Bizarre Spinosaurus makes history as first known swimming dinosaur. A newfound fossil tail from this giant predator stretches our understanding of how—and where—dinosaurs lived.

Updated on July 1st, 2025 - Version: 180 - Latest Addition: Blue Whale, Amsterdam Albatross, Silky Sifaka, Sumatran Tiger, Philippine Eagle, California Condor, Black Rhino, Green Sea Turtle, Helmeted ...