Bulu terbang

Bulu terbang (Pennae volatus) adalah bulu pennaceous yang terpasang secara simetris namun berbentuk asimetris yang berbentuk panjang di bagian sayap atau ekor burung. Fungsi utama bulu terbang adalah untuk membantu gaya dorong dan angkat, sehingga dapat terbang.

Catatan

Referensi

Pranala luar 
 Wing Feathers—US Fish and Wildlife Service document  Contains excellent photographic examples of emargination and notching in raptor remiges.
 Video of feeding Magellanic woodpecker (Campephilus magellanicus) Shows use of rectrices for bracing.
 Video of singing male superb lyrebird (Menuta novaehollandiae) Shows long modified rectrices which are used in display (though the video doesn't show full display).
 Video of male club-winged manakin (Machaeropterus deliciosus) Shows use of secondary remiges to produce sound.
 Cornell Laboratory of Ornithology's American woodcock (Scolopax minor) recordings #94216 has a good example of the sounds made by remiges during courtship display flight, starting at about 2:32.
 Sound made by rectrices in courtship flight of common snipe (Gallinago gallinago) 

Burung