Jeff Skrentny:
Ruddy Duck males Fermi Lab Oct 2009 IMG_2709
Jeff Skrentny:
Purple Finch male Fermi Lab Oct 2009 IMG_2701
Jeff Skrentny:
Purple Finch female Fermi Lab Oct 2009 IMG_2687
Jeff Skrentny:
Harris's Sparrow winter adult Fermi Lab Oct 2009 IMG_2695
Jeff Skrentny:
Harris's Sparrow winter adult Fermi Lab Oct 2009 IMG_2694
Jeff Skrentny:
Harris's Sparrow winter adult Fermi Lab Oct 2009 IMG_2692