This afternoon, we had a large flock of Common Grackles in our front yard - not a particularly exciting bird for list purposes, but an interesting phenomenon. For about a week or so now, I've been noting flocks of 100-200 grackles moving through the neighborhood. They are feeding vigorously and moving on quickly. Interestingly, many of them are molting. I'm wondering if the grackles undergo a molt migration in the fashion that Ted Floyd has so insightfully informed us about for Chipping Sparrows.
Chuck Hundertmark
Lafayette, CO
303-604-0531
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