Totals VRS De Haar - Vleuten, De Hoven (Ring-MUS) 2021
| Year | |
| Period | |
| count-field | |
| Also present | |
| Species | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Totals | Newly ringed | Retraps | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| 1. | Mallard | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 (1 Apr) | 3 | 1 | 1 Apr | 1 Apr | ||||
| 2. | Woodpigeon | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 (26 Jun) | 3 | 1 | 26 Jun | 26 Jun | ||||
| 3. | Collared Dove | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 1 (4 Mar) | 6 | 2 | 4 Mar | 22 Jul | ||||
| 4. | Coot | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 (7 Mar) | 3 | 1 | 7 Mar | 7 Mar | ||||
| 5. | Oystercatcher | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 (31 May) | 3 | 1 | 31 May | 31 May | ||||
| 6. | Black-headed Gull | 5 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 14 | 10 | 4 | 7 (27 Feb) | 10 | 3 | 15 Jan | 25 Dec | ||||
| 7. | Common Gull | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 (25 Dec) | 3 | 1 | 25 Dec | 25 Dec | ||||
| 8. | Herring Gull | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 (15 Jan) | 3 | 1 | 15 Jan | 15 Jan | ||||
| 9. | Jackdaw | 0 | 0 | 0 | 1 | 6 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 8 | 7 | 1 | 3 (13 May) | 19 | 6 | 30 Apr | 3 Jul | ||||
| 10. | Carrion Crow | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 2 (27 May) | 3 | 1 | 27 May | 27 May | ||||
| 11. | Blue Tit | 2 | 3 | 0 | 2 | 8 | 1 | 0 | 0 | 0 | 5 | 1 | 4 | 26 | 19 | 7 | 8 (27 May) | 35 | 11 | 15 Jan | 5 Dec | ||||
| 12. | Great Tit | 0 | 0 | 2 | 6 | 0 | 2 | 0 | 0 | 0 | 9 | 2 | 7 | 28 | 18 | 10 | 9 (23 Oct) | 32 | 10 | 4 Mar | 23 Dec | ||||
| 13. | Long-tailed Tit | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 2 | 2 | 0 | 1 (23 Oct) | 6 | 2 | 23 Oct | 23 Dec | ||||
| 14. | Starling | 1 | 3 | 0 | 6 | 6 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 16 | 6 | 5 (23 Jun) | 32 | 10 | 15 Jan | 23 Jun | ||||
| 15. | Blackbird | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 1 | 1 | 1 (4 May) | 6 | 2 | 4 May | 5 Dec | ||||
| 16. | Robin | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 (4 Mar) | 3 | 1 | 4 Mar | 4 Mar | ||||
| 17. | House Sparrow | 0 | 0 | 0 | 0 | 0 | 15 | 28 | 0 | 0 | 0 | 1 | 0 | 44 | 39 | 5 | 26 (18 Jul) | 13 | 4 | 26 Jun | 11 Nov | ||||
| 18. | Chaffinch | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 (2 Dec) | 3 | 1 | 2 Dec | 2 Dec | ||||
| 19. | Greenfinch | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 1 | 2 (26 Jun) | 3 | 1 | 26 Jun | 26 Jun | ||||
| Species | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Totals | Newly ringed | Retraps | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 9 | 13 | 5 | 16 | 24 | 27 | 30 | 0 | 0 | 15 | 4 | 17 | 160 | 124 | 36 | 100 | 31 | ||||||||
| Observation hours | 15:20 | 15:00 | 10:00 | 29:10 | 54:10 | 35:35 | 18:50 | 0:00 | 0:00 | 6:20 | 13:45 | 18:15 | 216:25 | ||||||||||||
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