Red-winged Blackbirds.
Dark-eyed Juncos.
Cedar Waxwings.
American Goldfinches.
Ok, these are mostly solo shots, but each of these birds was part of a flock…. 
This male Red-wing, however, was on the todd.
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This work by Matthew Wills is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 United States License.
Backyard and Beyond 
Beautiful! I look at your blog every day and love it.
Saw mixed flocks of Red-winged Blackbirds and Common Grackles in Central Park this morning. White-throated, and Song Sparrows mixed with Dark-eyed Juncos foraging together too.