Eli5 why do we find so many dinosaur skeletons but so few skeletons of our own ancestors like Lucy?

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An actual 6 year-old asked me the question today. I was at a loss.

**Edit**: a lot of interesting answers, food for thought, and ideas on how to explain it to a child. Many thanks to the community!

If I summarize:

* Dinosaurs lived for a very (very) long time, all over the earth, and there were countless different species of them.
* There were few of our ancestors, from just a few species, and most of their existence was confined to limited geographical areas.
* The conditions for a fossil to form are extremely rare, and they may have been even rarer for our ancestors than they were for dinosaurs.

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Anonymous 0 Comments

People are providing a lot of answers to your question, but I question the basis of your question. What are you even talking about? On what basis are you suggesting that there are more dinosaur fossils than there are fossils of primates or direct human ancestors from the last 5 million or so years?

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