Institution: | 1. Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, Nieuwe Achtergracht 166, 1018 WV Amsterdam, The Netherlands;2. SOVON Dutch Centre for Field Ornithology, Rijksstraatweg 178, 6573 DG Beek-Ubbergen, The Netherlands;3. Institute of Ornithology, Croatian Academy of Sciences and Arts, Gunduli?eva 24/II, 10000 Zagreb, Croatia;4. Department of GIS Technology, OTB, Delft University of Technology, Jaffalaan 9, 2628 BX Delft, The Netherlands |