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Totals VRS Zwolle (Westerstraat) 2021
| | Species | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Totals | Newly
ringed | Retraps | Maximum | Presence
(%) | Presence
(days) | First | Last | |
| 1. | Blue Tit | 40 | 1 | 6 | 0 | 5 | 1 | 0 | 13 | 36 | 27 | 14 | 15 | 158 | 107 | 51 | 30 (19 Sep) | 100 | 17 | 3 Jan | 12 Dec | | | | |
| 2. | Great Tit | 22 | 6 | 7 | 0 | 4 | 2 | 0 | 1 | 6 | 11 | 14 | 12 | 85 | 63 | 22 | 12 ( 3 Jan) | 94 | 16 | 3 Jan | 12 Dec | | | | |
| 3. | Blackcap | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 (14 Feb) | 6 | 1 | 14 Feb | 14 Feb | | | | |
| 4. | Lesser Whitethroat | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 1 (19 Sep) | 6 | 1 | 19 Sep | 19 Sep | | | | |
| 5. | Wren | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 (16 Oct) | 6 | 1 | 16 Oct | 16 Oct | | | | |
| 6. | Blackbird | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 1 (30 Jan) | 12 | 2 | 30 Jan | 6 Mar | | | | |
| 7. | Robin | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 3 | 2 | 1 | 2 (30 Oct) | 12 | 2 | 19 Sep | 30 Oct | | | | |
| 8. | House Sparrow | 6 | 2 | 1 | 0 | 8 | 7 | 0 | 8 | 10 | 10 | 4 | 4 | 60 | 54 | 6 | 7 (23 May) | 94 | 16 | 3 Jan | 12 Dec | | | | |
| 9. | Chaffinch | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 1 (14 Nov) | 6 | 1 | 14 Nov | 14 Nov | | | | |
| | Species | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Totals | Newly
ringed | Retraps | Maximum | Presence
(%) | Presence
(days) | First | Last | |
| |
Totals |
69 | 10 | 15 | 0 | 17 | 10 | 0 | 22 | 54 | 51 | 33 | 31 | 312 | 229 | 83 | | 100 | 17 | | |
| |
Observation hours |
10:15 | 4:00 | 11:00 | 0:00 | 28:15 | 4:30 | 0:00 | 7:55 | 11:15 | 10:20 | 6:05 | 6:00 | 99:35 |
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