clusters of cliff swallow mud nests under concrete highway bridge

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Size: 6000px × 4002px
Photo credit: © Marek Uliasz / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: bird, bridge, clay, cliff, cluster, colorado, concrete, diagonal, empty, highway, landscape, mud, nest, overpass, rail, road, spring, swallow, urban, wildlife