Boombeak; Sail used for displays of courtship and intimidation, able to change colors; Big boy smarty brain. Large, thick tail used for balance when on hind legs. Claws for digging holes for both their family and hunting purposes; The Boombeak then snaps its jaws shut in less than a second, creating a shock wave that stuns and shocks prey. Muscles in the head pull the mandibles back. Once the mandibles are in place, it gets close to their target.