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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
23
209
0
209
175 (
11 Mar
)
38
3
11 Mar
4 Apr
2.
Shelduck
13
0
13
4
9
11 (
21 Mar
)
25
2
21 Mar
24 Mar
3.
Garganey
0
11
11
0
11
10 (
1 Apr
)
25
2
1 Apr
4 Apr
4.
Shoveler
61
95
156
0
156
51 (
27 Mar
)
63
5
17 Mar
4 Apr
5.
Gadwall
1
2
3
0
3
2 (
1 Apr
)
25
2
27 Mar
1 Apr
6.
Wigeon
6
0
6
0
6
4 (
17 Mar
)
25
2
17 Mar
27 Mar
7.
Pintail
106
34
140
0
140
64 (
14 Mar
)
75
6
11 Mar
1 Apr
8.
Teal
2
226
228
0
228
224 (
1 Apr
)
38
3
14 Mar
4 Apr
9.
Velvet Scoter
0
3
3
0
3
3 (
1 Apr
)
13
1
1 Apr
1 Apr
10.
Common Scoter
657
456
1113
322
791
262 (
1 Apr
)
100
8
11 Mar
4 Apr
11.
Red-breasted Merganser
17
34
51
7
44
26 (
1 Apr
)
75
6
11 Mar
4 Apr
12.
Woodpigeon
0
30
30
0
30
30 (
4 Apr
)
13
1
4 Apr
4 Apr
13.
Great Crested Grebe
2
0
2
0
2
2 (
17 Mar
)
13
1
17 Mar
17 Mar
14.
Slavonian Grebe
0
2
2
0
2
2 (
1 Apr
)
13
1
1 Apr
1 Apr
15.
Oystercatcher
6
1
7
0
7
4 (
11 Mar
)
38
3
11 Mar
1 Apr
16.
Avocet
19
57
76
0
76
57 (
4 Apr
)
25
2
11 Mar
4 Apr
17.
Grey Plover
0
8
8
0
8
6 (
1 Apr
)
25
2
1 Apr
4 Apr
18.
Whimbrel
0
9
9
0
9
5 (
1 Apr
)
25
2
1 Apr
4 Apr
19.
Curlew
13
0
13
0
13
13 (
27 Mar
)
13
1
27 Mar
27 Mar
20.
Bar-tailed Godwit
5
1
6
0
6
5 (
17 Mar
)
25
2
17 Mar
1 Apr
21.
Redshank
0
2
2
0
2
2 (
1 Apr
)
13
1
1 Apr
1 Apr
22.
Knot
85
0
85
0
85
85 (
24 Mar
)
13
1
24 Mar
24 Mar
23.
wader sp.
2
0
2
2
0
2 (
11 Mar
)
13
1
11 Mar
11 Mar
24.
Dunlin
905
222
1127
0
1127
670 (
14 Mar
)
88
7
11 Mar
4 Apr
25.
Common Tern
1
119
120
0
120
119 (
4 Apr
)
25
2
21 Mar
4 Apr
26.
Sandwich Tern
168
581
749
1
748
507 (
4 Apr
)
100
8
11 Mar
4 Apr
27.
Little Gull
152
476
628
0
628
468 (
4 Apr
)
100
8
11 Mar
4 Apr
28.
Kittiwake
149
0
149
74
75
77 (
21 Mar
)
75
6
11 Mar
27 Mar
29.
Black-headed Gull
115
208
323
1
322
174 (
4 Apr
)
88
7
11 Mar
4 Apr
30.
Mediterranean Gull
33
9
42
1
41
8 (
17 Mar
)
100
8
11 Mar
4 Apr
Species
Mar
Apr
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
31.
Common Gull
90
55
145
0
145
38 (
4 Apr
)
100
8
11 Mar
4 Apr
32.
Herring Gull
40
13
53
12
41
13 (
17 Mar
)
88
7
11 Mar
4 Apr
33.
Great Black-backed Gull
5
0
5
0
5
2 (
11 Mar
)
50
4
11 Mar
21 Mar
34.
Lesser Black-backed Gull
314
32
346
0
346
148 (
21 Mar
)
100
8
11 Mar
4 Apr
35.
Arctic Skua
4
1
5
0
5
1 (
17 Mar
)
63
5
17 Mar
1 Apr
36.
Razorbill
2
0
2
0
2
1 (
11 Mar
)
25
2
11 Mar
21 Mar
37.
Razorbill/Guillemot
64
4
68
4
64
35 (
11 Mar
)
75
6
11 Mar
1 Apr
38.
Guillemot
10
7
17
5
12
7 (
1 Apr
)
38
3
11 Mar
1 Apr
39.
Red-throated Diver
262
58
320
9
311
121 (
21 Mar
)
100
8
11 Mar
4 Apr
40.
Black-throated Diver
2
16
18
0
18
11 (
4 Apr
)
38
3
27 Mar
4 Apr
41.
diver sp.
0
19
19
0
19
14 (
4 Apr
)
25
2
1 Apr
4 Apr
42.
Fulmar
11
0
11
0
11
7 (
14 Mar
)
38
3
14 Mar
27 Mar
43.
Gannet
1286
56
1342
9
1333
614 (
14 Mar
)
100
8
11 Mar
4 Apr
44.
Cormorant
6
4
10
0
10
6 (
14 Mar
)
25
2
14 Mar
4 Apr
45.
Kestrel
1
0
1
0
1
1 (
24 Mar
)
13
1
24 Mar
24 Mar
46.
Sand Martin
0
43
43
0
43
43 (
4 Apr
)
13
1
4 Apr
4 Apr
47.
Swallow
2
1
3
0
3
2 (
24 Mar
)
25
2
24 Mar
4 Apr
48.
Song Thrush
2
0
2
0
2
2 (
21 Mar
)
13
1
21 Mar
21 Mar
49.
Redwing
1
0
1
0
1
1 (
21 Mar
)
13
1
21 Mar
21 Mar
50.
Meadow Pipit
0
4
4
0
4
2 (
1 Apr
)
25
2
1 Apr
4 Apr
51.
Linnet
11
6
17
0
17
11 (
14 Mar
)
25
2
14 Mar
4 Apr
52.
Goldfinch
0
13
13
0
13
13 (
1 Apr
)
13
1
1 Apr
1 Apr
Species
Mar
Apr
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
Totals
4817
2941
7758
451
7307
100
8
Observation hours
20:05
6:52
26:57
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