Four giant three-toed prints found in 2025 near Marmarth, North Dakota turned out to be the first trackway ever attributed to an adult T. rex, and the 66.5-million-year-old sequence records a 13-foot stride — the predator was strolling at 3.5 to 4.5 mph, about the – Space Daily

Four giant three-toed prints found in 2025 near Marmarth, North Dakota turned out to be the first trackway ever attributed to an adult T. rex, and the 66.5-million-year-old sequence records a 13-foot stride — the predator was strolling at 3.5 to 4.5 mph, about the  Space DailyOne giant step: first known adult T rex footprints found in North Dakota  The GuardianWorld's First Adult T. Rex Trackway Discovered By High School Teacher, We Could Scrap The Leap Second As Early As Next Month, And Much More This Week  IFLScienceFirst-ever adult Tyrannosaurus rex trackway discovered in North Dakota badlands  CBS NewsHow an Unlikely Fossil Hunter Found a Tyrannosaurus Trail  National Geographic

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