Pretty sure that is a juvenile Mountain Bluebird. I have a nesting pair of Eastern Bluebirds in my backyard, but haven't seen the juveniles yet. They are very similar.
« Last Edit: July 30, 2013, 10:45:54 PM by nonac »
1Dx, 5d Mark III, 7d Mark II, 24mm f/1.4L II, 24-105 f/4L IS, 70-200 f/2.8L IS II, 100 f/2.8L IS macro, 135 f/2L, 300 f/2.8L II, 3x 600EX-RT, ST-E3-RT, EF 1.4x III