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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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Contacts
Totals Westplaat (Maasvlakte, Slufter) 2025
Year
all years
2026
2025
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
Sep
Oct
Nov
Dec
Totals
Newly
ringed
Retraps
Maximum
Presence
(%)
Presence
(days)
First
Last
1.
Water Rail
0
0
0
1
1
1
0
1 (
12 Dec
)
8
1
12 Dec
12 Dec
2.
Ringed Plover
2
3
0
0
5
5
0
3 (
1 Oct
)
15
2
27 Sep
1 Oct
3.
Jack Snipe
0
0
8
3
11
11
0
4 (
6 Nov
)
38
5
6 Nov
17 Dec
4.
Woodcock
0
1
7
1
9
9
0
5 (
23 Nov
)
31
4
20 Oct
12 Dec
5.
Snipe
0
0
1
0
1
1
0
1 (
23 Nov
)
8
1
23 Nov
23 Nov
6.
Redshank
1
0
0
0
1
1
0
1 (
27 Sep
)
8
1
27 Sep
27 Sep
7.
Sanderling
0
0
0
1
1
1
0
1 (
12 Dec
)
8
1
12 Dec
12 Dec
8.
Long-eared Owl
0
0
1
0
1
1
0
1 (
15 Nov
)
8
1
15 Nov
15 Nov
9.
Kingfisher
1
0
0
0
1
1
0
1 (
9 Sep
)
8
1
9 Sep
9 Sep
10.
Coal Tit
0
1
3
0
4
4
0
3 (
6 Nov
)
15
2
12 Oct
6 Nov
11.
Blue Tit
12
98
93
0
203
192
11
93 (
6 Nov
)
69
9
9 Sep
6 Nov
12.
Great Tit
7
36
4
0
47
45
2
13 (
20 Oct
)
62
8
9 Sep
6 Nov
13.
Skylark
0
0
1
0
1
1
0
1 (
6 Nov
)
8
1
6 Nov
6 Nov
14.
Shore Lark
0
0
7
1
8
8
0
3 (
15 Nov
)
31
4
6 Nov
17 Dec
15.
Cetti's Warbler
16
5
1
0
22
21
1
9 (
9 Sep
)
62
8
9 Sep
6 Nov
16.
Long-tailed Tit
19
27
0
0
46
45
1
17 (
1 Oct
)
31
4
9 Sep
11 Oct
17.
Yellow-browed Warbler
0
1
0
0
1
1
0
1 (
1 Oct
)
8
1
1 Oct
1 Oct
18.
Chiffchaff
36
20
1
0
57
57
0
16 (
20 Sep
)
62
8
9 Sep
6 Nov
19.
Sedge Warbler
2
0
0
0
2
2
0
2 (
9 Sep
)
8
1
9 Sep
9 Sep
20.
Reed Warbler
13
0
0
0
13
11
2
13 (
9 Sep
)
8
1
9 Sep
9 Sep
21.
Savi's Warbler
2
0
0
0
2
2
0
2 (
9 Sep
)
8
1
9 Sep
9 Sep
22.
Blackcap
181
184
4
0
369
365
4
100 (
1 Oct
)
69
9
9 Sep
6 Nov
23.
Garden Warbler
19
1
0
0
20
19
1
14 (
9 Sep
)
31
4
9 Sep
1 Oct
24.
Whitethroat
1
0
0
0
1
1
0
1 (
27 Sep
)
8
1
27 Sep
27 Sep
25.
Firecrest
3
11
0
0
14
14
0
4 (
11 Oct
)
46
6
20 Sep
20 Oct
26.
Goldcrest
1
65
4
0
70
70
0
36 (
1 Oct
)
54
7
27 Sep
6 Nov
27.
Wren
5
4
11
0
20
15
5
11 (
6 Nov
)
31
4
9 Sep
6 Nov
28.
Short-toed Tree Creeper
0
1
0
0
1
1
0
1 (
1 Oct
)
8
1
1 Oct
1 Oct
29.
Starling
0
10
1
0
11
11
0
5 (
18 Oct
)
31
4
11 Oct
6 Nov
30.
Song Thrush
1
15
7
0
23
23
0
7 (
18 Oct
)
62
8
27 Sep
15 Nov
Species
Sep
Oct
Nov
Dec
Totals
Newly
ringed
Retraps
Maximum
Presence
(%)
Presence
(days)
First
Last
31.
Redwing
0
7
1
0
8
8
0
5 (
18 Oct
)
23
3
18 Oct
23 Nov
32.
Blackbird
2
24
10
0
36
36
0
11 (
20 Oct
)
54
7
27 Sep
15 Nov
33.
Fieldfare
0
0
2
0
2
2
0
2 (
6 Nov
)
8
1
6 Nov
6 Nov
34.
Robin
46
42
13
0
101
96
5
26 (
27 Sep
)
69
9
9 Sep
6 Nov
35.
Stonechat
2
1
0
0
3
3
0
2 (
9 Sep
)
15
2
9 Sep
1 Oct
36.
Dunnock
20
8
0
0
28
25
3
12 (
20 Sep
)
54
7
9 Sep
20 Oct
37.
Meadow Pipit
0
0
1
1
2
2
0
1 (
23 Nov
)
15
2
23 Nov
17 Dec
38.
Rock Pipit
0
0
0
1
1
1
0
1 (
17 Dec
)
8
1
17 Dec
17 Dec
39.
Chaffinch
1
15
2
0
18
18
0
11 (
18 Oct
)
38
5
27 Sep
6 Nov
40.
Brambling
0
2
0
0
2
2
0
1 (
12 Oct
)
15
2
12 Oct
18 Oct
41.
Bullfinch
5
4
0
0
9
7
2
3 (
9 Sep
)
31
4
9 Sep
12 Oct
42.
Greenfinch
0
1
1
0
2
2
0
1 (
11 Oct
)
15
2
11 Oct
6 Nov
43.
Redpoll
0
0
1
0
1
1
0
1 (
6 Nov
)
8
1
6 Nov
6 Nov
44.
Siskin
1
0
0
0
1
1
0
1 (
27 Sep
)
8
1
27 Sep
27 Sep
45.
Reed Bunting
0
0
0
1
1
1
0
1 (
17 Dec
)
8
1
17 Dec
17 Dec
Species
Sep
Oct
Nov
Dec
Totals
Newly
ringed
Retraps
Maximum
Presence
(%)
Presence
(days)
First
Last
Totals
399
587
185
10
1181
1144
37
100
13
Observation hours
25:30
30:30
23:15
8:30
87:45
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