Mountain Bluebird - eBird

Mountain Bluebird - Sialia currucoides - Media Search - Macaulay

Mountain Bluebird - Sialia currucoides - Media Search - Macaulay Library and eBird

Mountain Bluebird - eBird

Mountain Bluebird - eBird

Have you seen a Mountain Bluebird lately? In winter, they're known

Seeing the vagrant mountain bluebird on Long Island reminded me of

Maryland Biodiversity Project - Mountain Bluebird (Sialia currucoides)

Mountain Bluebird - eBird

Mountain Bluebird - South Dakota Birds and Birding