Phenology
| Year | Migration site | First | Migration site | Last | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2021 | Honnay | 21 August | Honnay | 21 September | |||||
| 2019 | Honnay | 26 August | Honnay | 9 September | |||||
| 2001 | Honnay | 19 August | Honnay | 23 August | |||||
| 1997 | Honnay | 5 September | Honnay | 5 September |
| Hits Totals site | |
| Today | 9496 |
| Month | 191131 |
| Year | 5212535 |
| Totals | 243075988 |
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