Eremopezus more than a large emu—and more than 10 kg—slightly more than the largest living storks (which reach over 150 cm in height) and the shoebill. The general limit for weight in flying birds is at about 25 kg, the exceptional "Argentavis magnificens" with its size and weight of a good-sized adult human notwithstanding as it evolved under unusual ecological conditions. Large males of the kori bustard ("Ardeotis kori") and great bustard ("Otis tarda") are perfectly capable of flight, while weighing in excess of 20 kg. A wing loading of c. 25 kg/m is the known limit for bird flight under
Otis Norcross great-great grandfather of Otis Norcross, Jr., both of whom served as schoolteachers in the early Watertown colony ("see family tree below"). This Norcross blood-line extends further in perpetuity with Otis Norcross' great grandfather Peter Norcross (1710–1777) whose younger brother William Norcross (1715 – "ca". 1775), and his wife Lydia [Wheeler] (married 6 Nov. 1741), are the great, great grandparents of Otis' third cousin once removed American poet, Emily Dickinson; daughter of Emily [Norcross] and Edward Dickinson; granddaughter of Joel Norcross and Betsey [Fay]; and great granddaughter of William and Sarah [Marsh] Norcross. During the American Revolution, the Norcross family "served