Quick adujustment to what I said in the "American Robin Flyover" original post. Migration doesn't start until October, late September. Thanks to the birders who pointed this mistake out to me.
They are actually flocking, like a few other species, such as Common Grackles, Red-winged Blackbirds, etc, and they are birds from nearby. However, I will continue to count. Interesting to see how the numbers fluctuate. Plus, data is data, as the birders reassured me that my counts were not for nothing.
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