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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)
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Observation hours
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Abcoude A2 (nacht)
Totals 2025 -
Year
all years
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
individuals
individuals + calls
calls
Also present
Species
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Totals
Maximum
Presence
(%)
Presence
(days)
First
Last
1.
Canada Goose
0
0
1
0
0
0
20
4
0
0
25
20 (
20 Aug
)
4
4
13 Apr
9 Sep
2.
Barnacle Goose
0
0
6
0
5
5
0
1
0
5
22
6 (
13 Apr
)
6
7
13 Apr
22 Nov
3.
Greylag Goose
0
0
1
0
2
29
12
4
11
1
60
10 (
18 Jul
)
18
20
20 Apr
22 Nov
4.
Eurasian White-fronted Goose
1
0
0
0
0
0
0
16
0
16
33
14 (
29 Sep
)
8
9
16 Feb
22 Nov
5.
Shelduck
0
0
0
0
0
1
0
0
0
0
1
1 (
14 Jul
)
1
1
14 Jul
14 Jul
6.
Gadwall
0
0
6
0
0
1
24
26
0
3
60
6 (
26 Aug
)
21
23
13 Apr
10 Nov
7.
Wigeon
0
2
0
0
0
0
0
13
2
5
22
5 (
27 Sep
)
11
12
22 Mar
10 Nov
8.
Mallard
0
2
1
0
1
0
4
2
0
0
10
2 (
22 Mar
)
8
9
22 Mar
29 Sep
9.
Teal
0
0
0
0
1
0
0
1
0
0
2
1 (
14 Jun
)
2
2
14 Jun
24 Sep
10.
Quail
0
0
0
1
2
1
0
0
0
0
4
1 (
31 May
)
4
4
31 May
1 Jul
11.
Water Rail
0
1
1
1
12
4
2
7
1
0
29
4 (
24 Jun
)
22
25
27 Mar
1 Oct
12.
Moorhen
0
0
0
0
1
4
1
0
2
0
8
2 (
1 Oct
)
6
7
28 Jun
1 Oct
13.
Coot
0
0
0
1
1
2
1
0
0
0
5
1 (
31 May
)
4
5
31 May
9 Aug
14.
Little Grebe
0
0
0
1
2
1
1
0
0
0
5
1 (
31 May
)
4
5
31 May
14 Aug
15.
Oystercatcher
0
0
0
0
3
16
2
3
0
0
24
2 (
16 Jul
)
21
23
28 Jun
27 Sep
16.
Avocet
0
0
0
0
1
4
1
0
0
0
6
2 (
16 Jul
)
4
5
20 Jun
11 Aug
17.
Grey Plover
0
0
0
0
0
0
4
1
0
0
5
1 (
10 Aug
)
4
5
10 Aug
24 Sep
18.
Golden Plover
0
0
0
0
0
0
5
1
3
1
10
3 (
18 Aug
)
6
7
11 Aug
10 Nov
19.
Ringed Plover
0
0
0
0
0
1
6
4
0
0
11
4 (
18 Aug
)
6
7
8 Jul
22 Sep
20.
Little Ringed Plover
0
0
0
0
2
1
1
2
0
0
6
1 (
12 Jun
)
5
6
12 Jun
6 Sep
21.
Lapwing
0
0
0
0
1
6
7
0
0
0
14
2 (
8 Jul
)
11
12
30 Jun
20 Aug
22.
Whimbrel
0
0
1
3
0
5
3
6
0
0
18
4 (
22 Sep
)
10
11
13 Apr
26 Sep
23.
Curlew
0
0
0
0
7
1
2
6
0
1
17
3 (
6 Sep
)
11
12
20 Jun
10 Nov
24.
Snipe
1
0
1
0
0
1
2
3
1
0
9
1 (
16 Feb
)
8
9
16 Feb
1 Oct
25.
Common Sandpiper
0
0
1
0
2
16
62
20
0
0
101
10 (
18 Aug
)
35
39
20 Apr
29 Sep
26.
Green Sandpiper
0
0
0
0
2
2
8
6
0
0
18
4 (
17 Sep
)
13
14
20 Jun
17 Sep
27.
Wood Sandpiper
0
0
0
0
0
0
2
0
0
0
2
1 (
12 Aug
)
2
2
12 Aug
21 Aug
28.
Redshank
0
3
2
0
1
0
6
0
0
0
12
2 (
22 Mar
)
7
8
22 Mar
31 Aug
29.
