Discerning dinosaur lovers have a new name to drop when asked about their favorite dino. Meet Infernogallus jamesi – the 'hell chicken' that lived alongside icons like Tyrannosaurus rex and Triceratops. Despite its fearsome name, Infernogallus was only about the size of a turkey, weighing around 12 kilograms (26 pounds). It wouldn't have been anything to worry about – unless you were a juicy piece of fruit.