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What's the Largest Land Animal That Ever Existed on Earth?
HowStuffWorks via Yahoo News Singapore· 5 hours agoWedel. "Why sauropods had long necks; and why giraffes have short necks." PeerJ. Feb 12, 2013. (May 27, 2015) http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3628838/ Wiley-Blackwell< ...
