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Citations
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Miller, M. W. (2006). Apparent Effects of Light Pollution on Singing Behavior of American Robins. Condor, 108(1), 130.
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Nordt, A., & Klenke, R. (2013). Sleepless in town--drivers of the temporal shift in dawn song in urban European blackbirds. PLoS One, 8(8), e71476.
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