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Totals Westerslag, Texel 2025
Species
Jan
Feb
Mar
Apr
May
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
1.
Dark-bellied Brent Goose
5
48
497
3
7
560
3
557
215 (
20 Mar
)
45
15
4 Jan
1 May
2.
Barnacle Goose
0
35
4
1
0
40
2
38
35 (
6 Feb
)
9
3
6 Feb
19 Apr
3.
Greylag Goose
36
14
262
13
0
325
139
186
51 (
8 Mar
)
55
18
16 Jan
26 Apr
4.
Tundra Bean Goose
0
0
29
0
0
29
0
29
29 (
13 Mar
)
3
1
13 Mar
13 Mar
5.
Egyptian Goose
0
32
165
24
3
224
37
187
36 (
20 Mar
)
58
19
1 Feb
1 May
6.
Shelduck
0
0
2
17
7
26
3
23
9 (
19 Apr
)
18
6
8 Mar
8 May
7.
Shoveler
0
0
60
7
0
67
18
49
33 (
8 Mar
)
21
7
8 Mar
19 Apr
8.
Gadwall
0
0
4
7
5
16
5
11
5 (
1 May
)
15
5
20 Mar
1 May
9.
Wigeon
3
29
46
0
0
78
23
55
17 (
20 Mar
)
33
11
2 Jan
29 Mar
10.
Mallard
0
0
5
0
4
9
6
3
4 (
8 Mar
)
9
3
8 Mar
1 May
11.
Pintail
0
0
255
12
0
267
0
267
255 (
8 Mar
)
6
2
8 Mar
12 Apr
12.
Teal
1
44
727
85
6
863
90
773
223 (
29 Mar
)
61
20
16 Jan
1 May
13.
Tufted Duck
0
0
0
1
0
1
0
1
1 (
19 Apr
)
3
1
19 Apr
19 Apr
14.
Scaup
0
0
14
0
0
14
14
0
14 (
13 Mar
)
3
1
13 Mar
13 Mar
15.
Eider
147
686
1968
428
35
3264
2803
461
440 (
8 Mar
)
100
33
2 Jan
8 May
16.
Surf Scoter
0
0
1
0
0
1
1
0
1 (
27 Mar
)
3
1
27 Mar
27 Mar
17.
Velvet Scoter
2
4
71
29
0
106
98
8
25 (
27 Mar
)
39
13
7 Jan
26 Apr
18.
Common Scoter
876
2199
19996
2192
608
25871
20857
5014
3066 (
29 Mar
)
100
33
2 Jan
8 May
19.
Long-tailed Duck
0
8
2
0
0
10
8
2
2 (
1 Feb
)
18
6
1 Feb
3 Mar
20.
Goldeneye
0
1
0
0
0
1
1
0
1 (
17 Feb
)
3
1
17 Feb
17 Feb
21.
Goosander
0
0
3
0
0
3
1
2
2 (
6 Mar
)
6
2
6 Mar
8 Mar
22.
Red-breasted Merganser
0
5
12
13
0
30
7
23
9 (
19 Apr
)
33
11
8 Feb
26 Apr
23.
Red-necked Grebe
1
1
2
0
0
4
4
0
1 (
11 Jan
)
12
4
11 Jan
3 Mar
24.
Great Crested Grebe
29
141
28
2
1
201
132
69
51 (
4 Feb
)
76
25
2 Jan
1 May
25.
Oystercatcher
19
17
12
7
35
90
55
35
28 (
1 May
)
27
9
16 Jan
8 May
26.
Grey Plover
0
0
2
0
0
2
0
2
2 (
29 Mar
)
3
1
29 Mar
29 Mar
27.
Lapwing
0
0
1
0
0
1
0
1
1 (
10 Mar
)
3
1
10 Mar
10 Mar
28.
Curlew
2
0
2
35
0
39
0
39
31 (
12 Apr
)
15
5
9 Jan
26 Apr
29.
Bar-tailed Godwit
0
0
0
185
13
198
5
193
90 (
26 Apr
)
15
5
12 Apr
1 May
30.
Turnstone
0
23
0
0
19
42
14
28
22 (
8 Feb
)
12
4
6 Feb
8 May
Species
Jan
Feb
Mar
Apr
May
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
31.
Knot
0
1
0
40
0
41
1
40
40 (
24 Apr
)
6
2
4 Feb
24 Apr
32.
Sanderling
66
12
92
220
243
633
126
507
231 (
1 May
)
64
21
2 Jan
8 May
33.
Dunlin
0
11
174
34
0
219
2
217
121 (
22 Mar
)
27
9
6 Feb
19 Apr
34.
Little Tern
0
0
0
13
27
40
14
26
16 (
1 May
)
15
5
19 Apr
8 May
35.
