Phenology
Year | Migration site | First | Migration site | Last | |||||
---|---|---|---|---|---|---|---|---|---|
2019 | Parnassia, Kennemerduinen | 21 April | Parnassia, Kennemerduinen | 21 April | |||||
2014 | Parnassia, Kennemerduinen | 31 March | Parnassia, Kennemerduinen | 18 October | |||||
2011 | Parnassia, Kennemerduinen | 29 September | Parnassia, Kennemerduinen | 2 October |