Codex on the Flight of Birds of a kite as seeking a wind current. When the winds are high, one will see the bird very high in the sky, but when the winds are low, the bird stays closer to the ground. Leonardo describes how a bird rests in the air, after flapping its wings to gain altitude, by gliding downward to the ground. Folio 6 contains multiple diagrams of birds flying and their bone structure, and all of the commentary is on flight and how birds fly the way that they do. Leonardo starts off by describing how a bird ascends or descends in different
Bare-faced go-away-bird Bare-faced go-away-bird The bare-faced go-away-bird ("Corythaixoides personatus") is a species of bird in the family Musophagidae which is native to the eastern Afrotropics. It is named for its distinctive and uniquely bare, black face. The genus is named for the "g'way" call of its near relation, the grey go-away-bird. The sexes are similar, other than the female's green beak. It is 48 cm long beak to tail, and weighs approximately 210 to 300 grams. It is a noisy and restless species, that moves about singly or in groups. Its call is a double or repetitive "kow-kow ..." It is found