House martingale gathering mud for nest

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Size: 3300px × 2200px
Photo credit: © GEORGE RESZETER / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: avian, bird, birding, birds, birdwatch, birdwatching, collect, collecting, delichon, europe, gather, gathers, george, hirundine, house, martin, material, mud, nature, nest, nestin, nesting, ornithology, reszeter, rump, swift, urbica, urbicum, white