How can you tell dinosaurs apart?

You can learn a lot about dinosaurs by looking at their bones. Some dinosaurs were very small; others were huge. Some had sharp, pointy teeth for eating meat; most plant-eaters had flat, dull teeth. Some dinosaurs' hipbones pointed forward, while other dinosaurs' hipbones pointed backward. There were dinosaurs with bony armor on their backs and others with deadly horns on their heads. Today scientists have divided dinosaurs into separate orders according to their special characteristics. It's easy to see--dinosaurs are different.

NOTES FROM ALIKI
0nce, when I was reading one of my books to Jason, who was just learning words, I asked him, "What is my name?" He said, "Byaliki." I laughed. But in many ways I am a bi-Aliki. Greek and American. Bilingual. Author and illustrator. Writer of fiction and nonfiction-books that come from inside out (feeling books), and outside in (research books).