Observed several of these immature Black-throated Blues just back from the shoreline of Folsom Pond during my 6-13 August 2011 fishing week.
If you have a large viewing display, try the 'original' size.
Nikon D700
,AF-S VR Nikkor 70-200mm f2.8G with TC-20 E II 1/40s f/5.6 at 400.0mm iso1250
Cropped 8x10 Landscape at 100% Zoom with CaptureNX2
full exif