Your article is protected by copyright and all rights are held exclusively by Konrad Lorenz Institute for Evolution and Cognition Research. This e-offprint is for personal use only and shall not be self-archived in electronic repositories. If you wish to self-archive your article, please use the accepted manuscript version for posting on your own website. You may further deposit the accepted manuscript version in any repository, provided it is only made publicly available 12 months after official publication or later and provided acknowledgement is given to the original source of publication and a link is inserted to the published article on Springer's website. The link must be accompanied by the following text: "The final publica...
Your article is protected by copyright and all rights are held exclusively by Konrad Lorenz Institut...
Your article is protected by copyright and all rights are held exclusively by Springer Science +Busi...
Your article is protected by copyright and all rights are held exclusively by Springer-Verlag. This ...
Your article is protected by copyright and all rights are held exclusively by Springer Fachmedien Wi...
Your article is protected by copyright and all rights are held exclusively by Springer-Verlag Berlin...
Your article is protected by copyright and all rights are held exclusively by Springer-Verlag Berlin...
Your article is protected by copyright and all rights are held exclusively by Springer Science +Busi...
Your article is protected by copyright and all rights are held exclusively by Springer Science +Busi...
Your article is protected by copyright and all rights are held exclusively by Springer Science+Busin...
Your article is protected by copyright and all rights are held exclusively by Dt. Ornithologen-Gesel...
Your article is protected by copyright and all rights are held exclusively by Springer-Verlag Berlin...
Your article is protected by copyright and all rights are held exclusively by Springer Science +Busi...
Your article is protected by copyright and all rights are held exclusively by Springer Science +Busi...
Your article is protected by copyright and all rights are held exclusively by Springer Science +Busi...
Your article is protected by copyright and all rights are held exclusively by Springer-Verlag. This ...
Your article is protected by copyright and all rights are held exclusively by Konrad Lorenz Institut...
Your article is protected by copyright and all rights are held exclusively by Springer Science +Busi...
Your article is protected by copyright and all rights are held exclusively by Springer-Verlag. This ...
Your article is protected by copyright and all rights are held exclusively by Springer Fachmedien Wi...
Your article is protected by copyright and all rights are held exclusively by Springer-Verlag Berlin...
Your article is protected by copyright and all rights are held exclusively by Springer-Verlag Berlin...
Your article is protected by copyright and all rights are held exclusively by Springer Science +Busi...
Your article is protected by copyright and all rights are held exclusively by Springer Science +Busi...
Your article is protected by copyright and all rights are held exclusively by Springer Science+Busin...
Your article is protected by copyright and all rights are held exclusively by Dt. Ornithologen-Gesel...
Your article is protected by copyright and all rights are held exclusively by Springer-Verlag Berlin...
Your article is protected by copyright and all rights are held exclusively by Springer Science +Busi...
Your article is protected by copyright and all rights are held exclusively by Springer Science +Busi...
Your article is protected by copyright and all rights are held exclusively by Springer Science +Busi...
Your article is protected by copyright and all rights are held exclusively by Springer-Verlag. This ...
Your article is protected by copyright and all rights are held exclusively by Konrad Lorenz Institut...
Your article is protected by copyright and all rights are held exclusively by Springer Science +Busi...
Your article is protected by copyright and all rights are held exclusively by Springer-Verlag. This ...