Swallows picking mud for nesting

---

Size: 6000px × 4000px
Location: Rhine
Photo credit: © Markus Volk / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: -wings, animal, apus, avió, beak, bird, birds, building, common, culture, feather, flow, flowing, freshwater, gorge, heritage, hirundinidae, hirundínidos, martins, mauersegler, mittelrheintal, moving, rhein, rheintal, rhine, rin, river, riverbed, rivers, rural, schwalbe, songbird, stream, supply, swallow, swift, urban, valley, village, water, wild, wildlife, zapador