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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
Pictures & Documents
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Documents
Map
Contacts
Abcoude A2 (nacht)
Totals 2021 -
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
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Totals
Maximum
Presence
(%)
Presence
(days)
First
Last
1.
Canada Goose
0
3
6
0
0
0
5
6
3
0
23
6 (
28 May
)
6
6
2 Apr
16 Nov
2.
Barnacle Goose
0
295
0
0
0
0
0
0
0
0
295
215 (
2 Apr
)
2
2
2 Apr
21 Apr
3.
Greylag Goose
0
0
0
0
4
12
7
8
1
0
32
6 (
25 Aug
)
14
15
2 Apr
16 Nov
4.
Eurasian White-fronted Goose
0
0
0
0
0
0
6
20
1
1
28
10 (
29 Oct
)
6
7
27 Sep
23 Dec
5.
Mute Swan
0
0
0
0
1
0
0
3
0
0
4
3 (
7 Oct
)
2
2
13 Jul
7 Oct
6.
Egyptian Goose
0
0
0
0
2
0
0
0
0
0
2
2 (
22 Jul
)
1
1
22 Jul
22 Jul
7.
Gadwall
0
1
0
0
0
4
19
12
0
0
36
4 (
1 Sep
)
13
14
2 Apr
24 Oct
8.
Wigeon
1
0
0
0
0
1
2
14
11
5
34
11 (
16 Nov
)
9
10
25 Mar
23 Dec
9.
Mallard
3
1
0
0
3
4
2
0
3
0
16
3 (
16 Nov
)
11
12
25 Mar
16 Nov
10.
Teal
1
5
0
0
0
0
0
0
0
0
6
3 (
19 Apr
)
3
3
24 Mar
20 Apr
11.
Pheasant
1
0
0
0
0
0
0
0
0
0
1
1 (
25 Mar
)
1
1
25 Mar
25 Mar
12.
Quail
0
0
1
0
1
0
0
0
0
0
2
1 (
18 May
)
2
2
18 May
9 Jul
13.
Water Rail
0
1
0
2
10
3
0
2
0
0
18
3 (
10 Jul
)
12
13
22 Apr
9 Oct
14.
Spotted Crake
1
0
0
0
0
0
0
0
0
0
1
1 (
31 Mar
)
1
1
31 Mar
31 Mar
15.
Moorhen
3
5
1
2
13
0
2
1
0
0
27
7 (
12 Jul
)
16
17
25 Mar
9 Oct
16.
Coot
2
2
1
0
5
0
3
1
0
0
14
1 (
25 Mar
)
13
14
25 Mar
10 Oct
17.
Little Grebe
0
0
0
0
0
1
0
0
0
0
1
1 (
26 Aug
)
1
1
26 Aug
26 Aug
18.
Oystercatcher
2
0
0
0
1
2
0
0
0
0
5
1 (
25 Mar
)
5
5
25 Mar
31 Aug
19.
Avocet
0
0
1
0
1
9
0
0
0
0
11
4 (
20 Aug
)
5
5
28 May
20 Aug
20.
Golden Plover
1
0
0
0
0
3
12
2
0
0
18
3 (
3 Sep
)
10
11
31 Mar
8 Oct
21.
Ringed Plover
0
0
0
0
0
5
6
0
0
0
11
5 (
21 Aug
)
3
3
21 Aug
14 Sep
22.
Little Ringed Plover
3
3
0
1
3
1
2
0
0
0
13
2 (
31 Mar
)
10
11
24 Mar
14 Sep
23.
Lapwing
1
0
0
0
1
1
0
0
0
0
3
1 (
25 Mar
)
3
3
25 Mar
21 Aug
24.
Whimbrel
0
1
0
0
1
7
0
0
0
0
9
3 (
21 Aug
)
6
7
21 Apr
26 Aug
25.
Curlew
0
10
0
1
2
5
0
0
1
0
19
9 (
19 Apr
)
9
10
19 Apr
16 Nov
26.
Black-tailed Godwit
1
3
1
0
0
0
0
0
0
0
5
1 (
25 Mar
)
5
5
25 Mar
18 May
27.
Snipe
1
6
0
0
0
4
4
6
3
2
26
6 (
3 Apr
)
13
14
25 Mar
23 Dec
28.
Common Sandpiper
0
0
0
0
32
58
13
1
0
0
104
12 (
4 Aug
)
35
38
11 Jul
7 Oct
29.
Green Sandpiper
0
0
0
0
12
9
4
0
0
0
25
3 (
21 Jul
)
18
20
1 Jul
26 Sep
30.
Wood Sandpiper
0
0
0
0
0
1
0
0
0
0
1
1 (
7 Aug
)
1
1
7 Aug
7 Aug
Species
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Totals
Maximum
Presence
(%)
Presence
(days)
First
Last
31.
Redshank
2
0
1
0
5
3
0
0
0
0
11
2 (
25 Jul
)
8
9
25 Mar
21 Aug
32.
Curlew Sandpiper
0
0
0
0
0
0
2
0
0
0
2
1 (
14 Sep
)
2
2
14 Sep
17 Sep
33.
Dunlin
1
0
0
0
0
1
1
1
1
0
5
1 (
25 Mar
)
5
5
25 Mar
16 Nov
34.
Common Tern
0
0
0
0
2
0
0
0
0
0
2
2 (
5 Jul
)
1
1
5 Jul
5 Jul
35.
