The stress of cold weather affects some birds in strange ways. Consider the behavior of this ultra-aggressive male House Finch, bottom right…
Lashing out at a Chipping Sparrow who has been patiently waiting his turn, the House Finch eventually drives both the Sparrow and a Dark-Eyed Junco from the queue.
Having the cleared the queue, however, the Bully Boy never gets a turn at the feeder, which seems to be dominated by other House Finches and Goldfinches, zipping in from the air!
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