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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
0
46
28
18
20 (
2 Jan
)
29
6
1 Jan
20 Jan
2.
Shelduck
1
0
1
0
1
1 (
13 Jan
)
5
1
13 Jan
13 Jan
3.
Common Scoter
7
1
8
7
1
4 (
17 Jan
)
19
4
2 Jan
1 Feb
4.
Red-breasted Merganser
13
1
14
7
7
2 (
2 Jan
)
43
9
2 Jan
1 Feb
5.
Woodpigeon
12
0
12
0
12
12 (
2 Jan
)
5
1
2 Jan
2 Jan
6.
Black-necked Grebe
1
0
1
1
0
1 (
17 Jan
)
5
1
17 Jan
17 Jan
7.
Oystercatcher
25
0
25
8
17
8 (
22 Jan
)
19
4
12 Jan
30 Jan
8.
Grey Plover
0
2
2
0
2
2 (
1 Feb
)
5
1
1 Feb
1 Feb
9.
Ringed Plover
30
0
30
0
30
30 (
19 Jan
)
5
1
19 Jan
19 Jan
10.
Curlew
129
43
172
77
95
48 (
16 Jan
)
52
11
2 Jan
1 Feb
11.
Turnstone
18
0
18
12
6
7 (
1 Jan
)
24
5
1 Jan
25 Jan
12.
Sanderling
1
0
1
0
1
1 (
19 Jan
)
5
1
19 Jan
19 Jan
13.
Dunlin
6
0
6
0
6
6 (
19 Jan
)
5
1
19 Jan
19 Jan
14.
Purple Sandpiper
67
4
71
49
22
19 (
30 Jan
)
33
7
2 Jan
1 Feb
15.
Sandwich Tern
1
0
1
1
0
1 (
23 Jan
)
5
1
23 Jan
23 Jan
16.
Little Gull
2
0
2
2
0
2 (
13 Jan
)
5
1
13 Jan
13 Jan
17.
Kittiwake
585
0
585
526
59
122 (
9 Jan
)
90
19
1 Jan
31 Jan
18.
Black-headed Gull
35
1
36
34
2
25 (
27 Jan
)
38
8
2 Jan
1 Feb
19.
Mediterranean Gull
121
12
133
109
24
39 (
25 Jan
)
71
15
2 Jan
1 Feb
20.
Common Gull
32
4
36
29
7
13 (
13 Jan
)
48
10
3 Jan
1 Feb
21.
Caspian Gull
1
0
1
1
0
1 (
25 Jan
)
5
1
25 Jan
25 Jan
22.
Herring Gull
760
120
880
760
120
604 (
25 Jan
)
29
6
23 Jan
1 Feb
23.
Yellow-legged Gull
2
1
3
2
1
2 (
25 Jan
)
10
2
25 Jan
1 Feb
24.
Great Black-backed Gull
601
67
668
523
145
73 (
25 Jan
)
100
21
1 Jan
1 Feb
25.
Lesser Black-backed Gull
20
1
21
16
5
4 (
1 Jan
)
43
9
1 Jan
1 Feb
26.
Great Skua
1
0
1
1
0
1 (
6 Jan
)
5
1
6 Jan
6 Jan
27.
Puffin
2
0
2
0
2
2 (
19 Jan
)
5
1
19 Jan
19 Jan
28.
Razorbill
8269
0
8269
8100
169
2652 (
12 Jan
)
86
18
1 Jan
31 Jan
29.
Razorbill/Guillemot
7
2
9
7
2
7 (
1 Jan
)
10
2
1 Jan
1 Feb
30.
Guillemot
347
5
352
337
15
101 (
25 Jan
)
76
16
1 Jan
1 Feb
Species
Jan
Feb
Totals
W
E
Maximum
Presence
(%)
Presence
(days)
First
Last
31.
Red-throated Diver
27
7
34
17
17
15 (
3 Jan
)
38
8
3 Jan
1 Feb
32.
Black-throated Diver
6
1
7
4
3
2 (
3 Jan
)
24
5
3 Jan
1 Feb
33.
Great Northern Diver
3
0
3
0
3
2 (
2 Jan
)
10
2
2 Jan
22 Jan
34.
diver sp.
1
0
1
0
1
1 (
13 Jan
)
5
1
13 Jan
13 Jan
35.
Fulmar
221
5
226
211
15
58 (
30 Jan
)
90
19
2 Jan
1 Feb
36.
Manx Shearwater
1
0
1
1
0
1 (
16 Jan
)
5
1
16 Jan
16 Jan
37.
Gannet
1719
39
1758
1530
228
676 (
30 Jan
)
100
21
1 Jan
1 Feb
38.
Cormorant
139
12
151
139
12
18 (
16 Jan
)
100
21
1 Jan
1 Feb
39.
Shag
712
90
802
802
0
90 (
1 Feb
)
100
21
1 Jan
1 Feb
40.
Little Egret
6
0
6
0
6
2 (
25 Jan
)
24
5
2 Jan
25 Jan
41.
Grey Heron
3
1
4
1
3
1 (
19 Jan
)
19
4
19 Jan
1 Feb
42.
Marsh Harrier
1
0
1
1
0
1 (
3 Jan
)
5
1
3 Jan
3 Jan
43.
Peregrine
17
2
19
6
13
2 (
2 Jan
)
62
13
1 Jan
1 Feb
44.
Raven
6
0
6
6
0
3 (
23 Jan
)
14
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
)
19
4
2 Jan
25 Jan
2.
Common Dolphin
82
0
82
55
27
40 (
3 Jan
)
29
6
3 Jan
25 Jan
3.
Bottle-Nosed Dolphin
2
0
2
1
1
1 (
13 Jan
)
10
2
13 Jan
17 Jan
4.
Grey seal
1
0
1
1
0
1 (
27 Jan
)
5
1
27 Jan
27 Jan
Species
Jan
Feb
Totals
W
E
Maximum
Presence
(%)
Presence
(days)
First
Last
Totals
14094
421
14515
13417
1098
100
21
Observation hours
62:35
4:25
67:00
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