1. Famous ‘Big John’ Fossil Is More Evidence That Triceratops Fought Each Other  Gizmodo Australia
  2. Big John, world's largest Triceratops, got mauled by a rival dinosaur, fossils suggest  Livescience.com
  3. Traces of Dirty In-Fighting Have Been Found on This Massive Triceratops  ScienceAlert
  4. A triceratops called Big John seems to have been stabbed in the head  New Scientist
  5. View Full coverage on Google News

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