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
Whitehead (bird) Whitehead (bird) The whitehead ("Mohoua albicilla"; Māori: "pōpokotea") is a small species (15 cm in length, 18.5/14.5 g.) of passerine bird endemic to New Zealand. It is classified in the family Mohouidae. The male whitehead's upperparts, wings and tail are a pale brown in colour, while the head and underparts are white – in the case of the male an almost pure white in colour. Females and juveniles have similar colouration except that the nape and crown (top of the head) are shaded brown. The black beak and eyes contrast with the white head and the feet are bluish black