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Totals Katwijk - Savoy (zeetrek) 2024
Species
Jan
Feb
Mar
Apr
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
1.
Dark-bellied Brent Goose
0
0
17
43
60
24
36
17 (
21 Mar
)
44
7
21 Mar
25 Apr
2.
Canada Goose
0
0
2
3
5
0
5
3 (
23 Apr
)
13
2
13 Mar
23 Apr
3.
Barnacle Goose
40
0
0
225
265
0
265
142 (
25 Apr
)
31
5
27 Jan
25 Apr
4.
Greylag Goose
8
4
6
4
22
14
8
6 (
6 Jan
)
44
7
6 Jan
23 Apr
5.
goose sp.
0
0
5
8
13
0
13
8 (
10 Apr
)
13
2
13 Mar
10 Apr
6.
Egyptian Goose
3
4
0
15
22
6
16
8 (
10 Apr
)
31
5
28 Jan
23 Apr
7.
Shelduck
0
1
6
24
31
3
28
8 (
21 Apr
)
44
7
12 Feb
25 Apr
8.
Garganey
0
0
0
5
5
2
3
3 (
21 Apr
)
13
2
21 Apr
25 Apr
9.
Shoveler
0
0
0
22
22
6
16
16 (
10 Apr
)
19
3
10 Apr
25 Apr
10.
Gadwall
0
0
0
4
4
2
2
2 (
15 Apr
)
13
2
15 Apr
25 Apr
11.
Wigeon
72
0
5
22
99
17
82
60 (
6 Jan
)
38
6
2 Jan
10 Apr
12.
Pintail
0
0
36
4
40
4
36
34 (
13 Mar
)
19
3
13 Mar
23 Apr
13.
Teal
5
5
41
67
118
25
93
46 (
21 Apr
)
63
10
27 Jan
25 Apr
14.
duck sp.
2
0
2
2
6
2
4
2 (
28 Jan
)
19
3
28 Jan
24 Apr
15.
Scaup
1
0
0
0
1
1
0
1 (
2 Jan
)
6
1
2 Jan
2 Jan
16.
Eider
0
3
15
36
54
27
27
11 (
23 Apr
)
63
10
12 Feb
25 Apr
17.
Velvet Scoter
3
5
6
2
16
10
6
5 (
12 Feb
)
38
6
2 Jan
10 Apr
18.
Common Scoter
591
111
128
1933
2763
1903
860
561 (
23 Apr
)
100
16
2 Jan
25 Apr
19.
Red-breasted Merganser
6
3
2
32
43
25
18
17 (
10 Apr
)
50
8
2 Jan
23 Apr
20.
Great Crested Grebe
40
20
13
7
80
58
22
20 (
12 Feb
)
63
10
2 Jan
18 Apr
21.
Oystercatcher
0
0
7
20
27
14
13
11 (
23 Apr
)
38
6
21 Mar
23 Apr
22.
Lapwing
0
0
0
1
1
1
0
1 (
25 Apr
)
6
1
25 Apr
25 Apr
23.
Grey Plover
0
0
0
15
15
2
13
12 (
20 Apr
)
19
3
10 Apr
21 Apr
24.
Ringed Plover
0
0
2
0
2
0
2
2 (
21 Mar
)
6
1
21 Mar
21 Mar
25.
Whimbrel
0
0
0
59
59
0
59
20 (
23 Apr
)
25
4
21 Apr
25 Apr
26.
Curlew
0
0
0
47
47
0
47
40 (
20 Apr
)
13
2
20 Apr
25 Apr
27.
Bar-tailed Godwit
0
0
0
2132
2132
0
2132
1582 (
20 Apr
)
44
7
18 Apr
25 Apr
28.
Turnstone
1
0
2
1
4
1
3
2 (
21 Mar
)
19
3
2 Jan
21 Apr
29.
Knot
0
0
0
26
26
0
26
26 (
15 Apr
)
6
1
15 Apr
15 Apr
30.
wader sp.
0
0
0
32
32
0
32
22 (
22 Apr
)
19
3
22 Apr
25 Apr
Species
Jan
Feb
Mar
Apr
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
31.
Sanderling
0
0
0
6
6
0
6
5 (
25 Apr
)
13
2
23 Apr
25 Apr
32.
Dunlin
0
0
16
0
16
0
16
13 (
21 Mar
)
13
2
13 Mar
21 Mar
33.
Calidris sp.
0
0
0
1
1
0
1
1 (
20 Apr
)
6
1
20 Apr
20 Apr
34.
Redshank
0
0
0
1
1
0
1
1 (
23 Apr
)
6
1
23 Apr
23 Apr
35.
Greenshank
0
0
0
1
1
0
1
1 (
21 Apr
)
6
1
21 Apr
21 Apr
36.
Kittiwake
536
0
0
0
536
535
1
530 (
27 Jan
)
13
2
2 Jan
27 Jan
37.
Black-headed Gull
0
0
0
64
64
0
64
45 (
23 Apr
)
13
2
18 Apr
23 Apr
38.
Little Gull
0
0
4
84
88
4
84
35 (
20 Apr
)
50
8
13 Mar
24 Apr
39.
