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Remarkable
Analysis
Phenology
Record counts
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Migration pattern (map)
Totals (date)
Totals (species)
Totals (species x migration site)
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Observation hours
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Totals VRS West-Friesland 2026
Year
all years
2026
2025
2024
2023
2022
2021
2020
2019
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
Totals
Newly
ringed
Retraps
Maximum
Presence
(%)
Presence
(days)
First
Last
1.
Mallard
0
0
1
1
1
0
1 (
29 Mar
)
4
1
29 Mar
29 Mar
2.
Woodpigeon
0
2
1
3
3
0
1 (
10 Feb
)
12
3
10 Feb
21 Mar
3.
Black-headed Gull
18
1
0
19
19
0
8 (
10 Jan
)
20
5
3 Jan
5 Feb
4.
Common Gull
7
0
0
7
7
0
4 (
11 Jan
)
8
2
10 Jan
11 Jan
5.
Sparrowhawk
1
0
1
2
2
0
1 (
18 Jan
)
8
2
18 Jan
22 Mar
6.
Long-eared Owl
0
0
1
1
1
0
1 (
22 Mar
)
4
1
22 Mar
22 Mar
7.
Great Spotted Woodpecker
2
2
3
7
3
4
2 (
4 Jan
)
20
5
4 Jan
22 Mar
8.
Blue Tit
46
51
26
123
15
108
29 (
4 Jan
)
40
10
3 Jan
29 Mar
9.
Great Tit
65
69
104
238
37
201
37 (
4 Jan
)
36
9
4 Jan
29 Mar
10.
Long-tailed Tit
0
2
1
3
2
1
1 (
11 Feb
)
12
3
11 Feb
22 Mar
11.
Chiffchaff
0
0
16
16
13
3
5 (
29 Mar
)
16
4
1 Mar
29 Mar
12.
Blackcap
0
1
1
2
2
0
1 (
8 Feb
)
8
2
8 Feb
10 Mar
13.
Firecrest
1
1
3
5
3
2
2 (
22 Mar
)
16
4
18 Jan
22 Mar
14.
Goldcrest
4
0
9
13
10
3
4 (
22 Mar
)
20
5
4 Jan
29 Mar
15.
Wren
0
3
8
11
2
9
4 (
1 Mar
)
20
5
11 Feb
29 Mar
16.
Short-toed Tree Creeper
0
2
2
4
1
3
1 (
1 Feb
)
16
4
1 Feb
29 Mar
17.
Starling
0
1
1
2
2
0
1 (
13 Feb
)
8
2
13 Feb
22 Mar
18.
Song Thrush
2
0
6
8
2
6
3 (
22 Mar
)
16
4
4 Jan
22 Mar
19.
Redwing
3
1
8
12
12
0
8 (
22 Mar
)
16
4
4 Jan
22 Mar
20.
Blackbird
9
18
11
38
17
21
6 (
1 Feb
)
64
16
3 Jan
22 Mar
21.
Fieldfare
0
1
0
1
1
0
1 (
14 Feb
)
4
1
14 Feb
14 Feb
22.
Robin
6
5
12
23
10
13
5 (
4 Jan
)
32
8
4 Jan
29 Mar
23.
Dunnock
3
2
3
8
4
4
3 (
4 Jan
)
16
4
4 Jan
22 Mar
24.
Chaffinch
22
11
35
68
45
23
17 (
4 Jan
)
40
10
4 Jan
29 Mar
25.
Goldfinch
0
2
0
2
2
0
1 (
1 Feb
)
8
2
1 Feb
7 Feb
26.
Siskin
1
1
0
2
2
0
1 (
18 Jan
)
8
2
18 Jan
1 Feb
Species
Jan
Feb
Mar
Totals
Newly
ringed
Retraps
Maximum
Presence
(%)
Presence
(days)
First
Last
Totals
190
176
253
619
218
401
100
25
Observation hours
9:00
15:00
28:00
52:00
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