![](http://www.alamy.com/thumbs/6/8468B555-3D60-4692-B5EB-4227264A61D9/2WAATJ4.jpg)
Common house-martin Delichon urbica, gathering wet mud for nest building, Scotland, UK, June.
Size: 4288px × 2848px
Photo credit: © Ray Kennedy / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: beakfull, building, busy, collecting, common, concern, conservation, declining, delichon, facing, gathering, grass, hard, house-martin, listed, material, messy, migrants, migratory, mud, muddy, nest, nesting, red, single, spring, springtime, summer, urbica, visitors, wet, working