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History
- Received July 1, 2021
- Revision received August 11, 2021
- Accepted September 2, 2021
- Published online September 23, 2021.
Copyright & Usage
Copyright © 2021 Wegener et al. This is an open-access article distributed under the terms of the Creative Commons Attribution 4.0 International license, which permits unrestricted use, distribution and reproduction in any medium provided that the original work is properly attributed.
Author Information
- 1Brain Research Institute, Center for Cognitive Science, University of Bremen, 28334 Bremen, Germany
- 2Department of Biology, University of Bremen, 28334 Bremen, Germany
- 3Institute of Terrestrial and Aquatic Wildlife Research, University of Veterinary Medicine, 30559 Hannover, Germany
- Correspondence should be addressed to Detlef Wegener at dwegener{at}uni-bremen.de.
Author contributions
Author contributions: D.W. and D.Q.P.O. designed research; D.W., D.Q.P.O., H.L., M.B., and A.K.K. performed research; D.W. and D.Q.P.O. analyzed data; D.W. wrote the paper.
Disclosures
The authors declare no competing financial interests.
This work was supported by the German Research Foundation Grant WE 5469/3-1.
Funding
Deutsche Forschungsgemeinschaft (DFG)
WE 5469/3-1
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