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 Blackwell Otis Blackwell Otis Blackwell (February 16, 1931 – May 6, 2002) was an African-American songwriter, singer, and pianist, whose work significantly influenced rock and roll. His compositions include "Fever", recorded by Little Willie John; "Great Balls of Fire" and "Breathless", recorded by Jerry Lee Lewis; "Don't Be Cruel", "All Shook Up" and "Return to Sender" (with Winfield Scott), recorded by Elvis Presley; and "Handy Man", recorded by Jimmy Jones. He is not to be confused with the songwriter and record producer Robert "Bumps" Blackwell. Blackwell was born in Brooklyn, New York. He learned to play the piano as a child