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Biol Lett. Apr 23, 2012; 8(2): 320.
Published online Jan 11, 2012. doi:  10.1098/rsbl.2011.1225
PMCID: PMC3297410
Experimental evidence for real-time song frequency shift in response to urban noise in a passerine bird
Eira Bermúdez-Cuamatzin, Alejandro A. Ríos-Chelén, Diego Gil, and Constantino Macías Garcia
When we published, we neglected to mention this article is part of Eira Bermúdez Cuamatzin's thesis to obtain the PhD degree in the ‘Programa de Doctorado en Ciencias Biomédicas’ at the Universidad Nacional Autónoma de México (UNAM). We are grateful to the Instituto de Ecología at UNAM.
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