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News From the Field

"Get Off My Lawn": Song Sparrows Escalate Territorial Threats--With Video


February 12, 2013

song sparrow singing in his territory Territorial song sparrows use increasingly threatening signals to ward off trespassing rivals. First an early warning that matches the intruder's song, then wing waving--a bird's version of "flipping the bird"--as the dispute heats up, and finally, if all other signals have failed, attack. Full Story

Source
University of Washington

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