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Totals Cap Gris-Nez - Migratlane 2025
Species
Mar
Apr
May
Jun
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
1.
Dark-bellied Brent Goose
186
69
3
0
258
0
258
175 (
11 Mar
)
37
10
11 Mar
22 May
2.
Bean Goose sp.
0
0
0
1
1
1
0
1 (
3 Jun
)
4
1
3 Jun
3 Jun
3.
Shelduck
13
5
0
0
18
4
14
11 (
21 Mar
)
11
3
21 Mar
8 Apr
4.
Garganey
0
15
0
0
15
0
15
10 (
1 Apr
)
11
3
1 Apr
10 Apr
5.
Shoveler
61
155
4
0
220
0
220
51 (
27 Mar
)
33
9
17 Mar
19 May
6.
Gadwall
1
5
0
0
6
0
6
3 (
8 Apr
)
11
3
27 Mar
8 Apr
7.
Wigeon
6
3
0
0
9
0
9
4 (
17 Mar
)
11
3
17 Mar
15 Apr
8.
Pintail
106
34
0
0
140
0
140
64 (
14 Mar
)
22
6
11 Mar
1 Apr
9.
Teal
2
238
0
0
240
0
240
224 (
1 Apr
)
19
5
14 Mar
15 Apr
10.
duck sp.
0
3
0
0
3
0
3
3 (
22 Apr
)
4
1
22 Apr
22 Apr
11.
Pochard
0
4
0
0
4
0
4
3 (
28 Apr
)
7
2
15 Apr
28 Apr
12.
Eider
0
0
3
0
3
3
0
3 (
13 May
)
4
1
13 May
13 May
13.
Velvet Scoter
0
7
0
0
7
0
7
3 (
1 Apr
)
15
4
1 Apr
24 Apr
14.
Common Scoter
657
1689
242
22
2610
581
2029
420 (
15 Apr
)
89
24
11 Mar
3 Jun
15.
Red-breasted Merganser
17
53
3
0
73
14
59
26 (
1 Apr
)
37
10
11 Mar
6 May
16.
Swift
0
0
86
6
92
41
51
85 (
26 May
)
11
3
9 May
3 Jun
17.
Woodpigeon
0
54
0
0
54
0
54
30 (
4 Apr
)
7
2
4 Apr
28 Apr
18.
Red-necked Grebe
0
1
0
0
1
0
1
1 (
22 Apr
)
4
1
22 Apr
22 Apr
19.
Great Crested Grebe
2
1
3
1
7
1
6
2 (
17 Mar
)
19
5
17 Mar
3 Jun
20.
Slavonian Grebe
0
2
0
0
2
0
2
2 (
1 Apr
)
4
1
1 Apr
1 Apr
21.
grebe sp.
0
0
5
0
5
0
5
5 (
28 May
)
4
1
28 May
28 May
22.
Oystercatcher
6
38
9
1
54
33
21
23 (
28 Apr
)
33
9
11 Mar
6 Jun
23.
Avocet
19
57
0
0
76
0
76
57 (
4 Apr
)
7
2
11 Mar
4 Apr
24.
Grey Plover
0
24
412
0
436
0
436
251 (
9 May
)
44
12
1 Apr
22 May
25.
Ringed Plover
0
0
97
0
97
0
97
52 (
9 May
)
11
3
9 May
22 May
26.
Whimbrel
0
205
105
0
310
16
294
95 (
28 Apr
)
44
12
1 Apr
19 May
27.
Curlew
13
0
0
0
13
0
13
13 (
27 Mar
)
4
1
27 Mar
27 Mar
28.
Bar-tailed Godwit
5
1135
26
0
1166
1
1165
938 (
22 Apr
)
33
9
17 Mar
13 May
29.
Redshank
0
3
9
0
12
0
12
8 (
9 May
)
15
4
1 Apr
13 May
30.
Turnstone
0
0
12
0
12
0
12
12 (
9 May
)
4
1
9 May
9 May
Species
Mar
Apr
May
Jun
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
31.
Knot
85
33
902
0
1020
0
1020
522 (
9 May
)
33
9
24 Mar
22 May
32.
Ruff
0
0
5
0
5
0
5
5 (
9 May
)
4
1
9 May
9 May
33.
wader sp.
2
199
59
0
260
2
258
140 (
18 Apr
)
30
8
11 Mar
22 May
34.
small wader
0
0
3
0
3
0
3
3 (
16 May
)
4
1
16 May
16 May
35.
Sanderling
0
28
171
0
199
5
194
123 (
9 May
)
26
7
15 Apr
26 May
36.
Dunlin
905
241
124
0
1270
0
1270
670 (
14 Mar
)
44
12
11 Mar
19 May
37.
Calidris sp.
0
0
50
0
50
0
50
31 (
9 May
)
7
2
9 May
13 May
38.
Little Tern
0
89
78
0
167
0
167
54 (
8 Apr
)
48
13
8 Apr
22 May
39.
Caspian Tern
0
1
0
0
1
0
1
1 (
15 Apr
)
4
1
15 Apr
15 Apr
40.
