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Totals Grosnez (Jersey, UK) 2025
Species
Jan
Feb
Totals
W
E
Maximum
Presence
(%)
Presence
(days)
First
Last
1.
Dark-bellied Brent Goose
46
7
53
35
18
20 (
2 Jan
)
30
7
1 Jan
4 Feb
2.
Shelduck
1
0
1
0
1
1 (
13 Jan
)
4
1
13 Jan
13 Jan
3.
Common Scoter
7
4
11
7
4
4 (
17 Jan
)
26
6
2 Jan
4 Feb
4.
Red-breasted Merganser
13
1
14
7
7
2 (
2 Jan
)
39
9
2 Jan
1 Feb
5.
Woodpigeon
12
0
12
0
12
12 (
2 Jan
)
4
1
2 Jan
2 Jan
6.
Black-necked Grebe
1
0
1
1
0
1 (
17 Jan
)
4
1
17 Jan
17 Jan
7.
Oystercatcher
25
0
25
8
17
8 (
22 Jan
)
17
4
12 Jan
30 Jan
8.
Grey Plover
0
2
2
0
2
2 (
1 Feb
)
4
1
1 Feb
1 Feb
9.
Ringed Plover
30
0
30
0
30
30 (
19 Jan
)
4
1
19 Jan
19 Jan
10.
Curlew
129
76
205
77
128
48 (
16 Jan
)
52
12
2 Jan
3 Feb
11.
Turnstone
18
7
25
12
13
7 (
1 Jan
)
26
6
1 Jan
4 Feb
12.
Curlew Sandpiper
0
15
15
0
15
15 (
3 Feb
)
4
1
3 Feb
3 Feb
13.
Sanderling
1
0
1
0
1
1 (
19 Jan
)
4
1
19 Jan
19 Jan
14.
Dunlin
6
0
6
0
6
6 (
19 Jan
)
4
1
19 Jan
19 Jan
15.
Purple Sandpiper
67
33
100
49
51
29 (
4 Feb
)
35
8
2 Jan
4 Feb
16.
Sandwich Tern
1
0
1
1
0
1 (
23 Jan
)
4
1
23 Jan
23 Jan
17.
Little Gull
2
0
2
2
0
2 (
13 Jan
)
4
1
13 Jan
13 Jan
18.
Kittiwake
585
5
590
526
64
122 (
9 Jan
)
91
21
1 Jan
4 Feb
19.
Black-headed Gull
35
1
36
34
2
25 (
27 Jan
)
35
8
2 Jan
1 Feb
20.
Mediterranean Gull
121
13
134
109
25
39 (
25 Jan
)
70
16
2 Jan
4 Feb
21.
Common Gull
32
6
38
29
9
13 (
13 Jan
)
52
12
3 Jan
4 Feb
22.
Caspian Gull
1
0
1
1
0
1 (
25 Jan
)
4
1
25 Jan
25 Jan
23.
Herring Gull
760
154
914
760
154
604 (
25 Jan
)
30
7
23 Jan
4 Feb
24.
Yellow-legged Gull
2
1
3
2
1
2 (
25 Jan
)
9
2
25 Jan
1 Feb
25.
Great Black-backed Gull
601
115
716
523
193
73 (
25 Jan
)
100
23
1 Jan
4 Feb
26.
Lesser Black-backed Gull
20
2
22
16
6
4 (
1 Jan
)
43
10
1 Jan
3 Feb
27.
Great Skua
1
0
1
1
0
1 (
6 Jan
)
4
1
6 Jan
6 Jan
28.
Puffin
2
0
2
0
2
2 (
19 Jan
)
4
1
19 Jan
19 Jan
29.
Razorbill
8269
22
8291
8100
191
2652 (
12 Jan
)
83
19
1 Jan
4 Feb
30.
Razorbill/Guillemot
7
7
14
7
7
7 (
1 Jan
)
13
3
1 Jan
4 Feb
Species
Jan
Feb
Totals
W
E
Maximum
Presence
(%)
Presence
(days)
First
Last
31.
Guillemot
347
10
357
342
15
101 (
25 Jan
)
74
17
1 Jan
3 Feb
32.
Red-throated Diver
27
7
34
17
17
15 (
3 Jan
)
35
8
3 Jan
1 Feb
33.
Black-throated Diver
6
2
8
5
3
2 (
3 Jan
)
26
6
3 Jan
4 Feb
34.
Great Northern Diver
3
2
5
0
5
2 (
2 Jan
)
17
4
2 Jan
4 Feb
35.
diver sp.
1
0
1
0
1
1 (
13 Jan
)
4
1
13 Jan
13 Jan
36.
Fulmar
221
12
233
215
18
58 (
30 Jan
)
91
21
2 Jan
4 Feb
37.
Manx Shearwater
1
0
1
1
0
1 (
16 Jan
)
4
1
16 Jan
16 Jan
38.
Gannet
1719
409
2128
1884
244
676 (
30 Jan
)
100
23
1 Jan
4 Feb
39.
Cormorant
139
20
159
147
12
18 (
16 Jan
)
100
23
1 Jan
4 Feb
40.
Shag
712
176
888
888
0
90 (
1 Feb
)
100
23
1 Jan
4 Feb
41.
Little Egret
6
0
6
0
6
2 (
25 Jan
)
22
5
2 Jan
25 Jan
42.
Grey Heron
3
1
4
1
3
1 (
19 Jan
)
17
4
19 Jan
1 Feb
43.
Marsh Harrier
1
0
1
1
0
1 (
3 Jan
)
4
1
3 Jan
3 Jan
44.
Peregrine
17
4
21
6
15
2 (
2 Jan
)
61
14
1 Jan
4 Feb
45.
Raven
6
0
6
6
0
3 (
23 Jan
)
13
3
3 Jan
23 Jan
Other species
Species
Jan
Feb
Totals
W
E
Maximum
Presence
(%)
Presence
(days)
First
Last
1.
Harbour Porpoise
5
0
5
5
0
2 (
25 Jan
)
17
4
2 Jan
25 Jan
2.
Common Dolphin
82
0
82
55
27
40 (
3 Jan
)
26
6
3 Jan
25 Jan
3.
Bottle-Nosed Dolphin
2
0
2
1
1
1 (
13 Jan
)
9
2
13 Jan
17 Jan
4.
Grey seal
1
0
1
1
0
1 (
27 Jan
)
4
1
27 Jan
27 Jan
Species
Jan
Feb
Totals
W
E
Maximum
Presence
(%)
Presence
(days)
First
Last
Totals
14094
1114
15208
13882
1326
100
23
Observation hours
62:35
9:50
72:25
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