail of these animals are very useful.. at night.. here comes the best part.. they are bioluminescent.. feathers and eyes and specks of their crest glow at night.. sometimes their tail aswell.. anyways that's all the information on this amazing creature for now..