There was an error in the Competing Interests statement. The correct Competing Interests statement is as follows: I have read the journal's policy and have the following competing interests: Novartis provided us with the aromatase inhibitor “letrozole” for our experiments. This does not alter our adherence to all the PLOS ONE policies on sharing data and materials.
Citation: Apfelbeck B, Kiefer S, Mortega KG, Goymann W, Kipper S (2012) Correction: Testosterone Affects Song Modulation during Simulated Territorial Intrusions in Male Black Redstarts (Phoenicurus ochruros). PLoS ONE 7(12): 10.1371/annotation/89b74b56-3f48-4ee2-9da1-699b3fdea564. doi:10.1371/annotation/89b74b56-3f48-4ee2-9da1-699b3fdea564
Published: December 28, 2012
Copyright: © 2012 . This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Competing interests: No competing interests declared.