IDTIMWYTIM: Bird or Dinosaur?

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User: SilenTom

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Hank fixes those of us who are probably wrong about what is and is not a dinosaur... and gives a refresher to those of us who do know this already.

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References:

http://www.lindahall.org/events_exhib/exhibit/exhibits/darwin/42_cuvier.shtml

http://animalreview.wordpress.com/2011/04/14/pterodactyl-pterosaur/

http://www.ucmp.berkeley.edu/diapsids/extinctheory.html