![](http://www.alamy.com/thumbs/6/8C673A63-A0ED-44F7-BFD0-395A6472F326/B550EH.jpg)
Mountain Bluebird Sialia currucoides male at nesting cavity Rocky Mountain National Park Colorado USA
Size: 3413px × 5120px
Photo credit: © Bill Draker / Rolfnp / Alamy / Afripics
License: Licensed
Model Released: No
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