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Remarkable
Analysis
Phenology
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Totals (date)
Totals (species)
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Totals by year (species)
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Observation hours
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Select until 10 May
Totals VRS Zwolle (Westerstraat) 2016 - 2025
Species
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
Totals
Average
Newly
ringed
Retraps
Year
Maximum
1.
Collared Dove
1
1
0
0
1
0
2
0
0
0
5
0.5
5
0
2 (
2022
)
2.
Great Spotted Woodpecker
0
1
0
0
0
0
1
0
0
0
2
0.2
1
1
1 (
2017
)
3.
Jay
0
2
1
0
0
0
2
0
0
0
5
0.5
4
1
2 (
2017
)
4.
Jackdaw
0
0
0
0
0
0
0
0
1
0
1
0.1
1
0
1 (
2024
)
5.
Coal Tit
3
0
0
1
1
0
0
0
0
0
5
0.5
2
3
3 (
2016
)
6.
Blue Tit
42
55
42
139
134
158
107
151
125
35
988
99
599
389
158 (
2021
)
7.
Great Tit
24
31
39
132
93
85
85
71
51
22
633
63
406
227
132 (
2019
)
8.
Long-tailed Tit
0
0
0
2
2
0
0
0
2
0
6
0.6
6
0
2 (
2019
)
9.
Willow Warbler
1
0
0
0
0
0
0
0
0
0
1
0.1
1
0
1 (
2016
)
10.
Chiffchaff
2
2
0
0
1
0
2
2
1
1
11
1.1
11
0
2 (
2016
)
11.
Reed Warbler
0
0
0
0
0
0
0
1
0
0
1
0.1
1
0
1 (
2023
)
12.
Blackcap
1
2
1
1
0
1
0
0
0
0
6
0.6
6
0
2 (
2017
)
13.
Lesser Whitethroat
0
0
0
0
0
1
0
0
0
0
1
0.1
1
0
1 (
2021
)
14.
Wren
2
1
2
0
0
1
4
0
0
0
10
1
8
2
4 (
2022
)
15.
Nuthatch
0
1
0
0
0
0
0
0
0
0
1
0.1
1
0
1 (
2017
)
16.
Starling
1
0
1
0
0
0
0
3
6
2
13
1.3
13
0
6 (
2024
)
17.
Blackbird
3
16
10
8
0
2
6
6
5
5
61
6.1
50
11
16 (
2017
)
18.
Robin
2
16
5
0
4
3
3
7
7
6
53
5.3
45
8
16 (
2017
)
19.
Redstart
0
0
0
0
0
0
1
0
0
0
1
0.1
1
0
1 (
2022
)
20.
House Sparrow
54
23
21
55
31
60
103
66
64
5
482
48
361
121
103 (
2022
)
21.
Dunnock
0
0
1
1
0
0
4
1
4
3
14
1.4
13
1
4 (
2022
)
22.
Chaffinch
0
1
1
1
4
1
4
3
3
1
19
1.9
18
1
4 (
2020
)
23.
Siskin
1
0
0
0
0
0
0
0
0
0
1
0.1
1
0
1 (
2016
)
Species
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
Totals
Average
Newly
ringed
Retraps
Year
Maximum
Totals
137
152
124
340
271
312
324
311
269
80
2320
232
1555
765
Observation hours
130:00
121:30
131:30
133:15
81:45
99:35
94:32
117:22
134:41
47:35
1,091:45
109:11
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