- Received January 19, 2017.
- Accepted February 20, 2017.
- Published online March 15, 2017.
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- 1Experimental Zoology Group, Department of Animal Sciences, Wageningen University, De Elst 1, Wageningen, The Netherlands
- 2Sound and Behavior Group, Department of Biology, University of Southern Denmark, Campusvej 55, Odense M, Denmark