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Totals Westerslag, Texel 2025
Species
Jan
Feb
Mar
Apr
May
Jun
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
1.
Dark-bellied Brent Goose
5
48
497
3
103
0
656
3
653
215 (
20 Mar
)
42
18
4 Jan
26 May
2.
Canada Goose
0
0
0
0
0
12
12
0
12
12 (
3 Jun
)
2
1
3 Jun
3 Jun
3.
Barnacle Goose
0
35
4
1
0
2
42
4
38
35 (
6 Feb
)
9
4
6 Feb
3 Jun
4.
Greylag Goose
36
14
262
13
52
0
377
143
234
51 (
8 Mar
)
47
20
16 Jan
19 May
5.
Tundra Bean Goose
0
0
29
0
0
0
29
0
29
29 (
13 Mar
)
2
1
13 Mar
13 Mar
6.
Egyptian Goose
0
32
165
24
8
0
229
40
189
36 (
20 Mar
)
49
21
1 Feb
15 May
7.
Shelduck
0
0
2
17
16
3
38
6
32
9 (
19 Apr
)
23
10
8 Mar
2 Jun
8.
Shoveler
0
0
60
7
0
0
67
18
49
33 (
8 Mar
)
16
7
8 Mar
19 Apr
9.
Gadwall
0
0
4
7
5
4
20
9
11
5 (
1 May
)
14
6
20 Mar
3 Jun
10.
Wigeon
3
29
46
0
0
0
78
23
55
17 (
20 Mar
)
26
11
2 Jan
29 Mar
11.
Mallard
0
0
5
0
4
0
9
6
3
4 (
8 Mar
)
7
3
8 Mar
1 May
12.
Pintail
0
0
255
12
0
0
267
0
267
255 (
8 Mar
)
5
2
8 Mar
12 Apr
13.
Teal
1
44
727
85
8
8
873
98
775
223 (
29 Mar
)
51
22
16 Jan
2 Jun
14.
Tufted Duck
0
0
0
1
0
0
1
0
1
1 (
19 Apr
)
2
1
19 Apr
19 Apr
15.
Scaup
0
0
14
0
0
0
14
14
0
14 (
13 Mar
)
2
1
13 Mar
13 Mar
16.
Eider
147
686
1968
428
62
27
3318
2829
489
440 (
8 Mar
)
95
41
2 Jan
3 Jun
17.
Surf Scoter
0
0
1
0
0
0
1
1
0
1 (
27 Mar
)
2
1
27 Mar
27 Mar
18.
Velvet Scoter
2
4
71
29
4
0
110
98
12
25 (
27 Mar
)
35
15
7 Jan
26 May
19.
Common Scoter
876
2199
19996
2192
7517
192
32972
21721
11251
3066 (
29 Mar
)
100
43
2 Jan
5 Jun
20.
Long-tailed Duck
0
8
2
0
0
0
10
8
2
2 (
1 Feb
)
14
6
1 Feb
3 Mar
21.
Goldeneye
0
1
0
0
0
0
1
1
0
1 (
17 Feb
)
2
1
17 Feb
17 Feb
22.
Goosander
0
0
3
0
0
0
3
1
2
2 (
6 Mar
)
5
2
6 Mar
8 Mar
23.
Red-breasted Merganser
0
5
12
13
0
0
30
7
23
9 (
19 Apr
)
26
11
8 Feb
26 Apr
24.
Red-necked Grebe
1
1
2
0
0
0
4
4
0
1 (
11 Jan
)
9
4
11 Jan
3 Mar
25.
Great Crested Grebe
29
141
28
2
16
0
216
134
82
51 (
4 Feb
)
67
29
2 Jan
24 May
26.
Oystercatcher
19
17
12
7
47
15
117
69
48
28 (
1 May
)
35
15
16 Jan
5 Jun
27.
Grey Plover
0
0
2
0
0
0
2
0
2
2 (
29 Mar
)
2
1
29 Mar
29 Mar
28.
Lapwing
0
0
1
0
0
0
1
0
1
1 (
10 Mar
)
2
1
10 Mar
10 Mar
29.
Whimbrel
0
0
0
0
3
0
3
0
3
3 (
10 May
)
2
1
10 May
10 May
30.
Curlew
2
0
2
35
0
0
39
0
39
31 (
12 Apr
)
12
5
9 Jan
26 Apr
Species
Jan
Feb
Mar
Apr
May
Jun
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
31.
Bar-tailed Godwit
0
0
0
185
23
0
208
5
203
90 (
26 Apr
)
19
8
12 Apr
19 May
32.
Turnstone
0
23
0
0
24
0
47
17
30
22 (
8 Feb
)
14
6
6 Feb
19 May
33.
Knot
0
1
0
40
18
0
59
1
58
40 (
24 Apr
)
9
4
4 Feb
19 May
34.
Sanderling
66
12
92
220
496
142
1028
217
811
231 (
1 May
)
70
30
2 Jan
5 Jun
35.
Dunlin
0
11
174
34
22
0
241
2
239
121 (
22 Mar
)
26
11
6 Feb
17 May
36.
Little Tern
0
0
0
13
182
19
214
81
133
50 (
26 May
)
35
15
19 Apr
5 Jun
37.
