July 25 – Hey, Eddie!

Little facts about science

Today’s factismal: Reptiles are found on every continent except Antarctica (and they used to live there!).

If you want to call a group of animals successful, then you have your choice of how to define the term. You can base it on the distribution of the critters: those that live in more places are more successful. Or you can base it on the longevity of the critters’ clade: those that have been around longer are more successful. Or you can base it on all of the other critters that have evolved out of that clade: having more branches on their tree of life makes them more successful. But no matter how you define success, the reptiles have it.

They are found on every continent except Antarctica and used to live there until it got too cold for them about 15 million years ago. Reptiles are found in a wide variety…

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