Black-headed Gull
2
0
0
1
8
2
0
1
0
0
14
4 (
10 Jul
)
9
10
24 Mar
10 Oct
36.
Mediterranean Gull
0
0
0
0
1
0
0
0
0
0
1
1 (
4 Jul
)
1
1
4 Jul
4 Jul
37.
Common Gull
4
0
0
0
0
0
0
0
0
0
4
2 (
31 Mar
)
3
3
24 Mar
31 Mar
38.
Herring Gull
0
0
0
0
1
0
0
0
0
0
1
1 (
23 Jul
)
1
1
23 Jul
23 Jul
39.
Lesser Black-backed Gull
0
0
0
0
0
1
0
0
0
0
1
1 (
24 Aug
)
1
1
24 Aug
24 Aug
40.
Laridae sp.
0
0
0
0
0
1
0
0
0
0
1
1 (
24 Aug
)
1
1
24 Aug
24 Aug
41.
Bittern
0
1
0
0
0
0
0
2
0
0
3
2 (
8 Oct
)
2
2
2 Apr
8 Oct
42.
Little Bittern
0
0
0
0
1
0
0
0
0
0
1
1 (
10 Jul
)
1
1
10 Jul
10 Jul
43.
Night Heron
0
0
0
0
1
0
0
0
0
0
1
1 (
16 Jul
)
1
1
16 Jul
16 Jul
44.
Grey Heron
2
4
0
0
7
6
4
5
1
0
29
5 (
9 Oct
)
20
22
25 Mar
16 Nov
45.
Purple Heron
0
0
0
0
1
0
0
0
0
0
1
1 (
10 Jul
)
1
1
10 Jul
10 Jul
46.
Barn Owl
0
0
0
0
1
5
7
2
1
0
16
3 (
6 Sep
)
10
11
1 Jul
16 Nov
47.
Little Owl
0
0
0
0
0
0
1
0
0
0
1
1 (
10 Sep
)
1
1
10 Sep
10 Sep
48.
Long-eared Owl
0
0
0
0
1
1
0
0
0
0
2
1 (
1 Jul
)
2
2
1 Jul
11 Aug
49.
Carrion Crow
0
1
0
0
0
0
1
0
0
0
2
1 (
2 Apr
)
2
2
2 Apr
13 Sep
50.
Skylark
0
0
0
0
0
0
0
4
0
0
4
4 (
9 Oct
)
1
1
9 Oct
9 Oct
51.
Swallow
0
0
0
0
1
0
0
0
0
0
1
1 (
12 Jul
)
1
1
12 Jul
12 Jul
52.
Goldcrest
0
0
0
0
0
0
0
1
0
0
1
1 (
9 Oct
)
1
1
9 Oct
9 Oct
53.
Song Thrush
4
10
0
0
0
0
28
0
2
0
44
6 (
18 Sep
)
30
33
24 Mar
16 Nov
54.
Redwing
3
12
0
0
0
0
0
0
2
1
18
9 (
1 Apr
)
17
19
24 Mar
23 Dec
55.
Blackbird
2
0
0
0
0
1
0
53
2
0
58
23 (
9 Oct
)
13
14
24 Mar
16 Nov
56.
Fieldfare
0
2
0
0
0
0
0
0
0
0
2
2 (
20 Apr
)
1
1
20 Apr
20 Apr
57.
thrush sp.
0
0
0
0
0
0
0
3
0
0
3
3 (
9 Oct
)
1
1
9 Oct
9 Oct
58.
Robin
0
2
0
0
0
2
8
29
0
0
41
9 (
9 Oct
)
16
17
1 Apr
29 Oct
59.
Pied Flycatcher
0
0
0
0
0
1
0
0
0
0
1
1 (
5 Aug
)
1
1
5 Aug
5 Aug
60.
Black Redstart
1
0
0
0
0
0
0
0
0
0
1
1 (
25 Mar
)
1
1
25 Mar
25 Mar
Species
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Totals
Maximum
Presence
(%)
Presence
(days)
First
Last
61.
Dunnock
0
0
0
0
0
1
2
1
0
0
4
1 (
21 Aug
)
4
4
21 Aug
10 Oct
62.
Tree Pipit
0
0
0
0
0
3
4
0
0
0
7
1 (
25 Aug
)
6
7
25 Aug
26 Sep
63.
Water Pipit
1
0
0
0
0
0
0
0
0
0
1
1 (
25 Mar
)
1
1
25 Mar
25 Mar
64.
Chaffinch
0
0
0
0
0
0
0
2
0
0
2
1 (
9 Oct
)
2
2
9 Oct
10 Oct
65.
Brambling
0
0
0
0
0
0
0
0
1
0
1
1 (
11 Nov
)
1
1
11 Nov
11 Nov
66.
Hawfinch
1
0
0
0
0
0
0
0
0
0
1
1 (
24 Mar
)
1
1
24 Mar
24 Mar
67.
Ortolan Bunting
0
0
0
0
0
1
1
0
0
0
2
1 (
25 Aug
)
2
2
25 Aug
15 Sep
68.
Species unidentified
0
0
0
0
1
4
6
4
0
0
15
3 (
9 Oct
)
11
12
1 Jul
14 Oct
Species
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Totals
Maximum
Presence
(%)
Presence
(days)
First
Last
Totals
44
368
12
7
123
163
152
184
33
9
1095
1095
11899
100
109
Observation hours
27:30
62:34
19:21
11:40
177:58
187:08
186:19
84:30
18:00
4:00
779:00
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