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  • 12-12-2016
  • Physics
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tools used as nut crackers by chimps and birds

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roguehamster2073
roguehamster2073 roguehamster2073
  • 12-12-2016
Parrots have nice tough beaks that were formed over time to crack tough nuts and insects. 

Chimps use rocks and other tools of their environment to crack tough stuff.
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