1. Bonn University; Institute of Zoology; Department Neuroethology/Sensory Ecology; Endenicher Allee 11-13; 53115 Bonn; Germany
2. Tübingen University; Institute of Anatomy; Österbergstraße 3; 72074 Tübingen; Germany
3. Bielefeld University; Faculty of Biology & CITEC; AG Active Sensing; Universitätsstraße 25; 33615 Bielefeld; Germany