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Totals Cap Gris-Nez - Migratlane 2025
Species
Mar
Apr
May
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
1.
Dark-bellied Brent Goose
186
69
3
258
0
258
175 (
11 Mar
)
40
10
11 Mar
22 May
2.
Shelduck
13
5
0
18
4
14
11 (
21 Mar
)
12
3
21 Mar
8 Apr
3.
Garganey
0
15
0
15
0
15
10 (
1 Apr
)
12
3
1 Apr
10 Apr
4.
Shoveler
61
155
4
220
0
220
51 (
27 Mar
)
36
9
17 Mar
19 May
5.
Gadwall
1
5
0
6
0
6
3 (
8 Apr
)
12
3
27 Mar
8 Apr
6.
Wigeon
6
3
0
9
0
9
4 (
17 Mar
)
12
3
17 Mar
15 Apr
7.
Pintail
106
34
0
140
0
140
64 (
14 Mar
)
24
6
11 Mar
1 Apr
8.
Teal
2
238
0
240
0
240
224 (
1 Apr
)
20
5
14 Mar
15 Apr
9.
duck sp.
0
3
0
3
0
3
3 (
22 Apr
)
4
1
22 Apr
22 Apr
10.
Pochard
0
4
0
4
0
4
3 (
28 Apr
)
8
2
15 Apr
28 Apr
11.
Eider
0
0
3
3
3
0
3 (
13 May
)
4
1
13 May
13 May
12.
Velvet Scoter
0
7
0
7
0
7
3 (
1 Apr
)
16
4
1 Apr
24 Apr
13.
Common Scoter
657
1689
242
2588
559
2029
420 (
15 Apr
)
92
23
11 Mar
28 May
14.
Red-breasted Merganser
17
53
3
73
14
59
26 (
1 Apr
)
40
10
11 Mar
6 May
15.
Swift
0
0
86
86
35
51
85 (
26 May
)
8
2
9 May
26 May
16.
Woodpigeon
0
54
0
54
0
54
30 (
4 Apr
)
8
2
4 Apr
28 Apr
17.
Red-necked Grebe
0
1
0
1
0
1
1 (
22 Apr
)
4
1
22 Apr
22 Apr
18.
Great Crested Grebe
2
1
3
6
0
6
2 (
17 Mar
)
16
4
17 Mar
26 May
19.
Slavonian Grebe
0
2
0
2
0
2
2 (
1 Apr
)
4
1
1 Apr
1 Apr
20.
grebe sp.
0
0
5
5
0
5
5 (
28 May
)
4
1
28 May
28 May
21.
Oystercatcher
6
38
9
53
32
21
23 (
28 Apr
)
32
8
11 Mar
28 May
22.
Avocet
19
57
0
76
0
76
57 (
4 Apr
)
8
2
11 Mar
4 Apr
23.
Grey Plover
0
24
412
436
0
436
251 (
9 May
)
48
12
1 Apr
22 May
24.
Ringed Plover
0
0
97
97
0
97
52 (
9 May
)
12
3
9 May
22 May
25.
Whimbrel
0
205
105
310
16
294
95 (
28 Apr
)
48
12
1 Apr
19 May
26.
Curlew
13
0
0
13
0
13
13 (
27 Mar
)
4
1
27 Mar
27 Mar
27.
Bar-tailed Godwit
5
1135
26
1166
1
1165
938 (
22 Apr
)
36
9
17 Mar
13 May
28.
Redshank
0
3
9
12
0
12
8 (
9 May
)
16
4
1 Apr
13 May
29.
Turnstone
0
0
12
12
0
12
12 (
9 May
)
4
1
9 May
9 May
30.
Knot
85
33
902
1020
0
1020
522 (
9 May
)
36
9
24 Mar
22 May
Species
Mar
Apr
May
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
31.
Ruff
0
0
5
5
0
5
5 (
9 May
)
4
1
9 May
9 May
32.
wader sp.
2
199
59
260
2
258
140 (
18 Apr
)
32
8
11 Mar
22 May
33.
small wader
0
0
3
3
0
3
3 (
16 May
)
4
1
16 May
16 May
34.
Sanderling
0
28
171
199
5
194
123 (
9 May
)
28
7
15 Apr
26 May
35.
Dunlin
905
241
124
1270
0
1270
670 (
14 Mar
)
48
12
11 Mar
19 May
36.
Calidris sp.
0
0
50
50
0
50
31 (
9 May
)
8
2
9 May
13 May
37.
Little Tern
0
89
78
167
0
167
54 (
8 Apr
)
52
13
8 Apr
22 May
38.
Caspian Tern
0
1
0
1
0
1
1 (
15 Apr
)
4
1
15 Apr
15 Apr
39.
Black Tern
0
53
149
202
0
202
118 (
2 May
)
44
11
8 Apr
19 May
40.
