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
Great and Little Kimble in the cold weather, at the foot of the Chiltern Hills." Griffin House School, formerly Ladymede School, an independent co-educational school, is located in Little Kimble. It has a capacity of just over 100 day students from ages 3–11. The main A4010 road runs through Great and Little Kimble, as does the Chiltern railway line between Aylesbury and Princes Risborough. Where the main road meets the railway is Little Kimble railway station, which has been in operation since 1872, although the station buildings are now a private dwelling. There is a level crossing at Marsh. Great and Little Kimble Great