The size of this massive snake also shows the tropics were much warmer than previously believed. Snake size depends on temperature - the hotter the bigger. For this beast that snacked on crocodiles to thrive, temperatures in the tropics must have averaged 30 to 34 degrees Celsius – three to four degrees hotter than the present. That throws cold water on the "thermostat" theory championed by Lindzen that in a warming world, the poles will warm much more than the equator, sparing the tropics from the worst of climate change.
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