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Remarkable
Analysis
Phenology
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individuals
calls
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Dalfsen (nacht)
Totals 2025 - individuals
Species
Jan
Feb
Mar
Apr
May
Totals
Maximum
Presence
(%)
Presence
(days)
First
Last
1.
Canada Goose
0
2
0
1
0
3
1 (
9 Feb
)
3
3
9 Feb
6 Apr
2.
Barnacle Goose
2
7
9
3
1
22
3 (
25 Mar
)
15
15
31 Jan
6 May
3.
Greylag Goose
0
5
2
0
0
7
2 (
21 Feb
)
6
6
4 Feb
23 Mar
4.
Tundra Bean Goose
0
7
0
0
0
7
2 (
1 Feb
)
6
6
1 Feb
22 Feb
5.
Eurasian White-fronted Goose
10
79
64
0
0
153
20 (
20 Mar
)
36
35
28 Jan
27 Mar
6.
Mute Swan
0
2
0
0
0
2
2 (
23 Feb
)
1
1
23 Feb
23 Feb
7.
Whooper Swan
0
0
2
0
0
2
2 (
9 Mar
)
1
1
9 Mar
9 Mar
8.
Gadwall
5
18
8
8
0
39
6 (
21 Feb
)
15
15
8 Jan
11 Apr
9.
Wigeon
2
12
346
73
0
433
70 (
26 Mar
)
32
31
31 Jan
14 Apr
10.
Mallard
0
3
6
18
1
28
3 (
11 Apr
)
20
20
1 Feb
8 May
11.
Pintail
0
0
7
1
0
8
2 (
4 Mar
)
5
5
4 Mar
28 Apr
12.
Teal
0
10
24
67
5
106
15 (
11 Apr
)
35
34
1 Feb
4 May
13.
duck sp.
0
2
0
4
0
6
3 (
9 Apr
)
3
3
25 Feb
11 Apr
14.
Goldeneye
0
1
2
3
0
6
1 (
26 Feb
)
6
6
26 Feb
26 Apr
15.
Quail
0
0
0
1
2
3
1 (
28 Apr
)
3
3
28 Apr
8 May
16.
Swift
0
0
0
0
15
15
4 (
5 May
)
6
6
1 May
8 May
17.
Cuckoo
0
0
0
0
1
1
1 (
2 May
)
1
1
2 May
2 May
18.
Water Rail
0
2
26
29
4
61
4 (
25 Mar
)
40
39
27 Feb
9 May
19.
Moorhen
0
5
45
71
10
131
7 (
9 Apr
)
56
55
22 Feb
9 May
20.
Coot
5
21
58
73
13
170
6 (
4 Mar
)
73
72
28 Jan
9 May
21.
Little Grebe
0
4
7
13
2
26
2 (
21 Feb
)
22
22
20 Feb
8 May
22.
Oystercatcher
0
33
74
31
17
155
8 (
22 Feb
)
59
58
20 Feb
9 May
23.
Avocet
0
0
2
0
0
2
2 (
9 Mar
)
1
1
9 Mar
9 Mar
24.
Golden Plover
0
2
3
0
0
5
2 (
22 Feb
)
4
4
22 Feb
28 Mar
25.
Ringed Plover
0
0
1
0
1
2
1 (
7 Mar
)
2
2
7 Mar
5 May
26.
Little Ringed Plover
0
0
0
1
0
1
1 (
12 Apr
)
1
1
12 Apr
12 Apr
27.
Lapwing
0
9
0
0
0
9
2 (
22 Feb
)
8
8
1 Feb
27 Feb
28.
Whimbrel
0
0
0
8
4
12
5 (
14 Apr
)
4
4
14 Apr
5 May
29.
Curlew
0
3
5
46
0
54
19 (
11 Apr
)
14
14
23 Feb
17 Apr
30.
Black-tailed Godwit
0
0
2
0
0
2
2 (
30 Mar
)
1
1
30 Mar
30 Mar
Species
Jan
Feb
Mar
Apr
May
Totals
Maximum
Presence
(%)
Presence
(days)
First
Last
31.
Snipe
0
0
0
1
0
1
1 (
11 Apr
)
1
1
11 Apr
11 Apr
32.
Common Sandpiper
0
0
0
2
9
11
5 (
7 May
)
6
6
20 Apr
8 May
33.
Green Sandpiper
0
0
0
1
0
1
1 (
11 Apr
)
1
1
11 Apr
11 Apr
34.
Wood Sandpiper
0
0
0
0
1
1
1 (
1 May
)
1
1
1 May
1 May
35.
Redshank
0
0
2
6
0
8
3 (
6 Apr
)
6
6
25 Mar
27 Apr
36.
Tringa sp.
0
0
0
0
1
1
1 (
6 May
)
1
1
6 May
6 May
37.
