Saber enamel – the lengthy, sharp, blade-like canines present in extinct predators reminiscent of Smilodon – symbolize probably the most excessive dental diversifications in...
500-Pound Prehistoric Fowl Was a ‘Giga-Goose,’ Fossils RevealScientists reveal the face of Australia’s huge, extinct “giga-goose”By Kate EvansThe fossils revealed a novel face—fairly completely...