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Totals Cap Gris-Nez - Migratlane 2025
Species
Mar
Apr
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
1.
Dark-bellied Brent Goose
186
68
254
0
254
175 (
11 Mar
)
50
7
11 Mar
24 Apr
2.
Shelduck
13
5
18
4
14
11 (
21 Mar
)
21
3
21 Mar
8 Apr
3.
Garganey
0
15
15
0
15
10 (
1 Apr
)
21
3
1 Apr
10 Apr
4.
Shoveler
61
151
212
0
212
51 (
27 Mar
)
50
7
17 Mar
10 Apr
5.
Gadwall
1
5
6
0
6
3 (
8 Apr
)
21
3
27 Mar
8 Apr
6.
Wigeon
6
3
9
0
9
4 (
17 Mar
)
21
3
17 Mar
15 Apr
7.
Pintail
106
34
140
0
140
64 (
14 Mar
)
43
6
11 Mar
1 Apr
8.
Teal
2
238
240
0
240
224 (
1 Apr
)
36
5
14 Mar
15 Apr
9.
duck sp.
0
3
3
0
3
3 (
22 Apr
)
7
1
22 Apr
22 Apr
10.
Pochard
0
1
1
0
1
1 (
15 Apr
)
7
1
15 Apr
15 Apr
11.
Velvet Scoter
0
7
7
0
7
3 (
1 Apr
)
29
4
1 Apr
24 Apr
12.
Common Scoter
657
1480
2137
427
1710
420 (
15 Apr
)
100
14
11 Mar
24 Apr
13.
Red-breasted Merganser
17
53
70
14
56
26 (
1 Apr
)
64
9
11 Mar
18 Apr
14.
Woodpigeon
0
30
30
0
30
30 (
4 Apr
)
7
1
4 Apr
4 Apr
15.
Red-necked Grebe
0
1
1
0
1
1 (
22 Apr
)
7
1
22 Apr
22 Apr
16.
Great Crested Grebe
2
1
3
0
3
2 (
17 Mar
)
14
2
17 Mar
8 Apr
17.
Slavonian Grebe
0
2
2
0
2
2 (
1 Apr
)
7
1
1 Apr
1 Apr
18.
Oystercatcher
6
15
21
14
7
11 (
15 Apr
)
36
5
11 Mar
18 Apr
19.
Avocet
19
57
76
0
76
57 (
4 Apr
)
14
2
11 Mar
4 Apr
20.
Grey Plover
0
17
17
0
17
8 (
10 Apr
)
29
4
1 Apr
24 Apr
21.
Whimbrel
0
110
110
16
94
32 (
8 Apr
)
50
7
1 Apr
24 Apr
22.
Curlew
13
0
13
0
13
13 (
27 Mar
)
7
1
27 Mar
27 Mar
23.
Bar-tailed Godwit
5
1112
1117
1
1116
938 (
22 Apr
)
36
5
17 Mar
24 Apr
24.
Redshank
0
2
2
0
2
2 (
1 Apr
)
7
1
1 Apr
1 Apr
25.
Knot
85
0
85
0
85
85 (
24 Mar
)
7
1
24 Mar
24 Mar
26.
wader sp.
2
199
201
2
199
140 (
18 Apr
)
29
4
11 Mar
24 Apr
27.
Sanderling
0
28
28
0
28
15 (
18 Apr
)
14
2
15 Apr
18 Apr
28.
Dunlin
905
241
1146
0
1146
670 (
14 Mar
)
71
10
11 Mar
22 Apr
29.
Little Tern
0
73
73
0
73
54 (
8 Apr
)
36
5
8 Apr
24 Apr
30.
Caspian Tern
0
1
1
0
1
1 (
15 Apr
)
7
1
15 Apr
15 Apr
Species
Mar
Apr
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
31.
Black Tern
0
48
48
0
48
38 (
15 Apr
)
36
5
8 Apr
24 Apr
32.
Arctic Tern
0
15
15
0
15
12 (
22 Apr
)
21
3
8 Apr
22 Apr
33.
