Abstract of the primary flight feathers of a Cooper's Hawk,Accipiter cooperii. The flight feathers,remiges,of birds feature a shaft called the rachis from which branch out the barbs. The barbs further branch into interlocking barbules which cross-attach via barbicels | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Shields, Martin |
Taille de l’image : | 4930 px × 3300 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
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