Totals Zernike Ecology Project, Groningen 2025
| 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. | Woodpigeon | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 (20 Jun) | 8 | 1 | 20 Jun | 20 Jun | ||||
| 2. | Common Buzzard | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 (21 Feb) | 8 | 1 | 21 Feb | 21 Feb | ||||
| 3. | Kingfisher | 0 | 0 | 3 | 1 | 2 | 0 | 0 | 0 | 4 | 2 | 1 | 2 | 15 | 8 | 7 | 4 (19 Sep) | 58 | 7 | 21 Mar | 12 Dec | ||||
| 4. | Great Spotted Woodpecker | 1 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 2 | 1 | 1 | 8 | 6 | 2 | 2 (17 Oct) | 58 | 7 | 31 Jan | 22 Dec | ||||
| 5. | Jay | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 4 | 2 | 2 | 2 (21 Mar) | 25 | 3 | 31 Jan | 21 Nov | ||||
| 6. | Blue Tit | 9 | 5 | 3 | 5 | 0 | 0 | 0 | 0 | 2 | 4 | 7 | 37 | 72 | 46 | 26 | 24 (22 Dec) | 75 | 9 | 31 Jan | 22 Dec | ||||
| 7. | Great Tit | 3 | 4 | 2 | 3 | 1 | 4 | 0 | 0 | 8 | 7 | 11 | 24 | 67 | 31 | 36 | 14 (22 Dec) | 92 | 11 | 31 Jan | 22 Dec | ||||
| 8. | Long-tailed Tit | 2 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 20 | 20 | 0 | 14 (12 Dec) | 25 | 3 | 31 Jan | 12 Dec | ||||
| 9. | Chiffchaff | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 1 (18 Apr) | 17 | 2 | 18 Apr | 16 May | ||||
| 10. | Blackcap | 0 | 0 | 0 | 4 | 3 | 3 | 0 | 0 | 1 | 0 | 0 | 0 | 11 | 11 | 0 | 4 (18 Apr) | 33 | 4 | 18 Apr | 19 Sep | ||||
| 11. | Firecrest | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 3 | 0 | 2 (12 Dec) | 17 | 2 | 12 Dec | 22 Dec | ||||
| 12. | Goldcrest | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 7 | 6 | 1 | 4 (12 Dec) | 33 | 4 | 21 Feb | 22 Dec | ||||
| 13. | Wren | 0 | 0 | 2 | 2 | 3 | 1 | 0 | 0 | 3 | 1 | 0 | 2 | 14 | 11 | 3 | 3 (16 May) | 67 | 8 | 21 Mar | 22 Dec | ||||
| 14. | Short-toed Tree Creeper | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 (12 Dec) | 8 | 1 | 12 Dec | 12 Dec | ||||
| 15. | Song Thrush | 0 | 0 | 0 | 0 | 4 | 2 | 0 | 0 | 0 | 4 | 0 | 0 | 10 | 8 | 2 | 4 (16 May) | 25 | 3 | 16 May | 17 Oct | ||||
| 16. | Redwing | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 (17 Oct) | 8 | 1 | 17 Oct | 17 Oct | ||||
| 17. | Blackbird | 6 | 0 | 0 | 0 | 6 | 5 | 0 | 0 | 0 | 3 | 2 | 6 | 28 | 19 | 9 | 6 (31 Jan) | 58 | 7 | 31 Jan | 22 Dec | ||||
| 18. | Robin | 2 | 2 | 4 | 2 | 4 | 4 | 0 | 0 | 1 | 3 | 3 | 4 | 29 | 16 | 13 | 4 (21 Mar) | 92 | 11 | 31 Jan | 22 Dec | ||||
| 19. | Redstart | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 (18 Apr) | 8 | 1 | 18 Apr | 18 Apr | ||||
| 20. | Dunnock | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 (21 Feb) | 8 | 1 | 21 Feb | 21 Feb | ||||
| 21. | Chaffinch | 1 | 1 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 6 | 6 | 0 | 2 (20 Jun) | 42 | 5 | 31 Jan | 22 Dec | ||||
| Species | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Totals | Newly ringed | Retraps | Maximum | Presence (%) | Presence (days) | First | Last | |||||
| Totals | 25 | 15 | 22 | 19 | 26 | 23 | 0 | 0 | 19 | 27 | 26 | 100 | 302 | 201 | 101 | 100 | 12 | ||||||||
| Observation hours | 4:00 | 5:00 | 5:30 | 5:00 | 6:00 | 6:05 | 0:00 | 0:00 | 5:15 | 5:00 | 3:30 | 8:50 | 54:10 | ||||||||||||
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