1. Department of Ethology, Eötvös Loránd University, Pázmány Péter prom 1/c, H-1117, Budapest, Hungary
2. Department of Biological Physics, Eötvös Loránd University, Pázmány Péter prom 1/a, H-1117 Budapest, Hungary
3. MTA-ELTE Comparative Ethology Research Group, Pázmány Péter prom 1/c, H-1117 Budapest, Hungary
4. University of Valencia, Dr. Moliner street 50, ES-46100 Burjassot, Valencia, Spain