tyrannosaurus rex is running on ice age

age alone amphibian animal background beast big boondocks carnivore carnivorous character coelurosauria colossal creature dangerous desert dino dinosaur dinosaurs extinct gigantic hazardous history ice illustration isolated jurassic land monster nature palaeontology paleontology predator prehistoric prehistory reptile rex saliva trex tyrannosaur tyrannosaure tyrannosaurus tyrannosaurusrex widerness wild wilderness