Fig. 1
Location of the sites/wetlands with regular data on breeding Common Pochard habitat and abundance in European Russia. Numbers on the map correspond to numbers used to identify sites/wetlands in text
Fig. 1 | Avian Research
Location of the sites/wetlands with regular data on breeding Common Pochard habitat and abundance in European Russia. Numbers on the map correspond to numbers used to identify sites/wetlands in text
Avian Research