Fig. 1

Overview of spring migration and stopover site dataset for Anatidae. The dataset includes 222 spring migrations from 193 individuals belonging to 14 populations (five grazers, seven facultative herbivores and two omnivores) of 10 species covering Europe, East Asia and North America, from 1995 to 2016. Points are stopover site locations; point colour corresponds to background colour of species names; consecutive stopover sites during the individual migrations are connected by a line, as an indication of migration route. (Photo credits in order of appearance: J. Frade, M. Langthim, P. Ertl, Y. Muzika, O. Samwald, D. Cooper, B. Keen, S. Harvančík, S. Harvančík and M. Panchal)