Arctic Tern
0
21
4
25
0
25
12 (
22 Apr
)
24
6
8 Apr
20 May
41.
Common Tern
1
6651
6090
12742
36
12706
4637 (
2 May
)
76
19
21 Mar
28 May
42.
sterna sp.
0
0
1
1
0
1
1 (
13 May
)
4
1
13 May
13 May
43.
Sandwich Tern
168
2147
386
2701
374
2327
507 (
4 Apr
)
92
23
11 Mar
28 May
44.
Little Gull
152
1351
15
1518
0
1518
468 (
4 Apr
)
72
18
11 Mar
9 May
45.
Kittiwake
149
22
453
624
243
381
164 (
26 May
)
56
14
11 Mar
28 May
46.
Black-headed Gull
115
341
193
649
16
633
174 (
4 Apr
)
80
20
11 Mar
26 May
47.
Mediterranean Gull
33
69
31
133
25
108
32 (
28 Apr
)
80
20
11 Mar
28 May
48.
Common Gull
90
112
21
223
0
223
39 (
15 Apr
)
76
19
11 Mar
22 May
49.
Herring Gull
40
40
0
80
28
52
17 (
15 Apr
)
36
9
11 Mar
15 Apr
50.
Great Black-backed Gull
5
1
0
6
0
6
2 (
11 Mar
)
20
5
11 Mar
8 Apr
51.
Lesser Black-backed Gull
314
110
17
441
1
440
148 (
21 Mar
)
72
18
11 Mar
22 May
52.
Laridae sp.
0
0
4
4
0
4
4 (
20 May
)
4
1
20 May
20 May
53.
Arctic Skua
4
23
4
31
0
31
8 (
18 Apr
)
52
13
17 Mar
20 May
54.
Pomarine Skua
0
1
3
4
0
4
2 (
13 May
)
12
3
22 Apr
16 May
55.
Razorbill
2
1
0
3
0
3
1 (
11 Mar
)
12
3
11 Mar
10 Apr
56.
Razorbill/Guillemot
64
20
19
103
12
91
35 (
11 Mar
)
68
17
11 Mar
28 May
57.
alca / fratercula spec
0
0
1
1
0
1
1 (
16 May
)
4
1
16 May
16 May
58.
Guillemot
10
19
28
57
13
44
7 (
1 Apr
)
60
15
11 Mar
28 May
59.
Red-throated Diver
262
164
3
429
11
418
121 (
21 Mar
)
72
18
11 Mar
9 May
60.
Black-throated Diver
2
51
25
78
0
78
19 (
2 May
)
52
13
27 Mar
19 May
Species
Mar
Apr
May
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
61.
diver sp.
0
23
1
24
0
24
14 (
4 Apr
)
20
5
1 Apr
16 May
62.
Fulmar
11
4
12
27
7
20
7 (
14 Mar
)
36
9
14 Mar
28 May
63.
Manx Shearwater
0
0
200
200
190
10
110 (
28 May
)
8
2
26 May
28 May
64.
Gannet
1286
227
628
2141
102
2039
614 (
14 Mar
)
100
25
11 Mar
28 May
65.
Cormorant
6
7
18
31
0
31
10 (
9 May
)
20
5
14 Mar
9 May
66.
Shag
0
1
0
1
0
1
1 (
8 Apr
)
4
1
8 Apr
8 Apr
67.
Kestrel
1
0
0
1
0
1
1 (
24 Mar
)
4
1
24 Mar
24 Mar
68.
Sand Martin
0
75
2
77
0
77
43 (
4 Apr
)
16
4
4 Apr
19 May
69.
Swallow
2
419
91
512
0
512
314 (
24 Apr
)
52
13
24 Mar
22 May
70.
House Martin
0
35
10
45
0
45
35 (
24 Apr
)
12
3
24 Apr
19 May
71.
Song Thrush
2
0
0
2
0
2
2 (
21 Mar
)
4
1
21 Mar
21 Mar
72.
Redwing
1
0
0
1
0
1
1 (
21 Mar
)
4
1
21 Mar
21 Mar
73.
Blue-headed Wagtail
0
0
1
1
0
1
1 (
22 May
)
4
1
22 May
22 May
74.
Meadow Pipit
0
10
0
10
0
10
6 (
8 Apr
)
12
3
1 Apr
8 Apr
75.
Linnet
11
6
0
17
0
17
11 (
14 Mar
)
8
2
14 Mar
4 Apr
76.
Goldfinch
0
32
0
32
0
32
19 (
24 Apr
)
8
2
1 Apr
24 Apr
Species
Mar
Apr
May
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
Totals
4817
16427
10821
32065
1729
30336
100
25
Observation hours
20:05
35:21
46:07
101:33
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