1. 1 University of Sopron , Institute of Wildlife Management and Wildlife Biology , 9400 Sopron, Bajcsy-Zsilinszky utca 4 ., Hungary
2. 2 Behavioural Ecology Group, Department of Systematic Zoology and Ecology , Eötvös Loránd University , 1117 Budapest, Pázmány Péter sétány 1/c , Hungary
3. 3 Department of Paleontology, Institute of Geography and Earth Sciences , Eötvös Loránd University , 1117 Budapest, Pázmány Péter sétány 1/c , Hungary
4. 4 Department of Paleontology and Geology , Hungarian Natural History Museum , 1431 Budapest, Pf. 137 , Hungary
5. 5 Independent Researcher, Hungarian Woodpecker Working Group, c/o MME BirdLife Hungary , Budapest , Hungary
6. 6 Department of Anatomy, Cell- and Developmental Biology , Eötvös Loránd University , 1117 Budapest, Pázmány Péter sétány 1/c , Hungary