First-winter Crag Martin (Ptyonoprogne rupestris) flying in Switzerland.

---

Size: 4497px × 2998px
Photo credit: © Ralph Martin / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: animal, avian, background, bird, blue, colored, environment, europe, european, fauna, flight, flying, immature, isolated, juvenile, lone, lonely, natural, nature, outdoor, outdoors, parts, showing, side, single, sky, species, upper, wild, wildlife