flight feather

• Одно из крупных, прочных перьев на крыле птицы, необходимых для полёта, обеспечивающих подъёмную силу и движение.

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.

   Маховое перо

   • 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.

   Второстепенное маховое перо

   • 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.