Western Bluebird (Sialia mexicana occidentalis) - male
Sacramento County, California, USA
Leicaflex SL, 560mm f/5.6 Leitz Telyt
© Douglas Herr

Western Bluebird (Sialia mexicana occidentalis) - female
Sacramento County, California, USA
Leicaflex SL, 560mm f/5.6 Leitz Telyt
© Douglas Herr

Western Bluebird (Sialia mexicana occidentalis) - adult male
Grass Valley, California, United States - September 2, 2004
Canon EOS 10D, Canon 400mm f/5.6L USM, Flash 550EX
© Ed Rotberg