birds, these feathered creatures, have been on Earth for a while. Birds are living dinosaurs. About 65 million years ago, a huge extinction caused by an asteroid impact wiped out all dinosaurs except for one group. That group of dinosaurs went on to become all the birds we see today. They appeared in cultures, literature, mythologies, paintings, sculptures, and even music. Birds have been necessary to human society in multiple ways. Since their origin, birds and eggs have bee