Tree Swallow Tachycineta bicolor adult female at nesting cavity in aspen tree Rocky Mountain National Park Colorado USA
Tree Swallow Tachycineta bicolor adult female at nesting cavity in aspen tree Rocky Mountain National Park Colorado USA June 2007
Size: 3520px × 5300px
Photo credit: © Rolf Nussbaumer / Alamy / Afripics
License: Royalty Free
Model Released: No
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