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• n  small North American finch common in urban areas

• Spizella passerina

News & Articles

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• 'Team of rivals' approach works for sparrows defending territories
  A new study of territorial songs used by chipping sparrows to defend their turf reveals that males sometimes will form a "dear enemy" alliance with a weaker neighbor to prevent a stronger rival from moving in. For the first time findings demonstrate the birds' use of a stereotyped, specialized signal, in this case chipping sparrow trills, to establish brief periods of cooperation among neighbor ...
  Feb. 26, 2014 - Science Daily
• Sparrows Use 'Team Of Rivals' Approach To Defend Territory
  University of Massachusetts at Amherst A new study of territorial songs used by chipping sparrows to defend their turf reveals that males sometimes will form a "dear enemy" alliance with a weaker neighbor to prevent a stronger rival from moving in. University of Massachusetts Amherst graduate student Sarah Goodwin and her advisor, behavioral ecologist Professor Jeffrey Podos , report their ...
  Feb. 26, 2014 - redOrbit