Cliff swallow (Hirundo pyrrhonota) birds clinging to bridge wall, Yellowstone NP, Wyoming

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

Keywords: behavior, birds, breeding, bridge, cliff, colony, lamar, national, nesting, nests, park, swallow, swallows, usa, valley, wildlife, wyoming, yellowstone