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Totals Afsluitdijk, Zurich 2023
Species
Apr
May
Jun
Jul
Aug
Sep
Oct
Totals
SW
NE
Maximum
Presence
(%)
Presence
(days)
First
Last
1.
Dark-bellied Brent Goose
30
0
0
0
0
0
8
38
8
30
30 (
3 Apr
)
40
2
3 Apr
19 Oct
2.
Barnacle Goose
999
29
0
0
0
0
1
1029
534
495
630 (
3 Apr
)
80
4
3 Apr
19 Oct
3.
Greylag Goose
32
4
0
0
0
0
0
36
0
36
23 (
3 Apr
)
60
3
3 Apr
7 May
4.
Eurasian White-fronted Goose
4
0
0
0
0
0
7
11
7
4
7 (
19 Oct
)
40
2
3 Apr
19 Oct
5.
Mute Swan
0
11
0
0
0
0
0
11
5
6
11 (
7 May
)
20
1
7 May
7 May
6.
Egyptian Goose
0
2
0
0
0
0
12
14
12
2
12 (
19 Oct
)
40
2
7 May
19 Oct
7.
Shelduck
14
11
0
0
0
1
9
35
17
18
11 (
7 May
)
100
5
3 Apr
19 Oct
8.
Shoveler
1
0
0
0
0
21
6
28
27
1
21 (
28 Sep
)
60
3
9 Apr
19 Oct
9.
Gadwall
6
2
0
0
0
1
4
13
4
9
6 (
9 Apr
)
80
4
9 Apr
19 Oct
10.
Wigeon
12
0
0
0
0
0
368
380
378
2
368 (
19 Oct
)
60
3
3 Apr
19 Oct
11.
Mallard
8
2
0
0
0
2
2
14
4
10
8 (
9 Apr
)
80
4
9 Apr
19 Oct
12.
Pintail
0
0
0
0
0
0
1
1
1
0
1 (
19 Oct
)
20
1
19 Oct
19 Oct
13.
Teal
0
0
0
0
0
2
2
4
4
0
2 (
28 Sep
)
40
2
28 Sep
19 Oct
14.
Tufted Duck
1
5
0
0
0
99
9
114
108
6
99 (
28 Sep
)
80
4
9 Apr
19 Oct
15.
Long-tailed Duck
0
0
0
0
0
0
1
1
1
0
1 (
19 Oct
)
20
1
19 Oct
19 Oct
16.
Goosander
0
0
0
0
0
0
1
1
1
0
1 (
19 Oct
)
20
1
19 Oct
19 Oct
17.
Red-breasted Merganser
0
0
0
0
0
0
3
3
3
0
3 (
19 Oct
)
20
1
19 Oct
19 Oct
18.
Swift
0
75
0
0
0
0
0
75
28
47
75 (
7 May
)
20
1
7 May
7 May
19.
Feral Pigeon
5
0
0
0
0
0
0
5
5
0
5 (
9 Apr
)
20
1
9 Apr
9 Apr
20.
Stock Dove
0
3
0
0
0
0
2
5
5
0
3 (
7 May
)
40
2
7 May
19 Oct
21.
Woodpigeon
35
0
0
0
0
0
0
35
0
35
34 (
3 Apr
)
40
2
3 Apr
9 Apr
22.
Great Crested Grebe
2
0
0
0
0
3
8
13
11
2
8 (
19 Oct
)
60
3
9 Apr
19 Oct
23.
Oystercatcher
16
64
0
0
0
0
3
83
3
80
64 (
7 May
)
80
4
3 Apr
19 Oct
24.
Avocet
21
11
0
0
0
0
0
32
5
27
21 (
9 Apr
)
40
2
9 Apr
7 May
25.
Grey Plover
0
10
0
0
0
0
0
10
0
10
10 (
7 May
)
20
1
7 May
7 May
26.
Golden Plover
11
0
0
0
0
6
0
17
6
11
11 (
9 Apr
)
40
2
9 Apr
28 Sep
27.
Ringed Plover
0
3
0
0
0
0
0
3
0
3
3 (
7 May
)
20
1
7 May
7 May
28.
Lapwing
0
1
0
0
0
0
0
1
1
0
1 (
7 May
)
20
1
7 May
7 May
29.
Whimbrel
0
4
0
0
0
0
3
7
3
4
4 (
7 May
)
40
2
7 May
19 Oct
30.
Curlew
24
0
0
0
0
0
4
28
4
24
24 (
9 Apr
)
40
2
9 Apr
19 Oct
Species
Apr
May
Jun
Jul
Aug
Sep
Oct
Totals
SW
NE
Maximum
Presence
(%)
Presence
(days)
First
Last
31.
Bar-tailed Godwit
0
12
0
0
0
1
0
13
1
12
12 (
7 May
)
40
2
7 May
28 Sep
32.
Black-tailed Godwit
427
0
0
0
0
0
0
427
0
427
412 (
9 Apr
)
40
2
3 Apr
9 Apr
33.
Common Sandpiper
0
24
0
0
0
0
0
24
10
14
24 (
7 May
)
20
1
7 May
7 May
34.
Redshank
17
3
0
0
0
0
2
22
11
11
13 (
9 Apr
)
80
4
3 Apr
19 Oct
35.
Greenshank
0
4
0
0
0
1
0
5
1
4
4 (
7 May
)
40
2
7 May
28 Sep
36.
Turnstone
0
20
0
0
0
1
0
21
20
1
20 (
7 May
)
40
2
7 May
28 Sep
37.
Knot
0
25
0
0
0
0
0
25
0
25
25 (
7 May
)
20
1
7 May
7 May
38.
