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
Two Little Dickie Birds Two Little Dickie Birds "Two Little Dickie Birds" or "Two Little Black Birds" is an English language nursery rhyme and fingerplay. It has a Roud Folk Song Index number of 16401. Modern versions of the lyrics include: The rhyme was first recorded when published in "Mother Goose's Melody" in London around 1765. In this version the names of the birds were Jack and Gill: These names seem to have been replaced with the apostles Peter and Paul in the 19th century. In American English, the variant "Two Little Blackbirds" is more common. <poem> Two little blackbirds sitting on a hill.