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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
2
257
0
257
175 (
11 Mar
)
56
9
11 Mar
2 May
2.
Shelduck
13
5
0
18
4
14
11 (
21 Mar
)
19
3
21 Mar
8 Apr
3.
Garganey
0
15
0
15
0
15
10 (
1 Apr
)
19
3
1 Apr
10 Apr
4.
Shoveler
61
155
0
216
0
216
51 (
27 Mar
)
50
8
17 Mar
28 Apr
5.
Gadwall
1
5
0
6
0
6
3 (
8 Apr
)
19
3
27 Mar
8 Apr
6.
Wigeon
6
3
0
9
0
9
4 (
17 Mar
)
19
3
17 Mar
15 Apr
7.
Pintail
106
34
0
140
0
140
64 (
14 Mar
)
38
6
11 Mar
1 Apr
8.
Teal
2
238
0
240
0
240
224 (
1 Apr
)
31
5
14 Mar
15 Apr
9.
duck sp.
0
3
0
3
0
3
3 (
22 Apr
)
6
1
22 Apr
22 Apr
10.
Pochard
0
4
0
4
0
4
3 (
28 Apr
)
13
2
15 Apr
28 Apr
11.
Velvet Scoter
0
7
0
7
0
7
3 (
1 Apr
)
25
4
1 Apr
24 Apr
12.
Common Scoter
657
1689
24
2370
455
1915
420 (
15 Apr
)
100
16
11 Mar
2 May
13.
Red-breasted Merganser
17
53
0
70
14
56
26 (
1 Apr
)
56
9
11 Mar
18 Apr
14.
Woodpigeon
0
54
0
54
0
54
30 (
4 Apr
)
13
2
4 Apr
28 Apr
15.
Red-necked Grebe
0
1
0
1
0
1
1 (
22 Apr
)
6
1
22 Apr
22 Apr
16.
Great Crested Grebe
2
1
0
3
0
3
2 (
17 Mar
)
13
2
17 Mar
8 Apr
17.
Slavonian Grebe
0
2
0
2
0
2
2 (
1 Apr
)
6
1
1 Apr
1 Apr
18.
Oystercatcher
6
38
0
44
23
21
23 (
28 Apr
)
38
6
11 Mar
28 Apr
19.
Avocet
19
57
0
76
0
76
57 (
4 Apr
)
13
2
11 Mar
4 Apr
20.
Grey Plover
0
24
0
24
0
24
8 (
10 Apr
)
31
5
1 Apr
28 Apr
21.
Whimbrel
0
205
0
205
16
189
95 (
28 Apr
)
50
8
1 Apr
28 Apr
22.
Curlew
13
0
0
13
0
13
13 (
27 Mar
)
6
1
27 Mar
27 Mar
23.
Bar-tailed Godwit
5
1135
0
1140
1
1139
938 (
22 Apr
)
38
6
17 Mar
28 Apr
24.
Redshank
0
3
0
3
0
3
2 (
1 Apr
)
13
2
1 Apr
28 Apr
25.
Knot
85
33
0
118
0
118
85 (
24 Mar
)
13
2
24 Mar
28 Apr
26.
wader sp.
2
199
0
201
2
199
140 (
18 Apr
)
25
4
11 Mar
24 Apr
27.
Sanderling
0
28
0
28
0
28
15 (
18 Apr
)
13
2
15 Apr
18 Apr
28.
Dunlin
905
241
0
1146
0
1146
670 (
14 Mar
)
63
10
11 Mar
22 Apr
29.
Little Tern
0
89
27
116
0
116
54 (
8 Apr
)
44
7
8 Apr
2 May
30.
Caspian Tern
0
1
0
1
0
1
1 (
15 Apr
)
6
1
15 Apr
15 Apr
Species
Mar
Apr
May
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
31.
Black Tern
0
53
118
171
0
171
118 (
2 May
)
44
7
8 Apr
2 May
32.
Arctic Tern
0
21
0
21
0
21
12 (
22 Apr
)
25
4
8 Apr
28 Apr
33.
