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Totals Jacobssteeg, De Bilt 2025
Species
Feb
Mar
Apr
May
Jun
Jul
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
1.
Barnacle Goose
1
110
0
1
0
0
112
1
111
110 (
19 Mar
)
17
3
21 Feb
1 May
2.
Greylag Goose
8
24
3
0
0
2
37
4
33
19 (
8 Mar
)
28
5
21 Feb
3 Jul
3.
goose sp.
0
50
4
0
0
0
54
0
54
50 (
19 Mar
)
11
2
19 Mar
5 Apr
4.
Eurasian White-fronted Goose
33
130
0
0
0
0
163
33
130
91 (
23 Mar
)
17
3
21 Feb
24 Mar
5.
Egyptian Goose
0
2
0
0
0
0
2
0
2
2 (
8 Mar
)
6
1
8 Mar
8 Mar
6.
duck sp.
0
0
0
0
0
3
3
3
0
3 (
3 Jul
)
6
1
3 Jul
3 Jul
7.
Swift
0
0
0
2
0
16
18
16
2
16 (
3 Jul
)
11
2
1 May
3 Jul
8.
Cuckoo
0
0
1
1
0
0
2
0
2
1 (
25 Apr
)
11
2
25 Apr
1 May
9.
Stock Dove
9
27
10
0
0
5
51
9
42
15 (
8 Mar
)
56
10
21 Feb
3 Jul
10.
Woodpigeon
207
592
80
0
0
0
879
4
875
253 (
1 Mar
)
72
13
21 Feb
26 Apr
11.
Collared Dove
0
1
0
0
0
0
1
0
1
1 (
29 Mar
)
6
1
29 Mar
29 Mar
12.
Lapwing
20
0
0
0
0
0
20
0
20
20 (
21 Feb
)
6
1
21 Feb
21 Feb
13.
Woodcock
0
1
0
0
0
0
1
0
1
1 (
8 Mar
)
6
1
8 Mar
8 Mar
14.
Green Sandpiper
0
0
2
1
0
0
3
0
3
2 (
5 Apr
)
11
2
5 Apr
1 May
15.
Common Tern
0
0
0
0
0
1
1
0
1
1 (
3 Jul
)
6
1
3 Jul
3 Jul
16.
Black-headed Gull
5
328
10
0
0
0
343
5
338
296 (
23 Mar
)
44
8
21 Feb
5 Apr
17.
Common Gull
3
2
0
0
0
0
5
0
5
3 (
21 Feb
)
17
3
21 Feb
24 Mar
18.
Lesser Black-backed Gull
2
46
32
0
0
0
80
0
80
25 (
5 Apr
)
50
9
28 Feb
5 Apr
19.
large gull sp.
0
50
0
0
0
0
50
0
50
50 (
19 Mar
)
6
1
19 Mar
19 Mar
20.
White Stork
0
3
1
0
0
0
4
0
4
2 (
24 Mar
)
17
3
19 Mar
3 Apr
21.
Cormorant
1
96
10
0
0
2
109
4
105
51 (
23 Mar
)
44
8
21 Feb
3 Jul
22.
Great White Egret
0
1
0
0
0
0
1
0
1
1 (
23 Mar
)
6
1
23 Mar
23 Mar
23.
Grey Heron
4
11
5
0
0
0
20
0
20
8 (
23 Mar
)
22
4
19 Feb
5 Apr
24.
Sparrowhawk
0
3
1
0
0
0
4
0
4
1 (
19 Mar
)
22
4
19 Mar
5 Apr
25.
Marsh Harrier
0
4
2
0
0
0
6
0
6
3 (
23 Mar
)
17
3
22 Mar
5 Apr
26.
Hen Harrier
0
2
0
0
0
0
2
0
2
1 (
19 Mar
)
11
2
19 Mar
23 Mar
27.
harrier sp.
0
1
0
0
0
0
1
0
1
1 (
19 Mar
)
6
1
19 Mar
19 Mar
28.
Common Buzzard
0
2
2
0
0
1
5
1
4
2 (
19 Mar
)
22
4
19 Mar
3 Jul
29.
Lesser Spotted Woodpecker
0
0
0
0
0
1
1
1
0
1 (
3 Jul
)
6
1
3 Jul
3 Jul
30.
Great Spotted Woodpecker
0
2
0
0
0
0
2
0
2
2 (
22 Mar
)
6
1
22 Mar
22 Mar
Species
Feb
Mar
Apr
May
Jun
Jul
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
31.
