Yutyrannus huali Hesperornis and to have formed social

and to have formed social herds for protection and foraging

Extinction: Although they thrived through much of the Jurassic

Approximate measurements of Lystrosaurus:

Paraceratherium was one of the largest terrestrial mammals to have existed on Earth

Yutyrannus huali Hesperornis and to have formed socialYutyrannus huali is an extinct species of theropod dinosaur that lived during the early Cretaceous period, approximately 125 million years ago. The name "Yutyrannus" means "feathered tyrant" and refers to its relationship with tyrannosaurs, while "huali" translates to "beautiful" in Chinese, referring to the beauty of the fossils found. Yutyrannus huali is especially notable because it is one of the largest known dinosaurs to have been discovered with