Eastern BlueBird Eating Sumac Seeds in Winter Published on January 21, 2014 in Photographing Eastern Bluebirds in WinterFull resolution (2440 × 2009) ← Previous Next → Eastern BlueBird Subsisting on Sumac Seeds During a Cold, Brutal Winter. ISO 1000; f/7.1; 1/1250 Second Thank you for sharing....DiggitFacebookGoogleTwitterLinkedinStumbleuponPinterestEmailTumblrPhotograph of Eastern Bluebird Wintering in Michigan Thank you for sharing....DiggitFacebookGoogleTwitterLinkedinStumbleuponPinterestEmailTumblr