Kestrel
0
0
0
0
0
1
1
1
0
1 (
3 Jul
)
6
1
3 Jul
3 Jul
32.
Merlin
0
1
3
0
0
0
4
0
4
3 (
5 Apr
)
11
2
22 Mar
5 Apr
33.
Hobby
0
0
2
0
0
0
2
0
2
2 (
25 Apr
)
6
1
25 Apr
25 Apr
34.
Rose-ringed Parakeet
0
3
0
0
0
0
3
0
3
3 (
23 Mar
)
6
1
23 Mar
23 Mar
35.
Magpie
0
1
0
0
0
0
1
0
1
1 (
8 Mar
)
6
1
8 Mar
8 Mar
36.
Jackdaw
2
13
1
0
0
0
16
0
16
9 (
8 Mar
)
22
4
21 Feb
1 Apr
37.
Carrion Crow
0
15
6
0
0
0
21
0
21
7 (
8 Mar
)
22
4
8 Mar
5 Apr
38.
Blue Tit
1
3
4
0
0
0
8
0
8
4 (
3 Apr
)
17
3
28 Feb
3 Apr
39.
Skylark
7
0
1
0
0
0
8
0
8
7 (
21 Feb
)
11
2
21 Feb
5 Apr
40.
Swallow
0
1
9
12
0
0
22
1
21
12 (
1 May
)
28
5
22 Mar
1 May
41.
House Martin
0
0
1
0
0
0
1
0
1
1 (
5 Apr
)
6
1
5 Apr
5 Apr
42.
Chiffchaff
1
2
0
0
0
0
3
0
3
1 (
28 Feb
)
17
3
28 Feb
19 Mar
43.
Starling
26
194
23
0
0
0
243
0
243
78 (
8 Mar
)
50
9
21 Feb
5 Apr
44.
Song Thrush
0
2
2
0
0
0
4
0
4
2 (
24 Mar
)
11
2
24 Mar
5 Apr
45.
Mistle Thrush
0
3
0
0
0
0
3
0
3
2 (
8 Mar
)
11
2
8 Mar
22 Mar
46.
Redwing
3
488
0
0
0
0
491
3
488
470 (
22 Mar
)
33
6
7 Feb
29 Mar
47.
Fieldfare
0
27
0
0
0
0
27
0
27
12 (
1 Mar
)
22
4
1 Mar
24 Mar
48.
thrush sp.
3
2
4
0
0
0
9
3
6
4 (
5 Apr
)
17
3
21 Feb
5 Apr
49.
Stonechat
0
1
0
0
0
0
1
0
1
1 (
24 Mar
)
6
1
24 Mar
24 Mar
50.
Blue-headed Wagtail
0
0
2
0
0
0
2
0
2
1 (
3 Apr
)
11
2
3 Apr
26 Apr
51.
White Wagtail
3
15
7
1
0
0
26
0
26
7 (
5 Apr
)
50
9
28 Feb
1 May
52.
Meadow Pipit
1
14
135
0
0
0
150
0
150
129 (
5 Apr
)
44
8
28 Feb
5 Apr
53.
Chaffinch
9
366
1
0
0
0
376
0
376
297 (
8 Mar
)
50
9
21 Feb
1 Apr
54.
Brambling
0
1
0
0
0
0
1
0
1
1 (
24 Mar
)
6
1
24 Mar
24 Mar
55.
Hawfinch
0
4
0
0
0
0
4
0
4
2 (
23 Mar
)
17
3
8 Mar
23 Mar
56.
Bullfinch
0
2
0
0
0
0
2
0
2
2 (
8 Mar
)
6
1
8 Mar
8 Mar
57.
Goldfinch
0
30
2
0
0
0
32
2
30
21 (
19 Mar
)
28
5
8 Mar
5 Apr
58.
Siskin
5
5
0
0
0
0
10
5
5
5 (
28 Feb
)
17
3
28 Feb
8 Mar
59.
Reed Bunting
0
2
0
0
0
0
2
0
2
2 (
24 Mar
)
6
1
24 Mar
24 Mar
Other species
Species
Feb
Mar
Apr
May
Jun
Jul
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
1.
Bumblebee sp.
0
1
0
0
0
0
1
0
1
1 (
24 Mar
)
6
1
24 Mar
24 Mar
Species
Feb
Mar
Apr
May
Jun
Jul
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
Totals
354
2684
366
18
0
32
3454
96
3358
100
18
Observation hours
4:30
16:33
7:37
1:30
0:00
1:40
31:50
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