Delicate details of primary and secondary wing feathers from an European Greenfinch adult showing how feather barbs lock together to allow flight

---

Size: 7360px × 4912px
Location: Sevenoaks, UK
Photo credit: © Yon Marsh Natural History / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: adult, barbed, barbes, barbles, barbs, barbule, bird, carduelis, carpal, chloris, contour, coverts, delicate, edge, elliptical, feather, feathers, finch, flight, gleam, glistening, green, greenfinch, hint, hooklets, interlocking, male, outer, outerwing, overlapped, plumage, primaries, primary, quill, rachis, remiges, scapular, secondary, sheen, spectacular, surface, top, topside, vane, vaned, wing, yellow