Common Tern
1
6651
4637
11289
0
11289
4637 (
2 May
)
63
10
21 Mar
2 May
34.
Sandwich Tern
168
2147
0
2315
330
1985
507 (
4 Apr
)
88
14
11 Mar
28 Apr
35.
Little Gull
152
1351
4
1507
0
1507
468 (
4 Apr
)
100
16
11 Mar
2 May
36.
Kittiwake
149
22
0
171
76
95
77 (
21 Mar
)
50
8
11 Mar
18 Apr
37.
Black-headed Gull
115
341
1
457
16
441
174 (
4 Apr
)
75
12
11 Mar
2 May
38.
Mediterranean Gull
33
69
0
102
18
84
32 (
28 Apr
)
88
14
11 Mar
28 Apr
39.
Common Gull
90
112
3
205
0
205
39 (
15 Apr
)
88
14
11 Mar
2 May
40.
Herring Gull
40
40
0
80
28
52
17 (
15 Apr
)
56
9
11 Mar
15 Apr
41.
Great Black-backed Gull
5
1
0
6
0
6
2 (
11 Mar
)
31
5
11 Mar
8 Apr
42.
Lesser Black-backed Gull
314
110
9
433
1
432
148 (
21 Mar
)
88
14
11 Mar
2 May
43.
Arctic Skua
4
23
0
27
0
27
8 (
18 Apr
)
63
10
17 Mar
22 Apr
44.
Pomarine Skua
0
1
0
1
0
1
1 (
22 Apr
)
6
1
22 Apr
22 Apr
45.
Razorbill
2
1
0
3
0
3
1 (
11 Mar
)
19
3
11 Mar
10 Apr
46.
Razorbill/Guillemot
64
20
0
84
5
79
35 (
11 Mar
)
69
11
11 Mar
28 Apr
47.
Guillemot
10
19
0
29
6
23
7 (
1 Apr
)
44
7
11 Mar
24 Apr
48.
Red-throated Diver
262
164
1
427
11
416
121 (
21 Mar
)
100
16
11 Mar
2 May
49.
Black-throated Diver
2
51
19
72
0
72
19 (
2 May
)
69
11
27 Mar
2 May
50.
diver sp.
0
23
0
23
0
23
14 (
4 Apr
)
25
4
1 Apr
22 Apr
51.
Fulmar
11
4
0
15
1
14
7 (
14 Mar
)
31
5
14 Mar
24 Apr
52.
Gannet
1286
227
57
1570
15
1555
614 (
14 Mar
)
100
16
11 Mar
2 May
53.
Cormorant
6
7
8
21
0
21
8 (
2 May
)
25
4
14 Mar
2 May
54.
Shag
0
1
0
1
0
1
1 (
8 Apr
)
6
1
8 Apr
8 Apr
55.
Kestrel
1
0
0
1
0
1
1 (
24 Mar
)
6
1
24 Mar
24 Mar
56.
Sand Martin
0
75
0
75
0
75
43 (
4 Apr
)
19
3
4 Apr
28 Apr
57.
Swallow
2
419
0
421
0
421
314 (
24 Apr
)
38
6
24 Mar
28 Apr
58.
House Martin
0
35
0
35
0
35
35 (
24 Apr
)
6
1
24 Apr
24 Apr
59.
Song Thrush
2
0
0
2
0
2
2 (
21 Mar
)
6
1
21 Mar
21 Mar
60.
Redwing
1
0
0
1
0
1
1 (
21 Mar
)
6
1
21 Mar
21 Mar
Species
Mar
Apr
May
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
61.
Meadow Pipit
0
10
0
10
0
10
6 (
8 Apr
)
19
3
1 Apr
8 Apr
62.
Linnet
11
6
0
17
0
17
11 (
14 Mar
)
13
2
14 Mar
4 Apr
63.
Goldfinch
0
32
0
32
0
32
19 (
24 Apr
)
13
2
1 Apr
24 Apr
Species
Mar
Apr
May
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
Totals
4817
16427
4910
26154
1022
25132
100
16
Observation hours
20:05
35:21
27:15
82:41
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