Spotted Redshank
0
0
0
0
1
1
1 (
1 May
)
1
1
1 May
1 May
38.
wader sp.
0
1
0
0
0
1
1 (
25 Feb
)
1
1
25 Feb
25 Feb
39.
Dunlin
0
0
0
0
1
1
1 (
6 May
)
1
1
6 May
6 May
40.
Black-headed Gull
0
3
19
14
3
39
5 (
6 Mar
)
24
24
6 Feb
7 May
41.
large gull sp.
0
0
1
0
0
1
1 (
20 Mar
)
1
1
20 Mar
20 Mar
42.
Bittern
0
1
4
8
1
14
3 (
11 Apr
)
11
11
25 Feb
1 May
43.
Little Bittern
0
0
0
1
0
1
1 (
29 Apr
)
1
1
29 Apr
29 Apr
44.
Night Heron
0
0
0
0
1
1
1 (
2 May
)
1
1
2 May
2 May
45.
Grey Heron
1
6
22
10
0
39
7 (
30 Mar
)
22
22
28 Jan
29 Apr
46.
Barn Owl
0
0
0
1
0
1
1 (
5 Apr
)
1
1
5 Apr
5 Apr
47.
Long-eared Owl
0
0
3
1
0
4
1 (
2 Mar
)
4
4
2 Mar
5 Apr
48.
Eagle Owl
0
1
0
0
0
1
1 (
1 Feb
)
1
1
1 Feb
1 Feb
49.
Carrion Crow
0
2
0
0
0
2
2 (
5 Feb
)
1
1
5 Feb
5 Feb
50.
Wood Lark
0
0
2
0
0
2
1 (
6 Mar
)
2
2
6 Mar
7 Mar
51.
Blackcap
0
0
0
3
0
3
1 (
7 Apr
)
3
3
7 Apr
16 Apr
52.
Starling
0
0
0
1
0
1
1 (
5 Apr
)
1
1
5 Apr
5 Apr
53.
Song Thrush
0
65
255
659
8
987
129 (
8 Apr
)
65
64
3 Feb
9 May
54.
Redwing
9
75
839
106
0
1029
385 (
26 Mar
)
49
48
8 Jan
22 Apr
55.
Blackbird
0
1
7
1
0
9
3 (
25 Mar
)
6
6
26 Feb
3 Apr
56.
Fieldfare
0
1
1
0
0
2
1 (
27 Feb
)
2
2
27 Feb
26 Mar
57.
Ring Ouzel
0
0
0
4
0
4
2 (
14 Apr
)
3
3
7 Apr
22 Apr
58.
Spotted Flycatcher
0
0
0
0
7
7
2 (
2 May
)
5
5
1 May
9 May
59.
Robin
0
1
13
4
0
18
3 (
28 Mar
)
13
13
22 Feb
15 Apr
60.
Nightingale
0
0
0
1
0
1
1 (
14 Apr
)
1
1
14 Apr
14 Apr
Species
Jan
Feb
Mar
Apr
May
Totals
Maximum
Presence
(%)
Presence
(days)
First
Last
61.
Collared Flycatcher
0
0
0
0
1
1
1 (
1 May
)
1
1
1 May
1 May
62.
Black Redstart
0
0
1
0
0
1
1 (
12 Mar
)
1
1
12 Mar
12 Mar
63.
Dunnock
0
2
0
0
0
2
1 (
21 Feb
)
2
2
21 Feb
25 Feb
64.
Blue-headed Wagtail
0
0
0
1
0
1
1 (
22 Apr
)
1
1
22 Apr
22 Apr
65.
Tree Pipit
0
0
0
3
1
4
1 (
22 Apr
)
4
4
22 Apr
5 May
66.
pipit sp.
0
0
0
0
1
1
1 (
8 May
)
1
1
8 May
8 May
67.
Chaffinch
0
0
0
1
0
1
1 (
1 Apr
)
1
1
1 Apr
1 Apr
68.
Siskin
0
0
1
0
0
1
1 (
20 Mar
)
1
1
20 Mar
20 Mar
69.
Yellowhammer
0
0
0
1
0
1
1 (
26 Apr
)
1
1
26 Apr
26 Apr
70.
Reed Bunting
0
1
0
1
0
2
1 (
21 Feb
)
2
2
21 Feb
9 Apr
71.
Species unidentified
0
6
7
2
0
15
1 (
1 Feb
)
15
15
1 Feb
22 Apr
72.
passerine sp.
0
0
3
0
1
4
1 (
2 Mar
)
4
4
2 Mar
7 May
Species
Jan
Feb
Mar
Apr
May
Totals
Maximum
Presence
(%)
Presence
(days)
First
Last
Totals
34
393
1873
1284
113
3697
3697
5720
100
98
Observation hours
50:55
236:40
300:50
247:05
67:10
902:40
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