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Totals Maasvlakte II 2025
Species
Apr
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
1.
Dark-bellied Brent Goose
9
9
9
0
9 (
23 Apr
)
100
1
23 Apr
23 Apr
2.
Greylag Goose
2
2
0
2
2 (
23 Apr
)
100
1
23 Apr
23 Apr
3.
Egyptian Goose
5
5
0
5
5 (
23 Apr
)
100
1
23 Apr
23 Apr
4.
Common Scoter
10
10
0
10
10 (
23 Apr
)
100
1
23 Apr
23 Apr
5.
Whimbrel
11
11
0
11
11 (
23 Apr
)
100
1
23 Apr
23 Apr
6.
Arctic Tern
2
2
0
2
2 (
23 Apr
)
100
1
23 Apr
23 Apr
7.
Common/Arctic Tern
263
263
70
193
263 (
23 Apr
)
100
1
23 Apr
23 Apr
8.
Sandwich Tern
365
365
39
326
365 (
23 Apr
)
100
1
23 Apr
23 Apr
9.
Little Gull
21
21
0
21
21 (
23 Apr
)
100
1
23 Apr
23 Apr
10.
Common Gull
3
3
2
1
3 (
23 Apr
)
100
1
23 Apr
23 Apr
11.
Lesser Black-backed Gull
52
52
0
52
52 (
23 Apr
)
100
1
23 Apr
23 Apr
12.
Cormorant
2
2
0
2
2 (
23 Apr
)
100
1
23 Apr
23 Apr
13.
Swallow
1
1
0
1
1 (
23 Apr
)
100
1
23 Apr
23 Apr
14.
Blue-headed Wagtail
1
1
0
1
1 (
23 Apr
)
100
1
23 Apr
23 Apr
Species
Apr
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
Totals
747
747
120
627
100
1
Observation hours
1:00
1:00
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