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Totals Meijendel (Wassenaar) 2025
Species
Jan
Feb
Mar
Apr
May
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
1.
Barnacle Goose
0
0
0
0
36
36
14
22
34 (
12 May
)
29
2
11 May
12 May
2.
Greylag Goose
76
0
0
0
57
133
119
14
76 (
11 Jan
)
43
3
11 Jan
11 May
3.
goose sp.
90
0
0
0
0
90
30
60
90 (
11 Jan
)
14
1
11 Jan
11 Jan
4.
Domestic Goose
0
0
0
0
1
1
0
1
1 (
11 May
)
14
1
11 May
11 May
5.
Egyptian Goose
13
0
0
0
4
17
13
4
13 (
11 Jan
)
29
2
11 Jan
11 May
6.
Shelduck
0
0
0
0
2
2
2
0
2 (
11 May
)
14
1
11 May
11 May
7.
Gadwall
0
0
0
0
8
8
0
8
5 (
9 May
)
29
2
9 May
11 May
8.
Pochard
0
0
0
0
1
1
1
0
1 (
8 May
)
14
1
8 May
8 May
9.
Goosander
2
0
0
0
0
2
2
0
2 (
11 Jan
)
14
1
11 Jan
11 Jan
10.
Red-breasted Merganser
2
0
0
0
0
2
2
0
2 (
11 Jan
)
14
1
11 Jan
11 Jan
11.
Swift
0
0
0
0
96
96
3
93
35 (
12 May
)
86
6
8 May
13 May
12.
Feral Pigeon
0
0
0
0
32
32
1
31
31 (
11 May
)
29
2
11 May
12 May
13.
Woodpigeon
0
0
0
0
18
18
0
18
18 (
12 May
)
14
1
12 May
12 May
14.
Collared Dove
3
0
0
0
1
4
0
4
3 (
11 Jan
)
29
2
11 Jan
12 May
15.
Oystercatcher
0
0
0
0
9
9
9
0
9 (
12 May
)
14
1
12 May
12 May
16.
Lapwing
35
0
0
0
1
36
36
0
35 (
11 Jan
)
29
2
11 Jan
12 May
17.
Wood Sandpiper
0
0
0
0
4
4
0
4
4 (
12 May
)
14
1
12 May
12 May
18.
Common Tern
0
0
0
0
97
97
20
77
36 (
11 May
)
86
6
8 May
13 May
19.
Black-headed Gull
1
0
0
0
86
87
11
76
48 (
11 May
)
57
4
11 Jan
13 May
20.
Common Gull
34
0
0
0
2
36
30
6
34 (
11 Jan
)
29
2
11 Jan
12 May
21.
Herring Gull
9
0
0
0
3
12
9
3
9 (
11 Jan
)
29
2
11 Jan
8 May
22.
Lesser Black-backed Gull
0
0
0
0
28
28
0
28
27 (
8 May
)
29
2
8 May
9 May
23.
Gannet
0
0
0
0
1
1
0
1
1 (
11 May
)
14
1
11 May
11 May
24.
Cormorant
95
0
0
0
99
194
111
83
95 (
11 Jan
)
43
3
11 Jan
11 May
25.
Spoonbill
0
0
0
0
6
6
0
6
4 (
11 May
)
29
2
11 May
12 May
26.
Great White Egret
0
0
0
0
5
5
0
5
5 (
12 May
)
14
1
12 May
12 May
27.
Grey Heron
0
0
0
0
19
19
5
14
6 (
11 May
)
71
5
8 May
13 May
28.
Sparrowhawk
0
0
0
0
1
1
0
1
1 (
9 May
)
14
1
9 May
9 May
29.
Marsh Harrier
0
0
0
0
4
4
0
4
3 (
11 May
)
29
2
11 May
12 May
30.
Great Spotted Woodpecker
1
0
0
0
0
1
0
1
1 (
11 Jan
)
14
1
11 Jan
11 Jan
Species
Jan
Feb
Mar
Apr
May
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
31.
Kestrel
0
0
0
0
1
1
0
1
1 (
10 May
)
14
1
10 May
10 May
32.
Merlin
0
0
0
0
1
1
0
1
1 (
9 May
)
14
1
9 May
9 May
33.
Magpie
0
0
0
0
3
3
0
3
3 (
12 May
)
14
1
12 May
12 May
34.
Jackdaw
0
0
0
0
51
51
0
51
41 (
12 May
)
43
3
9 May
12 May
35.
Carrion Crow
2
0
0
0
0
2
1
1
2 (
11 Jan
)
14
1
11 Jan
11 Jan
36.
Sand Martin
0
0
0
0
8
8
1
7
3 (
11 May
)
57
4
8 May
11 May
37.
Swallow
0
0
0
0
254
254
4
250
91 (
13 May
)
86
6
8 May
13 May
38.
House Martin
0
0
0
0
12
12
0
12
8 (
10 May
)
43
3
10 May
13 May
39.
Chiffchaff/Willow Warbler
0
0
0
0
1
1
0
1
1 (
13 May
)
14
1
13 May
13 May
40.
Fieldfare
12
0
0
0
0
12
0
12
12 (
11 Jan
)
14
1
11 Jan
11 Jan
41.
Yellow wagtail sp.
0
0
0
0
10
10
0
10
9 (
12 May
)
29
2
11 May
12 May
42.
Meadow Pipit
1
0
0
0
1
2
1
1
1 (
11 Jan
)
29
2
11 Jan
11 May
43.
Hawfinch
0
0
0
0
2
2
2
0
2 (
12 May
)
14
1
12 May
12 May
44.
Linnet
0
0
0
0
10
10
8
2
8 (
10 May
)
29
2
10 May
11 May
45.
passerine sp.
1
0
0
0
0
1
0
1
1 (
11 Jan
)
14
1
11 Jan
11 Jan
Other species
Species
Jan
Feb
Mar
Apr
May
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
1.
Red Admiral
0
0
0
0
9
9
7
2
7 (
8 May
)
29
2
8 May
9 May
Species
Jan
Feb
Mar
Apr
May
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
Totals
377
0
0
0
984
1361
442
919
100
7
Observation hours
1:00
0:00
0:00
0:00
10:00
11:00
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