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Remarkable
Analysis
Phenology
Record counts
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Totals (date)
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Also present
individuals
calls
all years
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Grevenbicht (nacht)
Totals 2025 - individuals
Species
Jan
Feb
Mar
Apr
Totals
Maximum
Presence
(%)
Presence
(days)
First
Last
1.
Canada Goose
3
0
3
0
6
3 (
5 Jan
)
4
3
5 Jan
19 Mar
2.
Barnacle Goose
0
2
3
0
5
3 (
1 Mar
)
2
2
27 Feb
1 Mar
3.
Greylag Goose
8
3
1
0
12
6 (
14 Jan
)
7
6
10 Jan
14 Mar
4.
Tundra Bean Goose
14
5
0
0
19
4 (
16 Jan
)
11
9
3 Jan
23 Feb
5.
Eurasian White-fronted Goose
95
95
38
0
228
26 (
3 Jan
)
51
42
3 Jan
21 Mar
6.
Mute Swan
0
0
0
1
1
1 (
2 Apr
)
1
1
2 Apr
2 Apr
7.
Bewick's Swan
0
0
6
0
6
6 (
7 Mar
)
1
1
7 Mar
7 Mar
8.
Egyptian Goose
1
2
0
0
3
2 (
25 Feb
)
2
2
3 Jan
25 Feb
9.
Shelduck
0
0
1
0
1
1 (
12 Mar
)
1
1
12 Mar
12 Mar
10.
Ruddy Shelduck
0
0
1
0
1
1 (
5 Mar
)
1
1
5 Mar
5 Mar
11.
Gadwall
4
5
0
0
9
2 (
10 Jan
)
6
5
10 Jan
7 Feb
12.
Wigeon
0
0
13
0
13
2 (
7 Mar
)
10
8
7 Mar
30 Mar
13.
Mallard
2
3
5
1
11
2 (
3 Jan
)
11
9
3 Jan
1 Apr
14.
Pintail
0
0
6
1
7
2 (
20 Mar
)
6
5
6 Mar
4 Apr
15.
Teal
1
1
6
0
8
3 (
6 Mar
)
6
5
3 Jan
29 Mar
16.
Goldeneye
0
4
1
0
5
2 (
9 Feb
)
5
4
2 Feb
11 Mar
17.
Water Rail
1
3
39
7
50
4 (
21 Mar
)
35
29
11 Jan
4 Apr
18.
Spotted Crake
0
0
1
1
2
1 (
8 Mar
)
2
2
8 Mar
3 Apr
19.
Moorhen
0
4
47
9
60
6 (
12 Mar
)
38
31
15 Feb
4 Apr
20.
Coot
3
16
37
9
65
4 (
3 Mar
)
45
37
30 Jan
4 Apr
21.
Crane
0
31
5
0
36
25 (
18 Feb
)
7
6
16 Feb
19 Mar
22.
Little Grebe
0
1
3
1
5
1 (
14 Feb
)
6
5
14 Feb
4 Apr
23.
Oystercatcher
0
4
5
1
10
3 (
23 Feb
)
9
7
23 Feb
1 Apr
24.
Golden Plover
0
1
5
0
6
2 (
20 Mar
)
6
5
25 Feb
25 Mar
25.
Little Ringed Plover
0
0
4
3
7
3 (
3 Apr
)
5
4
6 Mar
3 Apr
26.
Lapwing
1
7
4
0
12
3 (
23 Feb
)
11
9
12 Jan
23 Mar
27.
Snipe
4
4
8
0
16
3 (
7 Mar
)
13
11
11 Jan
20 Mar
28.
Green Sandpiper
0
0
4
1
5
2 (
28 Mar
)
5
4
21 Mar
3 Apr
29.
Black-headed Gull
3
17
22
6
48
5 (
24 Mar
)
28
23
3 Jan
3 Apr
30.
Mediterranean Gull
0
0
3
0
3
2 (
28 Mar
)
2
2
24 Mar
28 Mar
Species
Jan
Feb
Mar
Apr
Totals
Maximum
Presence
(%)
Presence
(days)
First
Last
31.
Common Gull
0
2
0
0
2
1 (
10 Feb
)
2
2
10 Feb
24 Feb
32.
large gull sp.
0
1
7
0
8
2 (
6 Mar
)
6
5
24 Feb
23 Mar
33.
Bittern
0
1
2
1
4
1 (
17 Feb
)
5
4
17 Feb
3 Apr
34.
Grey Heron
0
10
26
1
37
4 (
30 Mar
)
28
23
3 Feb
4 Apr
35.
Long-eared Owl
0
0
1
0
1
1 (
23 Mar
)
1
1
23 Mar
23 Mar
36.
Rook
0
0
2
0
2
2 (
26 Mar
)
1
1
26 Mar
26 Mar
37.
Wood Lark
0
3
1
0
4
3 (
23 Feb
)
2
2
23 Feb
11 Mar
38.
Skylark
0
14
0
0
14
12 (
23 Feb
)
4
3
20 Feb
25 Feb
39.
Starling
0
0
7
1
8
2 (
7 Mar
)
7
6
1 Mar
1 Apr
40.
Song Thrush
3
119
355
35
512
35 (
23 Feb
)
62
51
11 Jan
4 Apr
41.
Redwing
93
100
856
41
1090
206 (
27 Mar
)
80
66
3 Jan
4 Apr
42.
Blackbird
4
5
5
0
14
3 (
23 Feb
)
15
12
3 Jan
31 Mar
43.
Fieldfare
0
3
0
1
4
1 (
2 Feb
)
5
4
2 Feb
4 Apr
44.
thrush sp.
0
0
1
0
1
1 (
28 Mar
)
1
1
28 Mar
28 Mar
45.
Robin
0
3
15
1
19
3 (
24 Mar
)
17
14
25 Feb
4 Apr
46.
Black Redstart
0
0
2
0
2
1 (
20 Mar
)
2
2
20 Mar
23 Mar
47.
House Sparrow
0
0
2
0
2
1 (
5 Mar
)
2
2
5 Mar
17 Mar
48.
White Wagtail
0
0
1
0
1
1 (
29 Mar
)
1
1
29 Mar
29 Mar
49.
Chaffinch
0
1
0
0
1
1 (
9 Feb
)
1
1
9 Feb
9 Feb
50.
Greenfinch
0
2
2
0
4
2 (
25 Feb
)
4
3
25 Feb
15 Mar
51.
Snow Bunting
0
1
0
0
1
1 (
6 Feb
)
1
1
6 Feb
6 Feb
52.
Reed Bunting
0
0
3
0
3
1 (
2 Mar
)
4
3
2 Mar
18 Mar
53.
Species unidentified
0
6
2
0
8
2 (
25 Feb
)
9
7
3 Feb
21 Mar
Species
Jan
Feb
Mar
Apr
Totals
Maximum
Presence
(%)
Presence
(days)
First
Last
Totals
240
479
1561
122
2402
2402
3768
100
82
Observation hours
298:20
301:35
323:40
36:40
960:15
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