Smallest of the flying dinosaurs was about the size of a robin.
Scholars who study dinosaurs say there were some smart dinosaurs and many stupid dinosaurs. The smart ones came along early, but in the survival wars, the stupid dinosaurs won.
Experts on dinosaurs, having measured resonating chambers of skulls, claim that some of those big beasts groaned tones like the tones of French horns.
In the past 20 years, more than 50 new species of dinosaurs have been identified.
Footprints in stone show that little dinosaurs moved pretty swiftly...up to 27 mph. Bigger dinosaurs labored along quite slowly...always under 4 mph.
Most dinosaurs lived in what is now the United States. Second choice seems to have been China and Argentina.
What wiped out the dinosaurs 65 million years ago actually did away with about two-thirds of all animal species alive until then. Yet whoever hears about any but the dinosaurs?
A chimp baby nurses for about three years.