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Latest from National Butterfly Count

Swallowtail butterflies thrive along SF’s gritty streets

July 13, 2012 by Heather Mack

San Francisco residents are well-acquainted with the seagulls and pigeons in their midst. Take a closer at the green spaces amid the cityscape and you’ll notice one of most beautifully understated wild residents: the swallowtail butterfly.

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