Scientists have learned もっと見る about the ancient 動物 in the last 25 years than in the 前 250—from the color of their skin and feathers to how they lived and evolved.
Preserved scales from the tail of Juravenator—a small predatory dinosaur that lived 150 million years 前 in what is now Germany—contain small bumps that scientists believe are sensory organs.
New fossil discoveries and the most detailed analysis yet of Dilophosaurus have produced the first clear picture of what the crested dinosaur really looked like.