Common Tern
1
4723
4724
0
4724
2125 (
22 Apr
)
57
8
21 Mar
24 Apr
34.
Sandwich Tern
168
1986
2154
324
1830
507 (
4 Apr
)
93
13
11 Mar
22 Apr
35.
Little Gull
152
1273
1425
0
1425
468 (
4 Apr
)
100
14
11 Mar
24 Apr
36.
Kittiwake
149
22
171
76
95
77 (
21 Mar
)
57
8
11 Mar
18 Apr
37.
Black-headed Gull
115
238
353
13
340
174 (
4 Apr
)
71
10
11 Mar
18 Apr
38.
Mediterranean Gull
33
37
70
3
67
10 (
15 Apr
)
93
13
11 Mar
24 Apr
39.
Common Gull
90
111
201
0
201
39 (
15 Apr
)
86
12
11 Mar
24 Apr
40.
Herring Gull
40
40
80
28
52
17 (
15 Apr
)
64
9
11 Mar
15 Apr
41.
Great Black-backed Gull
5
1
6
0
6
2 (
11 Mar
)
36
5
11 Mar
8 Apr
42.
Lesser Black-backed Gull
314
110
424
1
423
148 (
21 Mar
)
93
13
11 Mar
24 Apr
43.
Arctic Skua
4
23
27
0
27
8 (
18 Apr
)
71
10
17 Mar
22 Apr
44.
Pomarine Skua
0
1
1
0
1
1 (
22 Apr
)
7
1
22 Apr
22 Apr
45.
Razorbill
2
1
3
0
3
1 (
11 Mar
)
21
3
11 Mar
10 Apr
46.
Razorbill/Guillemot
64
18
82
4
78
35 (
11 Mar
)
71
10
11 Mar
18 Apr
47.
Guillemot
10
19
29
6
23
7 (
1 Apr
)
50
7
11 Mar
24 Apr
48.
Red-throated Diver
262
162
424
10
414
121 (
21 Mar
)
100
14
11 Mar
24 Apr
49.
Black-throated Diver
2
48
50
0
50
14 (
22 Apr
)
64
9
27 Mar
24 Apr
50.
diver sp.
0
23
23
0
23
14 (
4 Apr
)
29
4
1 Apr
22 Apr
51.
Fulmar
11
4
15
1
14
7 (
14 Mar
)
36
5
14 Mar
24 Apr
52.
Gannet
1286
216
1502
13
1489
614 (
14 Mar
)
100
14
11 Mar
24 Apr
53.
Cormorant
6
7
13
0
13
6 (
14 Mar
)
21
3
14 Mar
24 Apr
54.
Shag
0
1
1
0
1
1 (
8 Apr
)
7
1
8 Apr
8 Apr
55.
Kestrel
1
0
1
0
1
1 (
24 Mar
)
7
1
24 Mar
24 Mar
56.
Sand Martin
0
71
71
0
71
43 (
4 Apr
)
14
2
4 Apr
8 Apr
57.
Swallow
2
382
384
0
384
314 (
24 Apr
)
36
5
24 Mar
24 Apr
58.
House Martin
0
35
35
0
35
35 (
24 Apr
)
7
1
24 Apr
24 Apr
59.
Song Thrush
2
0
2
0
2
2 (
21 Mar
)
7
1
21 Mar
21 Mar
60.
Redwing
1
0
1
0
1
1 (
21 Mar
)
7
1
21 Mar
21 Mar
Species
Mar
Apr
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
61.
Meadow Pipit
0
10
10
0
10
6 (
8 Apr
)
21
3
1 Apr
8 Apr
62.
Linnet
11
6
17
0
17
11 (
14 Mar
)
14
2
14 Mar
4 Apr
63.
Goldfinch
0
32
32
0
32
19 (
24 Apr
)
14
2
1 Apr
24 Apr
Species
Mar
Apr
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
Totals
4817
13615
18432
957
17475
100
14
Observation hours
20:05
31:18
51:23
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