About the Authors

Miklos Blaho

Affiliation Environmental Optics Laboratory, Department of Biological Physics, Physical Institute, Eötvös University, Budapest, Hungary

Adam Egri

Affiliation Environmental Optics Laboratory, Department of Biological Physics, Physical Institute, Eötvös University, Budapest, Hungary

Lea Bahidszki

Affiliation Environmental Optics Laboratory, Department of Biological Physics, Physical Institute, Eötvös University, Budapest, Hungary

Gyorgy Kriska

Affiliations Group for Methodology in Biology Teaching, Biological Institute, Eötvös University, Budapest, Hungary, Danube Research Institute, Centre for Ecological Research, Hungarian Academy of Sciences, Vácrátót, Hungary

Ramon Hegedus

Affiliation Computer Vision and Robotics Group, University of Girona, Girona, Spain

Susanne Åkesson

susanne.akesson@biol.lu.se

Affiliation Department of Biology, Centre for Animal Movement Research, Lund University, Lund, Sweden

Gabor Horvath

Affiliation Environmental Optics Laboratory, Department of Biological Physics, Physical Institute, Eötvös University, Budapest, Hungary

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: GK SA GH. Performed the experiments: MB AE LB GK RH GH. Analyzed the data: MB AE RH GH. Contributed reagents/materials/analysis tools: MB AE GK RH SA GH. Wrote the paper: SA GH.