Trektellen
Nederlands (NL)
English (EN)
Français (FR)
Deutsch (DE)
Español (ES)
Dansk (DA)
Portuguesa (PT)
Česky (CZ)
български (BG)
Polski (PL)
American English (EN-US)
Français canadien (FR-CA)
עברי
English (scientific species)
Suomi (FI)
Svenska (SE)
Italiano (IT)
ภาษาไทย (TH)
Català (EC-CT)
eesti keel (ET)
lietuvių (LT)
Magyar (HU)
Login
Home
Remarkable
Analysis
Phenology
Record counts
Graph
Graph (combo)
Migration pattern (map)
Totals (date)
Totals (species)
Totals (species x migration site)
Totals by year (species)
Observation hours graph
Observation hours
Pictures & Documents
Pictures
Documents
Map
Contacts
Also present
all years
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2009
2008
2007
2006
2005
2004
2003
2002
2001
2000
1998
january
february
march
april
may
june
july
august
september
october
november
december
all months
spring
autumn
jan, feb & mar
apr, may & jun
jun, jul & aug
jul, aug & sep
aug, sep & oct
sep, oct & nov
oct, nov & dec
jan & feb
feb & mar
mar & apr
apr & may
may & jun
jun & jul
jul & aug
aug & sep
sep & oct
oct & nov
nov & dec
dec & jan
Totals Jacobssteeg, De Bilt 2025
Species
Feb
Mar
Apr
May
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
1.
Barnacle Goose
1
110
0
1
112
1
111
110 (
19 Mar
)
18
3
21 Feb
1 May
2.
Greylag Goose
8
24
3
0
35
3
32
19 (
8 Mar
)
24
4
21 Feb
5 Apr
3.
goose sp.
0
50
4
0
54
0
54
50 (
19 Mar
)
12
2
19 Mar
5 Apr
4.
Eurasian White-fronted Goose
33
130
0
0
163
33
130
91 (
23 Mar
)
18
3
21 Feb
24 Mar
5.
Egyptian Goose
0
2
0
0
2
0
2
2 (
8 Mar
)
6
1
8 Mar
8 Mar
6.
Swift
0
0
0
2
2
0
2
2 (
1 May
)
6
1
1 May
1 May
7.
Cuckoo
0
0
1
1
2
0
2
1 (
25 Apr
)
12
2
25 Apr
1 May
8.
Stock Dove
9
27
10
0
46
7
39
15 (
8 Mar
)
53
9
21 Feb
5 Apr
9.
Woodpigeon
207
592
80
0
879
4
875
253 (
1 Mar
)
76
13
21 Feb
26 Apr
10.
Collared Dove
0
1
0
0
1
0
1
1 (
29 Mar
)
6
1
29 Mar
29 Mar
11.
Lapwing
20
0
0
0
20
0
20
20 (
21 Feb
)
6
1
21 Feb
21 Feb
12.
Woodcock
0
1
0
0
1
0
1
1 (
8 Mar
)
6
1
8 Mar
8 Mar
13.
Green Sandpiper
0
0
2
1
3
0
3
2 (
5 Apr
)
12
2
5 Apr
1 May
14.
Black-headed Gull
5
328
10
0
343
5
338
296 (
23 Mar
)
47
8
21 Feb
5 Apr
15.
Common Gull
3
2
0
0
5
0
5
3 (
21 Feb
)
18
3
21 Feb
24 Mar
16.
Lesser Black-backed Gull
2
46
32
0
80
0
80
25 (
5 Apr
)
53
9
28 Feb
5 Apr
17.
large gull sp.
0
50
0
0
50
0
50
50 (
19 Mar
)
6
1
19 Mar
19 Mar
18.
White Stork
0
3
1
0
4
0
4
2 (
24 Mar
)
18
3
19 Mar
3 Apr
19.
Cormorant
1
96
10
0
107
2
105
51 (
23 Mar
)
41
7
21 Feb
5 Apr
20.
Great White Egret
0
1
0
0
1
0
1
1 (
23 Mar
)
6
1
23 Mar
23 Mar
21.
Grey Heron
4
11
5
0
20
0
20
8 (
23 Mar
)
24
4
19 Feb
5 Apr
22.
Sparrowhawk
0
3
1
0
4
0
4
1 (
19 Mar
)
24
4
19 Mar
5 Apr
23.
Marsh Harrier
0
4
2
0
6
0
6
3 (
23 Mar
)
18
3
22 Mar
5 Apr
24.
Hen Harrier
0
2
0
0
2
0
2
1 (
19 Mar
)
12
2
19 Mar
23 Mar
25.
harrier sp.
