1. Centre for Ocean Life DTU‐Aqua, Technical Univ. of Denmark Lyngby Denmark
2. Dept of Evolutionary Biology, Bielefeld Univ. Bielefeld Germany
3. Dept of Behavioural Ecology, Bielefeld Univ. Bielefeld Germany
4. Dept of Animal Behaviour, Bielefeld Univ. Bielefeld Germany
5. Inst. for Evolution and Biodiversity, Univ. of Münster Münster Germany
6. Apicultural State Inst., Univ. of Hohenheim Stuttgart Germany
7. Dept of Chemical Ecology, Bielefeld Univ. Bielefeld Germany
8. Inst. of Ecology and Evolution, Friedrich Schiller Univ. Jena Jena Germany
9. Dept of Psychology, Univ. of Warwick Coventry UK
10. Dept of Theoretical Biology, Bielefeld Univ. Bielefeld Germany