Black Tern
0
0
0
21
13
3
37
1
36
20 (
19 Apr
)
19
8
19 Apr
2 Jun
38.
Common/Arctic Tern
0
0
0
1449
3080
155
4684
463
4221
720 (
26 Apr
)
28
12
19 Apr
5 Jun
39.
Common Tern
0
0
2
3
432
166
603
436
167
301 (
26 May
)
12
5
22 Mar
2 Jun
40.
Sandwich Tern
0
0
92
1945
5869
2162
10068
3654
6414
1329 (
15 May
)
49
21
20 Mar
5 Jun
41.
Little Gull
7
79
596
62
16
0
760
164
596
436 (
15 Mar
)
49
21
4 Jan
17 May
42.
Kittiwake
290
0
1
0
0
0
291
281
10
277 (
7 Jan
)
12
5
4 Jan
28 Mar
43.
Black-headed Gull
40
232
916
13
24
1
1226
1018
208
488 (
3 Mar
)
84
36
2 Jan
3 Jun
44.
Common Gull
93
183
281
26
16
5
604
226
378
78 (
6 Feb
)
63
27
4 Jan
3 Jun
45.
Caspian Gull
0
0
2
0
0
0
2
2
0
1 (
28 Mar
)
5
2
28 Mar
29 Mar
46.
Herring Gull
1596
2207
1844
63
62
44
5816
3300
2516
695 (
6 Feb
)
70
30
2 Jan
5 Jun
47.
Great Black-backed Gull
67
47
2
5
6
0
127
76
51
40 (
16 Jan
)
40
17
2 Jan
19 May
48.
Lesser Black-backed Gull
0
118
854
139
152
303
1566
698
868
262 (
10 Mar
)
56
24
1 Feb
5 Jun
49.
Arctic Skua
0
0
0
1
4
0
5
1
4
2 (
10 May
)
9
4
24 Apr
17 May
50.
Great Skua
1
0
0
0
0
0
1
1
0
1 (
7 Jan
)
2
1
7 Jan
7 Jan
51.
Razorbill
1
1
0
0
1
0
3
1
2
1 (
7 Jan
)
7
3
7 Jan
22 May
52.
Razorbill/Guillemot
35
3
55
0
4
1
98
66
32
30 (
29 Mar
)
35
15
7 Jan
3 Jun
53.
Guillemot
1
0
0
0
0
0
1
1
0
1 (
7 Jan
)
2
1
7 Jan
7 Jan
54.
Red-throated Diver
1825
332
333
28
16
0
2534
1829
705
775 (
2 Jan
)
86
37
2 Jan
26 May
55.
Black-throated Diver
3
3
1
0
0
0
7
1
6
2 (
9 Jan
)
14
6
9 Jan
28 Mar
56.
Fulmar
1
0
0
0
0
0
1
1
0
1 (
10 Jan
)
2
1
10 Jan
10 Jan
57.
Gannet
559
190
652
27
93
73
1594
829
765
214 (
11 Jan
)
100
43
2 Jan
5 Jun
58.
Cormorant
308
275
1094
412
4176
584
6849
3366
3483
852 (
19 May
)
100
43
2 Jan
5 Jun
59.
Jackdaw
0
0
8
0
0
0
8
0
8
8 (
22 Mar
)
2
1
22 Mar
22 Mar
60.
Rook
0
0
0
0
1
0
1
0
1
1 (
10 May
)
2
1
10 May
10 May
Species
Jan
Feb
Mar
Apr
May
Jun
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
61.
Carrion Crow
0
0
1
0
0
5
6
5
1
5 (
3 Jun
)
5
2
22 Mar
3 Jun
62.
Skylark
0
0
1
0
0
0
1
0
1
1 (
22 Mar
)
2
1
22 Mar
22 Mar
63.
Sand Martin
0
0
0
3
3
0
6
0
6
3 (
26 Apr
)
7
3
26 Apr
10 May
64.
Swallow
0
0
0
0
9
0
9
0
9
4 (
8 May
)
7
3
8 May
26 May
65.
Starling
0
0
27
0
0
0
27
0
27
17 (
15 Mar
)
5
2
15 Mar
20 Mar
66.
Wheatear
0
0
1
0
0
0
1
0
1
1 (
29 Mar
)
2
1
29 Mar
29 Mar
67.
Blue-headed Wagtail
0
0
0
0
0
1
1
1
0
1 (
3 Jun
)
2
1
3 Jun
3 Jun
Other species
Species
Jan
Feb
Mar
Apr
May
Jun
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
1.
Harbour Porpoise
2
5
5
0
1
0
13
6
7
3 (
27 Feb
)
16
7
7 Jan
10 May
2.
Grey seal
3
0
1
0
1
0
5
2
3
2 (
16 Jan
)
9
4
9 Jan
10 May
3.
Common Seal
0
0
1
0
0
0
1
1
0
1 (
15 Mar
)
2
1
15 Mar
15 Mar
Species
Jan
Feb
Mar
Apr
May
Jun
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
Totals
6019
6986
31206
7565
22589
3927
78292
41990
36302
100
43
Observation hours
13:00
16:00
24:00
8:00
18:00
6:00
85:00
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