Researchers discovered over 260 dinosaur footprints in Brazil and Cameroon, 3,700 miles apart, dating back to the Early Cretaceous period. These tracks, originally 621 miles apart on the supercontinent Gondwana, suggest dinosaurs roamed from Africa to South America. The footprints, mostly from three-toed theropods, were found in similar geological contexts. The study highlights a narrow land connection between northeastern Brazil and Cameroon, allowing dinosaur migration.