Protein retrieved from a 68 millon-year-old Tyrannosaurus rex bone closely resembles the main protein in chicken and ostrich bones and is only distantly related to lizards', strengthening the popular idea that birds, and not reptiles, are the closest living relatives of dinosaurs. -
T. Rex Closer to Gizzards Than Lizards
Protein retrieved from a 68 millon-year-old Tyrannosaurus rex bone closely resembles the main protein in chicken and ostrich bones and is only distantly related to lizards', strengthening the popular idea that birds, and not reptiles, are the closest living relatives of dinosaurs.-
By Rick Weiss