How old are the oldest bird fossils?
Every one of our feathery birds can trace back his family tree to 60 million years ago. Fossils from all parts of the world show that the birds of those far off days Were just like the birds of today. However, there were more varieties, for many types of birds have perished f rom the earth. When the experts talk about the earliest birds they tend to choose their words with care. Everyone agrees that the ancestors of our modern birds flocked over the world some 60 million years ago. But most peop1e take it for granted that any animal is a bird if he has feathers, a toothless beak and wings instead of arms. If this is so, then there Were true birds more than 100 million years ago, and We have found the fossil remains of their fragile bones to prove it. A million is a big number for a young mind to grasp. If you gave up all your playtime, chores and school work, you just might be able to count this high in about four months. If you were Set on counting to 100 million, the dreary task woul