Around dusk, thousands of grackles swarm around downtown Houston before descending to roost in trees around the Wortham Center. They fly in some crazy formations. It's quite a sight to behold.
Believe it or not, they've been known to attack people:
WARNING: I got a nice "present" on a brand new shirt while taking these photos. You might want to wear an old sweatshirt if you plan to check 'em out.
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