This month’s cover image is of an adult male chipping sparrow with his characteristic rufous cap. The photograph was taken by Jerry Webb, an avid birder, member of the Nashville chapter of the Tennessee Ornithological Society, and citizen scientist. He captured this photo in Adams County, Wisconsin on July 19, 2009 using a Canon 40D with an L Series 70‐200 lens and a 2X extender.

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封面图片和发行信息

本月的封面图片是一只成年雄性麻雀，其特征是棕褐色。这张照片是由狂热的观鸟者，田纳西州鸟类学会纳什维尔分会成员，公民科学家杰里·韦伯（Jerry Webb）拍摄的。他于2009年7月19日在威斯康星州亚当斯县拍摄了这张照片，使用的是佳能40D，L系列70-200镜头和2X增倍镜。