flight feather

• Plume grande et rigide de l'aile d'un oiseau, essentielle au vol, qui assure la portance et la propulsion.

One of the large, strong feathers on a bird's wing that are essential for flight, providing lift and propulsion.

1. Primary flight featherC1formal

   One of the large, stiff feathers on a bird's wing that are essential for generating lift and thrust during flight.

   Rémige primaire

   • The eagle's flight feathers are crucial for soaring at high altitudes.
   • A damaged flight feather can severely impair a bird's ability to fly.
   • Ornithologists study the structure of flight feathers to understand aerodynamics.

2. Secondary flight featherC1formal

   Feathers located on the inner part of the wing that provide lift and stability during flight.

   Rémige secondaire

   • Secondary flight feathers help the bird maintain altitude.
   • The arrangement of secondary flight feathers varies among species.
   • During molting, birds shed and replace their flight feathers.