0
1
0
0
1
0
1
1 (
19 Mar
)
6
1
19 Mar
19 Mar
26.
Common Buzzard
0
2
2
0
4
0
4
2 (
19 Mar
)
18
3
19 Mar
26 Apr
27.
Great Spotted Woodpecker
0
2
0
0
2
0
2
2 (
22 Mar
)
6
1
22 Mar
22 Mar
28.
Merlin
0
1
3
0
4
0
4
3 (
5 Apr
)
12
2
22 Mar
5 Apr
29.
Hobby
0
0
2
0
2
0
2
2 (
25 Apr
)
6
1
25 Apr
25 Apr
30.
Rose-ringed Parakeet
0
3
0
0
3
0
3
3 (
23 Mar
)
6
1
23 Mar
23 Mar
Species
Feb
Mar
Apr
May
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
31.
Magpie
0
1
0
0
1
0
1
1 (
8 Mar
)
6
1
8 Mar
8 Mar
32.
Jackdaw
2
13
1
0
16
0
16
9 (
8 Mar
)
24
4
21 Feb
1 Apr
33.
Carrion Crow
0
15
6
0
21
0
21
7 (
8 Mar
)
24
4
8 Mar
5 Apr
34.
Blue Tit
1
3
4
0
8
0
8
4 (
3 Apr
)
18
3
28 Feb
3 Apr
35.
Skylark
7
0
1
0
8
0
8
7 (
21 Feb
)
12
2
21 Feb
5 Apr
36.
Swallow
0
1
9
12
22
1
21
12 (
1 May
)
29
5
22 Mar
1 May
37.
House Martin
0
0
1
0
1
0
1
1 (
5 Apr
)
6
1
5 Apr
5 Apr
38.
Chiffchaff
1
2
0
0
3
0
3
1 (
28 Feb
)
18
3
28 Feb
19 Mar
39.
Starling
26
194
23
0
243
0
243
78 (
8 Mar
)
53
9
21 Feb
5 Apr
40.
Song Thrush
0
2
2
0
4
0
4
2 (
24 Mar
)
12
2
24 Mar
5 Apr
41.
Mistle Thrush
0
3
0
0
3
0
3
2 (
8 Mar
)
12
2
8 Mar
22 Mar
42.
Redwing
3
488
0
0
491
3
488
470 (
22 Mar
)
35
6
7 Feb
29 Mar
43.
Fieldfare
0
27
0
0
27
0
27
12 (
1 Mar
)
24
4
1 Mar
24 Mar
44.
thrush sp.
3
2
4
0
9
3
6
4 (
5 Apr
)
18
3
21 Feb
5 Apr
45.
Stonechat
0
1
0
0
1
0
1
1 (
24 Mar
)
6
1
24 Mar
24 Mar
46.
Blue-headed Wagtail
0
0
2
0
2
0
2
1 (
3 Apr
)
12
2
3 Apr
26 Apr
47.
White Wagtail
3
15
7
1
26
0
26
7 (
5 Apr
)
53
9
28 Feb
1 May
48.
Meadow Pipit
1
14
135
0
150
0
150
129 (
5 Apr
)
47
8
28 Feb
5 Apr
49.
Chaffinch
9
366
1
0
376
0
376
297 (
8 Mar
)
53
9
21 Feb
1 Apr
50.
Brambling
0
1
0
0
1
0
1
1 (
24 Mar
)
6
1
24 Mar
24 Mar
51.
Hawfinch
0
4
0
0
4
0
4
2 (
23 Mar
)
18
3
8 Mar
23 Mar
52.
Bullfinch
0
2
0
0
2
0
2
2 (
8 Mar
)
6
1
8 Mar
8 Mar
53.
Goldfinch
0
30
2
0
32
2
30
21 (
19 Mar
)
29
5
8 Mar
5 Apr
54.
Siskin
5
5
0
0
10
5
5
5 (
28 Feb
)
18
3
28 Feb
8 Mar
55.
Reed Bunting
0
2
0
0
2
0
2
2 (
24 Mar
)
6
1
24 Mar
24 Mar
Other species
Species
Feb
Mar
Apr
May
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
1.
Bumblebee sp.
0
1
0
0
1
0
1
1 (
24 Mar
)
6
1
24 Mar
24 Mar
Species
Feb
Mar
Apr
May
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
Totals
354
2684
366
18
3422
69
3353
100
17
Observation hours
4:30
16:33
7:37
1:30
30:10
This page is created on 2025/05/09 14:01:38 and will be cached for 2 minutes.
Partners
Sponsored by