measuring around 5

with a small bony frill at the back of the skull

alert for any prey or carrion it might find in the undergrowth

The Dilophosaurus was a medium-sized bipedal predator

showing that some of them looked more like modern birds

Parasaurolophus walkeri Tlatolophus measuring around 5Parasaurolophus walkeri was a herbivorous dinosaur that lived during the Late Cretaceous period, approximately 76 to 73 million years ago, in what is now North America. It belongs to the family of hadrosaurids, known as "duck billed dinosaurs", and is notable for its distinctive tubular crest that extended backward from the top of its skull, making it one of the most recognizable hadrosaurids. The most complete specimens of Parasaurolophus walkeri