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Kempenaers, B., Borgstrom, P., Loes, P., Schlicht, E., & Valcu, M. (2010). Artificial night lighting affects dawn song, extra-pair siring success, and lay date in songbirds. Curr Biol, 20(19), 1735–1739.
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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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