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Re: Building Blocks of T. rex



Kelly,

My favorite is the recent(?) announcement that T. rex exhibits considerable  
sexual dimorphism, *and* that the really big T. rex specimens are the females.  
Our summer campers (ages 9-13) really thought this was cool. 


However, this info was shared by one of our guest speakers in anecdotal form  
only. Mayhap the professionals can steer us to a reference, please?

Kata McCarville
Colorado School of Mines