T. Rex Babies: Tiny Size, Deadly Nature

Baby Tyrannosaurus rex hatchlings weighed just 5.5 pounds and hunted like miniature apex predators right out of the shell, according to a study published in the journal Biology. Paleontologists analyzing newly examined fossils from T. rex and its close cousin Gorgosaurus libratus found dental and vascular evidence showing that infant tyrannosaurids were active and lethal … Read more