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Re: Tianyuraptor ostromi: yet another Liaoning dromaeosaurid



Really sounding like ancient Asia was a pretty dangerous neighborhood.

The experts say the atmosphere was too high in CO2 for us to have survived back 
then - what about these dino's surviving in today's atmosphere?  I'd think a 
high-metabolism animal like a dromaeosaurid would be much more vulnerable to 
atmospheric changes than a big lumbering sauropod.