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Totals Jacobssteeg, De Bilt 2025
Species
Feb
Mar
Apr
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
1.
Barnacle Goose
1
110
0
111
1
110
110 (
19 Mar
)
13
2
21 Feb
19 Mar
2.
Greylag Goose
8
24
3
35
3
32
19 (
8 Mar
)
25
4
21 Feb
5 Apr
3.
goose sp.
0
50
4
54
0
54
50 (
19 Mar
)
13
2
19 Mar
5 Apr
4.
Eurasian White-fronted Goose
33
130
0
163
33
130
91 (
23 Mar
)
19
3
21 Feb
24 Mar
5.
Egyptian Goose
0
2
0
2
0
2
2 (
8 Mar
)
6
1
8 Mar
8 Mar
6.
Cuckoo
0
0
1
1
0
1
1 (
25 Apr
)
6
1
25 Apr
25 Apr
7.
Stock Dove
9
27
10
46
7
39
15 (
8 Mar
)
56
9
21 Feb
5 Apr
8.
Woodpigeon
207
592
80
879
4
875
253 (
1 Mar
)
81
13
21 Feb
26 Apr
9.
Collared Dove
0
1
0
1
0
1
1 (
29 Mar
)
6
1
29 Mar
29 Mar
10.
Lapwing
20
0
0
20
0
20
20 (
21 Feb
)
6
1
21 Feb
21 Feb
11.
Woodcock
0
1
0
1
0
1
1 (
8 Mar
)
6
1
8 Mar
8 Mar
12.
Green Sandpiper
0
0
2
2
0
2
2 (
5 Apr
)
6
1
5 Apr
5 Apr
13.
Black-headed Gull
5
328
10
343
5
338
296 (
23 Mar
)
50
8
21 Feb
5 Apr
14.
Common Gull
3
2
0
5
0
5
3 (
21 Feb
)
19
3
21 Feb
24 Mar
15.
Lesser Black-backed Gull
2
46
32
80
0
80
25 (
5 Apr
)
56
9
28 Feb
5 Apr
16.
large gull sp.
0
50
0
50
0
50
50 (
19 Mar
)
6
1
19 Mar
19 Mar
17.
White Stork
0
3
1
4
0
4
2 (
24 Mar
)
19
3
19 Mar
3 Apr
18.
Cormorant
1
96
10
107
2
105
51 (
23 Mar
)
44
7
21 Feb
5 Apr
19.
Great White Egret
0
1
0
1
0
1
1 (
23 Mar
)
6
1
23 Mar
23 Mar
20.
Grey Heron
4
11
5
20
0
20
8 (
23 Mar
)
25
4
19 Feb
5 Apr
21.
Sparrowhawk
0
3
1
4
0
4
1 (
19 Mar
)
25
4
19 Mar
5 Apr
22.
Marsh Harrier
0
4
2
6
0
6
3 (
23 Mar
)
19
3
22 Mar
5 Apr
23.
Hen Harrier
0
2
0
2
0
2
1 (
19 Mar
)
13
2
19 Mar
23 Mar
24.
harrier sp.
0
1
0
1
0
1
1 (
19 Mar
)
6
1
19 Mar
19 Mar
25.
Common Buzzard
0
2
2
4
0
4
2 (
19 Mar
)
19
3
19 Mar
26 Apr
26.
Great Spotted Woodpecker
0
2
0
2
0
2
2 (
22 Mar
)
6
1
22 Mar
22 Mar
27.
Merlin
0
1
3
4
0
4
3 (
5 Apr
)
13
2
22 Mar
5 Apr
28.
Hobby
0
0
2
2
0
2
2 (
25 Apr
)
6
1
25 Apr
25 Apr
29.
Rose-ringed Parakeet
0
3
0
3
0
3
3 (
23 Mar
)
6
1
23 Mar
23 Mar
30.
Magpie
0
1
0
1
0
1
1 (
8 Mar
)
6
1
8 Mar
8 Mar
Species
Feb
Mar
Apr
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
31.
Jackdaw
2
13
1
16
0
16
9 (
8 Mar
)
25
4
21 Feb
1 Apr
32.
Carrion Crow
0
15
6
21
0
21
7 (
8 Mar
)
25
4
8 Mar
5 Apr
33.
Blue Tit
1
3
4
8
0
8
4 (
3 Apr
)
19
3
28 Feb
3 Apr
34.
Skylark
7
0
1
8
0
8
7 (
21 Feb
)
13
2
21 Feb
5 Apr
35.
Swallow
0
1
9
10
1
9
6 (
5 Apr
)
25
4
22 Mar
26 Apr
36.
House Martin
0
0
1
1
0
1
1 (
5 Apr
)
6
1
5 Apr
5 Apr
37.
Chiffchaff
1
2
0
3
0
3
1 (
28 Feb
)
19
3
28 Feb
19 Mar
38.
Starling
26
194
23
243
0
243
78 (
8 Mar
)
56
9
21 Feb
5 Apr
39.
Song Thrush
0
2
2
4
0
4
2 (
24 Mar
)
13
2
24 Mar
5 Apr
40.
Mistle Thrush
0
3
0
3
0
3
2 (
8 Mar
)
13
2
8 Mar
22 Mar
41.
Redwing
3
488
0
491
3
488
470 (
22 Mar
)
38
6
7 Feb
29 Mar
42.
Fieldfare
0
27
0
27
0
27
12 (
1 Mar
)
25
4
1 Mar
24 Mar
43.
thrush sp.
3
2
4
9
3
6
4 (
5 Apr
)
19
3
21 Feb
5 Apr
44.
Stonechat
0
1
0
1
0
1
1 (
24 Mar
)
6
1
24 Mar
24 Mar
45.
Blue-headed Wagtail
0
0
2
2
0
2
1 (
3 Apr
)
13
2
3 Apr
26 Apr
46.
White Wagtail
3
15
7
25
0
25
7 (
5 Apr
)
50
8
28 Feb
5 Apr
47.
Meadow Pipit
1
14
135
150
0
150
129 (
5 Apr
)
50
8
28 Feb
5 Apr
48.
Chaffinch
9
366
1
376
0
376
297 (
8 Mar
)
56
9
21 Feb
1 Apr
49.
Brambling
0
1
0
1
0
1
1 (
24 Mar
)
6
1
24 Mar
24 Mar
50.
Hawfinch
0
4
0
4
0
4
2 (
23 Mar
)
19
3
8 Mar
23 Mar
51.
Bullfinch
0
2
0
2
0
2
2 (
8 Mar
)
6
1
8 Mar
8 Mar
52.
Goldfinch
0
30
2
32
2
30
21 (
19 Mar
)
31
5
8 Mar
5 Apr
53.
Siskin
5
5
0
10
5
5
5 (
28 Feb
)
19
3
28 Feb
8 Mar
54.
Reed Bunting
0
2
0
2
0
2
2 (
24 Mar
)
6
1
24 Mar
24 Mar
Other species
Species
Feb
Mar
Apr
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
1.
Bumblebee sp.
0
1
0
1
0
1
1 (
24 Mar
)
6
1
24 Mar
24 Mar
Species
Feb
Mar
Apr
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
Totals
354
2684
366
3404
69
3335
100
16
Observation hours
4:30
16:33
7:37
28:40
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