| Titre : | Biomechanical interpretation of photographs showing birds in flight. |
| Auteurs : | Werner Nachtigall, Auteur |
| Type de document : | Article |
| Dans : | Vogelwelt (Die) (135(2) 2014) |
| Article en page(s) : | 83-88 |
| Résumé : | Compared to photos showing free flying and approaching Snowy Owls (WOTHE angle of attack of the wings, wing twisting, lifting of the outer wing parts and generation of aerodynamic forces and moments; staggered primaries and V-position of the wings; spreading of the wing coverts and lifting of the alula; air braking and aerodynamic stability by tail spreading. |