Dunlin
0
0
0
0
0
0
1
1
1
0
1 (
19 Oct
)
20
1
19 Oct
19 Oct
39.
Little Tern
0
1
0
0
0
0
0
1
0
1
1 (
7 May
)
20
1
7 May
7 May
40.
Caspian Tern
0
2
0
0
0
0
0
2
0
2
2 (
7 May
)
20
1
7 May
7 May
41.
Black Tern
0
75
0
0
0
0
0
75
35
40
75 (
7 May
)
20
1
7 May
7 May
42.
Common Tern
0
2
0
0
0
0
0
2
0
2
2 (
7 May
)
20
1
7 May
7 May
43.
Black-headed Gull
610
300
0
0
0
201
194
1305
395
910
460 (
9 Apr
)
100
5
3 Apr
19 Oct
44.
Common Gull
324
1
0
0
0
31
23
379
54
325
317 (
9 Apr
)
100
5
3 Apr
19 Oct
45.
Caspian Gull
2
1
0
0
0
0
1
4
1
3
2 (
3 Apr
)
60
3
3 Apr
19 Oct
46.
Herring Gull
13
2
0
0
0
33
16
64
49
15
33 (
28 Sep
)
100
5
3 Apr
19 Oct
47.
Great Black-backed Gull
4
28
0
0
0
1
12
45
15
30
28 (
7 May
)
100
5
3 Apr
19 Oct
48.
Lesser Black-backed Gull
12
52
0
0
0
1
0
65
6
59
52 (
7 May
)
80
4
3 Apr
28 Sep
49.
Cormorant
10
9
0
0
0
7
24
50
34
16
24 (
19 Oct
)
100
5
3 Apr
19 Oct
50.
Spoonbill
0
1
0
0
0
5
0
6
6
0
5 (
28 Sep
)
40
2
7 May
28 Sep
51.
Grey Heron
1
1
0
0
0
0
7
9
8
1
7 (
19 Oct
)
60
3
9 Apr
19 Oct
52.
Marsh Harrier
6
3
0
0
0
1
0
10
4
6
5 (
3 Apr
)
80
4
3 Apr
28 Sep
53.
Common Buzzard
2
0
0
0
0
5
0
7
5
2
5 (
28 Sep
)
40
2
3 Apr
28 Sep
54.
Kestrel
0
1
0
0
0
1
0
2
1
1
1 (
7 May
)
40
2
7 May
28 Sep
55.
Magpie
1
0
0
0
0
0
0
1
0
1
1 (
3 Apr
)
20
1
3 Apr
3 Apr
56.
Jackdaw
18
2
0
0
0
11
17
48
40
8
17 (
19 Oct
)
100
5
3 Apr
19 Oct
57.
Carrion Crow
2
10
0
0
0
2
1
15
4
11
10 (
7 May
)
80
4
3 Apr
19 Oct
58.
Sand Martin
0
2
0
0
0
0
0
2
1
1
2 (
7 May
)
20
1
7 May
7 May
59.
Swallow
9
176
0
0
0
0
0
185
71
114
176 (
7 May
)
40
2
9 Apr
7 May
60.
House Martin
0
1
0
0
0
0
0
1
0
1
1 (
7 May
)
20
1
7 May
7 May
Species
Apr
May
Jun
Jul
Aug
Sep
Oct
Totals
SW
NE
Maximum
Presence
(%)
Presence
(days)
First
Last
61.
Starling
6
1
0
0
0
0
244
251
248
3
244 (
19 Oct
)
80
4
3 Apr
19 Oct
62.
Song Thrush
0
0
0
0
0
0
6
6
6
0
6 (
19 Oct
)
20
1
19 Oct
19 Oct
63.
Redwing
0
0
0
0
0
0
5
5
5
0
5 (
19 Oct
)
20
1
19 Oct
19 Oct
64.
Wheatear
0
0
0
0
0
1
0
1
1
0
1 (
28 Sep
)
20
1
28 Sep
28 Sep
65.
Blue-headed Wagtail
0
2
0
0
0
0
0
2
0
2
2 (
7 May
)
20
1
7 May
7 May
66.
Grey-headed Wagtail
0
1
0
0
0
0
0
1
0
1
1 (
7 May
)
20
1
7 May
7 May
67.
Yellow wagtail sp.
0
20
0
0
0
0
0
20
1
19
20 (
7 May
)
20
1
7 May
7 May
68.
Grey Wagtail
0
0
0
0
0
0
1
1
1
0
1 (
19 Oct
)
20
1
19 Oct
19 Oct
69.
White Wagtail
2
2
0
0
0
0
1
5
1
4
2 (
7 May
)
80
4
3 Apr
19 Oct
70.
alba wagtail sp.
34
16
0
0
0
1
0
51
5
46
34 (
9 Apr
)
60
3
9 Apr
28 Sep
71.
Meadow Pipit
27
1
0
0
0
2
16
46
19
27
21 (
3 Apr
)
100
5
3 Apr
19 Oct
72.
Rock Pipit/Water Pipit
2
0
0
0
0
0
1
3
1
2
2 (
9 Apr
)
40
2
9 Apr
19 Oct
73.
Linnet
3
4
0
0
0
1
0
8
1
7
4 (
7 May
)
60
3
3 Apr
28 Sep
74.
Siskin
0
0
0
0
0
50
0
50
0
50
50 (
28 Sep
)
20
1
28 Sep
28 Sep
Species
Apr
May
Jun
Jul
Aug
Sep
Oct
Totals
SW
NE
Maximum
Presence
(%)
Presence
(days)
First
Last
Totals
2753
1042
0
0
0
492
1026
5313
2247
3066
100
5
Observation hours
5:00
3:50
0:00
0:00
0:00
1:00
2:07
11:57
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