Cliff Swallow (Hirundo pyrrhonota) peering out of nest on building, Yellowstone NP, Wyoming

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Size: 3456px × 5184px
Photo credit: © Duncan Usher / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: bird, birds, building, cliff, national, nesting, nests, park, roof, swallow, usa, wildlife, wyoming, yellowstone