Greenshank
0
0
0
0
0
0
3
9
0
0
12
6 (
2 Sep
)
4
5
9 Aug
5 Sep
30.
Dunlin
0
0
0
0
0
0
1
7
1
0
9
3 (
22 Sep
)
5
6
22 Aug
1 Oct
Species
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Totals
Maximum
Presence
(%)
Presence
(days)
First
Last
31.
Caspian Tern
0
0
0
0
0
0
1
0
0
0
1
1 (
27 Aug
)
1
1
27 Aug
27 Aug
32.
Common Tern
0
0
0
0
0
2
0
0
0
0
2
2 (
18 Jul
)
1
1
18 Jul
18 Jul
33.
Black-headed Gull
0
0
1
0
2
2
1
0
0
0
6
1 (
13 Apr
)
5
6
13 Apr
11 Aug
34.
Common Gull
0
0
1
0
0
0
0
0
1
0
2
1 (
13 Apr
)
2
2
13 Apr
1 Oct
35.
Herring Gull
0
0
0
0
0
0
0
1
0
0
1
1 (
25 Sep
)
1
1
25 Sep
25 Sep
36.
Bittern
0
0
0
0
1
0
3
4
0
0
8
2 (
28 Aug
)
6
7
13 Jun
30 Sep
37.
Little Bittern
0
0
0
1
0
0
0
0
0
0
1
1 (
31 May
)
1
1
31 May
31 May
38.
Night Heron
0
0
0
0
0
0
1
1
0
0
2
1 (
18 Aug
)
2
2
18 Aug
27 Sep
39.
Grey Heron
0
1
1
2
11
8
27
40
7
4
101
13 (
24 Sep
)
51
57
22 Mar
12 Nov
40.
Tawny Owl
0
0
0
0
2
0
0
0
0
0
2
2 (
26 Jun
)
1
1
26 Jun
26 Jun
41.
Kingfisher
0
0
0
0
0
0
0
0
0
1
1
1 (
10 Nov
)
1
1
10 Nov
10 Nov
42.
Goldcrest
0
0
0
0
0
0
0
0
1
0
1
1 (
6 Oct
)
1
1
6 Oct
6 Oct
43.
Song Thrush
0
14
0
0
0
0
0
475
698
137
1324
259 (
1 Oct
)
23
26
22 Mar
22 Nov
44.
Redwing
0
42
0
0
0
0
0
9
321
248
620
159 (
8 Oct
)
14
16
22 Mar
22 Nov
45.
Blackbird
0
5
0
0
0
0
0
4
4
1
14
5 (
27 Mar
)
5
6
27 Mar
2 Nov
46.
Fieldfare
0
0
0
0
0
0
0
0
0
1
1
1 (
22 Nov
)
1
1
22 Nov
22 Nov
47.
Spotted Flycatcher
0
0
0
1
1
0
0
0
0
0
2
1 (
21 May
)
2
2
21 May
1 Jun
48.
Robin
0
0
0
0
0
0
1
8
3
1
13
3 (
1 Oct
)
9
10
25 Aug
2 Nov
49.
Dunnock
0
0
0
0
0
1
0
2
0
0
3
1 (
10 Jul
)
3
3
10 Jul
30 Sep
50.
Blue-headed Wagtail
0
0
0
0
0
0
0
2
0
0
2
2 (
29 Sep
)
1
1
29 Sep
29 Sep
51.
Meadow Pipit
0
0
0
0
0
0
0
1
0
0
1
1 (
29 Sep
)
1
1
29 Sep
29 Sep
52.
Tree Pipit
0
0
0
0
0
0
7
4
0
0
11
2 (
18 Aug
)
7
8
14 Aug
29 Sep
53.
Ortolan Bunting
0
0
0
0
0
0
2
1
0
0
3
1 (
20 Aug
)
3
3
20 Aug
7 Sep
54.
Reed Bunting
0
0
0
0
0
0
1
0
0
0
1
1 (
11 Aug
)
1
1
11 Aug
11 Aug
Species
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Totals
Maximum
Presence
(%)
Presence
(days)
First
Last
Totals
2
70
24
11
63
114
224
694
1056
425
2683
2683
4420
100
112
Observation hours
9:00
25:54
19:25
32:37
118:59
104:13
190:33
249:26
62:53
59:25
872:25
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