Black Tern
0
53
149
0
202
0
202
118 (
2 May
)
41
11
8 Apr
19 May
41.
Arctic Tern
0
21
4
0
25
0
25
12 (
22 Apr
)
22
6
8 Apr
20 May
42.
Common Tern
1
6651
6090
10
12752
42
12710
4637 (
2 May
)
74
20
21 Mar
3 Jun
43.
sterna sp.
0
0
1
0
1
0
1
1 (
13 May
)
4
1
13 May
13 May
44.
Sandwich Tern
168
2147
386
93
2794
440
2354
507 (
4 Apr
)
93
25
11 Mar
6 Jun
45.
Little Gull
152
1351
15
0
1518
0
1518
468 (
4 Apr
)
67
18
11 Mar
9 May
46.
Kittiwake
149
22
453
146
770
325
445
164 (
26 May
)
59
16
11 Mar
6 Jun
47.
Black-headed Gull
115
341
193
113
762
127
635
174 (
4 Apr
)
81
22
11 Mar
6 Jun
48.
Mediterranean Gull
33
69
31
25
158
48
110
32 (
28 Apr
)
81
22
11 Mar
6 Jun
49.
Common Gull
90
112
21
1
224
1
223
39 (
15 Apr
)
74
20
11 Mar
3 Jun
50.
Herring Gull
40
40
0
0
80
28
52
17 (
15 Apr
)
33
9
11 Mar
15 Apr
51.
Great Black-backed Gull
5
1
0
0
6
0
6
2 (
11 Mar
)
19
5
11 Mar
8 Apr
52.
Lesser Black-backed Gull
314
110
17
0
441
1
440
148 (
21 Mar
)
67
18
11 Mar
22 May
53.
Laridae sp.
0
0
4
0
4
0
4
4 (
20 May
)
4
1
20 May
20 May
54.
Arctic Skua
4
23
4
0
31
0
31
8 (
18 Apr
)
48
13
17 Mar
20 May
55.
Pomarine Skua
0
1
3
0
4
0
4
2 (
13 May
)
11
3
22 Apr
16 May
56.
Razorbill
2
1
0
0
3
0
3
1 (
11 Mar
)
11
3
11 Mar
10 Apr
57.
Razorbill/Guillemot
64
20
19
0
103
12
91
35 (
11 Mar
)
63
17
11 Mar
28 May
58.
alca / fratercula spec
0
0
1
0
1
0
1
1 (
16 May
)
4
1
16 May
16 May
59.
Guillemot
10
19
28
3
60
16
44
7 (
1 Apr
)
59
16
11 Mar
3 Jun
60.
Red-throated Diver
262
164
3
0
429
11
418
121 (
21 Mar
)
67
18
11 Mar
9 May
Species
Mar
Apr
May
Jun
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
61.
Black-throated Diver
2
51
25
0
78
0
78
19 (
2 May
)
48
13
27 Mar
19 May
62.
diver sp.
0
23
1
0
24
0
24
14 (
4 Apr
)
19
5
1 Apr
16 May
63.
Fulmar
11
4
12
4
31
11
20
7 (
14 Mar
)
37
10
14 Mar
6 Jun
64.
Manx Shearwater
0
0
200
2
202
192
10
110 (
28 May
)
11
3
26 May
3 Jun
65.
Gannet
1286
227
628
188
2329
159
2170
614 (
14 Mar
)
100
27
11 Mar
6 Jun
66.
Cormorant
6
7
18
0
31
0
31
10 (
9 May
)
19
5
14 Mar
9 May
67.
Shag
0
1
0
0
1
0
1
1 (
8 Apr
)
4
1
8 Apr
8 Apr
68.
Kestrel
1
0
0
0
1
0
1
1 (
24 Mar
)
4
1
24 Mar
24 Mar
69.
Sand Martin
0
75
2
0
77
0
77
43 (
4 Apr
)
15
4
4 Apr
19 May
70.
Swallow
2
419
91
2
514
2
512
314 (
24 Apr
)
52
14
24 Mar
3 Jun
71.
House Martin
0
35
10
0
45
0
45
35 (
24 Apr
)
11
3
24 Apr
19 May
72.
Song Thrush
2
0
0
0
2
0
2
2 (
21 Mar
)
4
1
21 Mar
21 Mar
73.
Redwing
1
0
0
0
1
0
1
1 (
21 Mar
)
4
1
21 Mar
21 Mar
74.
Blue-headed Wagtail
0
0
1
0
1
0
1
1 (
22 May
)
4
1
22 May
22 May
75.
Meadow Pipit
0
10
0
0
10
0
10
6 (
8 Apr
)
11
3
1 Apr
8 Apr
76.
Linnet
11
6
0
0
17
0
17
11 (
14 Mar
)
7
2
14 Mar
4 Apr
77.
Goldfinch
0
32
0
0
32
0
32
19 (
24 Apr
)
7
2
1 Apr
24 Apr
Species
Mar
Apr
May
Jun
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
Totals
4817
16427
10821
618
32683
2117
30566
100
27
Observation hours
20:05
35:21
46:07
6:57
108:30
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