Black Tern
0
0
0
21
2
23
0
23
20 (
19 Apr
)
9
3
19 Apr
8 May
36.
Common/Arctic Tern
0
0
0
1449
975
2424
70
2354
720 (
26 Apr
)
15
5
19 Apr
8 May
37.
Common Tern
0
0
2
3
0
5
0
5
3 (
12 Apr
)
6
2
22 Mar
12 Apr
38.
Sandwich Tern
0
0
92
1945
483
2520
538
1982
1018 (
19 Apr
)
33
11
20 Mar
8 May
39.
Little Gull
7
79
596
62
13
757
164
593
436 (
15 Mar
)
55
18
4 Jan
8 May
40.
Kittiwake
290
0
1
0
0
291
281
10
277 (
7 Jan
)
15
5
4 Jan
28 Mar
41.
Black-headed Gull
40
232
916
13
6
1207
1012
195
488 (
3 Mar
)
94
31
2 Jan
8 May
42.
Common Gull
93
183
281
26
0
583
221
362
78 (
6 Feb
)
73
24
4 Jan
19 Apr
43.
Caspian Gull
0
0
2
0
0
2
2
0
1 (
28 Mar
)
6
2
28 Mar
29 Mar
44.
Herring Gull
1596
2207
1844
63
0
5710
3240
2470
695 (
6 Feb
)
79
26
2 Jan
19 Apr
45.
Great Black-backed Gull
67
47
2
5
2
123
76
47
40 (
16 Jan
)
45
15
2 Jan
1 May
46.
Lesser Black-backed Gull
0
118
854
139
0
1111
409
702
262 (
10 Mar
)
61
20
1 Feb
19 Apr
47.
Arctic Skua
0
0
0
1
1
2
1
1
1 (
24 Apr
)
6
2
24 Apr
8 May
48.
Great Skua
1
0
0
0
0
1
1
0
1 (
7 Jan
)
3
1
7 Jan
7 Jan
49.
Razorbill
1
1
0
0
0
2
1
1
1 (
7 Jan
)
6
2
7 Jan
4 Feb
50.
Razorbill/Guillemot
35
3
55
0
0
93
65
28
30 (
29 Mar
)
36
12
7 Jan
29 Mar
51.
Guillemot
1
0
0
0
0
1
1
0
1 (
7 Jan
)
3
1
7 Jan
7 Jan
52.
Red-throated Diver
1825
332
333
28
7
2525
1829
696
775 (
2 Jan
)
94
31
2 Jan
8 May
53.
Black-throated Diver
3
3
1
0
0
7
1
6
2 (
9 Jan
)
18
6
9 Jan
28 Mar
54.
Fulmar
1
0
0
0
0
1
1
0
1 (
10 Jan
)
3
1
10 Jan
10 Jan
55.
Gannet
559
190
652
27
17
1445
767
678
214 (
11 Jan
)
100
33
2 Jan
8 May
56.
Cormorant
308
275
1094
412
829
2918
1448
1470
587 (
8 May
)
100
33
2 Jan
8 May
57.
Jackdaw
0
0
8
0
0
8
0
8
8 (
22 Mar
)
3
1
22 Mar
22 Mar
58.
Carrion Crow
0
0
1
0
0
1
0
1
1 (
22 Mar
)
3
1
22 Mar
22 Mar
59.
Skylark
0
0
1
0
0
1
0
1
1 (
22 Mar
)
3
1
22 Mar
22 Mar
60.
Sand Martin
0
0
0
3
1
4
0
4
3 (
26 Apr
)
6
2
26 Apr
8 May
Species
Jan
Feb
Mar
Apr
May
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
61.
Swallow
0
0
0
0
4
4
0
4
4 (
8 May
)
3
1
8 May
8 May
62.
Starling
0
0
27
0
0
27
0
27
17 (
15 Mar
)
6
2
15 Mar
20 Mar
63.
Wheatear
0
0
1
0
0
1
0
1
1 (
29 Mar
)
3
1
29 Mar
29 Mar
Other species
Species
Jan
Feb
Mar
Apr
May
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
1.
Harbour Porpoise
2
5
5
0
0
12
6
6
3 (
27 Feb
)
18
6
7 Jan
8 Mar
2.
Grey seal
3
0
1
0
0
4
2
2
2 (
16 Jan
)
9
3
9 Jan
8 Mar
3.
Common Seal
0
0
1
0
0
1
1
0
1 (
15 Mar
)
3
1
15 Mar
15 Mar
Species
Jan
Feb
Mar
Apr
May
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
Totals
6019
6986
31206
7565
3353
55129
34606
20523
100
33
Observation hours
13:00
16:00
24:00
8:00
4:00
65:00
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