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Remarkable
Analysis
Phenology
Record counts
Graph
Graph (combo)
Migration pattern (map)
Totals (date)
Totals (species)
Totals (species x migration site)
Totals by year (species)
Observation hours graph
Observation hours
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Totals VRS Zwolle (Westerstraat) 2025
Year
all years
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
Period
january
february
march
april
may
june
july
august
september
october
november
december
all months
spring
autumn
jan, feb & mar
feb, mar & apr
mar, apr & may
apr, may & jun
may, jun & jul
jun, jul & aug
jul, aug & sep
aug, sep & oct
sep, oct & nov
oct, nov & dec
jan & feb
feb & mar
mar & apr
apr & may
may & jun
jun & jul
jul & aug
aug & sep
sep & oct
oct & nov
nov & dec
dec & jan
count-field
newly
ringed + retraps
newly
ringed
retraps
Also present
Species
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Totals
Newly
ringed
Retraps
Maximum
Presence
(%)
Presence
(days)
First
Last
1.
Blue Tit
24
5
6
0
0
1
0
21
6
24
51
138
87
51
21 (
30 Aug
)
83
19
4 Jan
23 Nov
2.
Great Tit
10
5
6
0
1
1
0
8
8
18
41
98
70
28
17 (
16 Nov
)
91
21
4 Jan
23 Nov
3.
Chiffchaff
0
0
1
0
0
0
0
0
0
2
0
3
3
0
1 (
23 Mar
)
13
3
23 Mar
25 Oct
4.
Blackcap
0
0
0
0
0
1
0
0
0
2
0
3
3
0
1 (
9 Jun
)
13
3
9 Jun
25 Oct
5.
Firecrest
0
0
0
0
0
0
0
0
0
0
1
1
1
0
1 (
16 Nov
)
4
1
16 Nov
16 Nov
6.
Wren
0
0
0
0
0
0
0
0
0
0
1
1
1
0
1 (
16 Nov
)
4
1
16 Nov
16 Nov
7.
Starling
1
1
0
0
0
0
0
0
0
2
0
4
4
0
2 (
18 Oct
)
13
3
11 Jan
18 Oct
8.
Blackbird
0
2
2
0
1
0
0
0
0
2
0
7
5
2
2 (
1 Mar
)
22
5
2 Feb
12 Oct
9.
Robin
2
1
3
0
0
0
0
0
0
0
3
9
6
3
2 (
4 Jan
)
30
7
4 Jan
16 Nov
10.
House Sparrow
0
0
4
0
1
0
0
2
2
6
1
16
6
10
3 (
29 Mar
)
43
10
16 Mar
23 Nov
11.
Dunnock
0
0
2
0
1
0
0
0
0
0
0
3
2
1
2 (
23 Mar
)
9
2
23 Mar
4 May
12.
Chaffinch
0
1
0
0
0
0
0
0
0
0
0
1
1
0
1 (
8 Feb
)
4
1
8 Feb
8 Feb
Species
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Totals
Newly
ringed
Retraps
Maximum
Presence
(%)
Presence
(days)
First
Last
Totals
37
15
24
0
4
3
0
31
16
56
98
284
189
95
100
23
Observation hours
14:05
8:35
20:40
0:00
4:15
4:15
0:00
9:00
8:30
22:29
19:15
111:04
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