Mediterranean Gull
0
0
1
3
4
1
3
2 (
23 Apr
)
19
3
13 Mar
23 Apr
40.
Common Gull
16
63
9
82
170
80
90
63 (
12 Feb
)
31
5
2 Jan
25 Apr
41.
Great Black-backed Gull
17
0
2
3
22
18
4
14 (
2 Jan
)
44
7
2 Jan
23 Apr
42.
Caspian Gull
1
0
0
0
1
1
0
1 (
2 Jan
)
6
1
2 Jan
2 Jan
43.
Lesser Black-backed Gull
0
0
12
95
107
53
54
50 (
23 Apr
)
25
4
13 Mar
25 Apr
44.
Sandwich Tern
0
0
2
73
75
4
71
33 (
25 Apr
)
44
7
21 Mar
25 Apr
45.
Little Tern
0
0
0
68
68
0
68
68 (
23 Apr
)
6
1
23 Apr
23 Apr
46.
Common Tern
0
0
0
452
452
78
374
200 (
22 Apr
)
50
8
10 Apr
25 Apr
47.
Arctic Tern
0
0
0
49
49
0
49
37 (
23 Apr
)
19
3
20 Apr
23 Apr
48.
Common/Arctic Tern
0
0
0
746
746
0
746
500 (
23 Apr
)
38
6
20 Apr
25 Apr
49.
Black Tern
0
0
0
5
5
0
5
4 (
22 Apr
)
13
2
22 Apr
23 Apr
50.
Arctic Skua
0
0
0
2
2
0
2
2 (
10 Apr
)
6
1
10 Apr
10 Apr
51.
Guillemot
7
44
0
0
51
51
0
44 (
12 Feb
)
25
4
2 Jan
12 Feb
52.
Razorbill
1
0
0
0
1
0
1
1 (
6 Jan
)
6
1
6 Jan
6 Jan
53.
Razorbill/Guillemot
154
52
0
0
206
202
4
122 (
27 Jan
)
31
5
2 Jan
12 Feb
54.
Red-throated Diver
456
103
9
4
572
502
70
206 (
6 Jan
)
69
11
2 Jan
25 Apr
55.
Black-throated Diver
0
1
0
1
2
0
2
1 (
12 Feb
)
13
2
12 Feb
23 Apr
56.
diver sp.
1
0
0
9
10
0
10
7 (
10 Apr
)
19
3
2 Jan
25 Apr
57.
Fulmar
0
0
0
1
1
1
0
1 (
20 Apr
)
6
1
20 Apr
20 Apr
58.
Gannet
9
1
1
1
12
9
3
6 (
2 Jan
)
31
5
2 Jan
15 Apr
59.
Cormorant
290
0
64
624
978
102
876
370 (
23 Apr
)
56
9
2 Jan
25 Apr
60.
Spoonbill
0
0
0
1
1
0
1
1 (
25 Apr
)
6
1
25 Apr
25 Apr
Species
Jan
Feb
Mar
Apr
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
61.
Marsh Harrier
0
0
0
1
1
0
1
1 (
23 Apr
)
6
1
23 Apr
23 Apr
62.
Kestrel
0
0
0
1
1
1
0
1 (
10 Apr
)
6
1
10 Apr
10 Apr
63.
Skylark
1
0
0
0
1
1
0
1 (
28 Jan
)
6
1
28 Jan
28 Jan
64.
Swallow
0
0
0
3
3
1
2
2 (
18 Apr
)
13
2
18 Apr
23 Apr
65.
Starling
0
0
80
10
90
0
90
80 (
13 Mar
)
19
3
13 Mar
18 Apr
66.
Blue-headed Wagtail
0
0
0
2
2
0
2
1 (
10 Apr
)
13
2
10 Apr
15 Apr
67.
Yellow wagtail sp.
0
0
0
2
2
0
2
2 (
18 Apr
)
6
1
18 Apr
18 Apr
68.
White Wagtail
0
0
0
1
1
1
0
1 (
18 Apr
)
6
1
18 Apr
18 Apr
69.
alba wagtail sp.
0
0
1
1
2
0
2
1 (
21 Mar
)
13
2
21 Mar
22 Apr
70.
Pied Wagtail
0
0
0
1
1
0
1
1 (
21 Apr
)
6
1
21 Apr
21 Apr
71.
Meadow Pipit
0
2
0
0
2
0
2
2 (
12 Feb
)
6
1
12 Feb
12 Feb
72.
Linnet
0
0
0
4
4
0
4
3 (
18 Apr
)
13
2
10 Apr
18 Apr
73.
Siskin
1
0
0
0
1
1
0
1 (
27 Jan
)
6
1
27 Jan
27 Jan
Other species
Species
Jan
Feb
Mar
Apr
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
1.
Harbour Porpoise
0
1
2
0
3
3
0
2 (
13 Mar
)
13
2
12 Feb
13 Mar
Species
Jan
Feb
Mar
Apr
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
Totals
2262
423
498
7193
10376
3796
6580
100
16
Observation hours
5:05
1:20
3:10
16:15
25:50
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