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Hybrid bluebirds

Mountain Bluebird

Posted by Scott Yerges on March 20, 2018 at 1:58 pm
Views 65

Watching elk in Yellowstone National Park when this little fellow lit on a tree branch next to me.

Editor’s note: This appears to be a male Mountain Bluebird with genes of either Eastern or Western Bluebird. The species are known to hybridize. 

Read more about this bird and other bluebird hybrids