Watch in awe as scientists dig back in time to unearth the prehistoric giant that became known to the world as SuperCroc. As big as a school bus, SuperCroc was twice the size of the American crocodile with jaws so strong he could snare a dinosaur. Dig deeper to learn the details from the experts: the biological background of this monster; how he lived; how he evolved; and how he eventually became extinct. National Geographic supports K-12 educators with ELA Common Core Resources. Visit www.natgeoed.org/commoncore for more information.