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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
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Documents
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Contacts
Totals Heidestein (bij Zeist) 2026
Year
all years
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2011
2010
2005
2004
2003
Period
january
february
march
april
may
june
july
august
september
october
november
december
all months
spring
autumn
jan, feb & mar
feb, mar & apr
mar, apr & may
apr, may & jun
may, jun & jul
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
count-field
both directions
number N
number S
Also present
Species
Jan
Feb
Mar
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
1.
Barnacle Goose
164
485
3
652
171
481
403 (
23 Feb
)
100
8
6 Jan
2 Mar
2.
Greylag Goose
162
1219
7
1388
234
1154
642 (
26 Feb
)
100
8
6 Jan
2 Mar
3.
Anser sp.
0
71
0
71
0
71
71 (
25 Feb
)
13
1
25 Feb
25 Feb
4.
goose sp.
0
90
2
92
35
57
55 (
15 Feb
)
38
3
15 Feb
2 Mar
5.
Tundra Bean Goose
152
215
0
367
152
215
132 (
25 Feb
)
88
7
6 Jan
26 Feb
6.
Eurasian White-fronted Goose
1336
6037
14
7387
2161
5226
2645 (
25 Feb
)
100
8
6 Jan
2 Mar
7.
Mute Swan
0
1
0
1
0
1
1 (
26 Feb
)
13
1
26 Feb
26 Feb
8.
Bewick's Swan
16
0
0
16
16
0
16 (
10 Jan
)
13
1
10 Jan
10 Jan
9.
Egyptian Goose
17
16
0
33
32
1
10 (
6 Jan
)
63
5
6 Jan
26 Feb
10.
Shelduck
0
1
0
1
0
1
1 (
23 Feb
)
13
1
23 Feb
23 Feb
11.
Gadwall
17
0
0
17
17
0
17 (
10 Jan
)
13
1
10 Jan
10 Jan
12.
Wigeon
6
0
0
6
6
0
6 (
10 Jan
)
13
1
10 Jan
10 Jan
13.
Mallard
72
2
0
74
72
2
72 (
10 Jan
)
25
2
10 Jan
23 Feb
14.
Pintail
3
0
0
3
3
0
3 (
10 Jan
)
13
1
10 Jan
10 Jan
15.
duck sp.
6
0
0
6
6
0
6 (
10 Jan
)
13
1
10 Jan
10 Jan
16.
Goosander
4
0
0
4
4
0
4 (
10 Jan
)
13
1
10 Jan
10 Jan
17.
Stock Dove
5
53
4
62
9
53
32 (
23 Feb
)
88
7
6 Jan
2 Mar
18.
Woodpigeon
21
383
91
495
25
470
275 (
25 Feb
)
100
8
6 Jan
2 Mar
19.
Collared Dove
0
2
0
2
2
0
2 (
25 Feb
)
13
1
25 Feb
25 Feb
20.
Golden Plover
0
362
26
388
19
369
190 (
26 Feb
)
50
4
23 Feb
2 Mar
21.
Lapwing
420
2352
0
2772
423
2349
1570 (
23 Feb
)
63
5
6 Jan
26 Feb
22.
Curlew
0
3
0
3
0
3
2 (
23 Feb
)
25
2
23 Feb
25 Feb
23.
Black-tailed Godwit
0
7
0
7
0
7
6 (
23 Feb
)
25
2
23 Feb
26 Feb
24.
Snipe
2
3
0
5
5
0
3 (
25 Feb
)
25
2
10 Jan
25 Feb
25.
Green Sandpiper
1
0
0
1
1
0
1 (
11 Jan
)
13
1
11 Jan
11 Jan
26.
Ruff
0
1
0
1
0
1
1 (
23 Feb
)
13
1
23 Feb
23 Feb
27.
Black-headed Gull
7
420
59
486
49
437
352 (
25 Feb
)
63
5
10 Jan
2 Mar
28.
Common Gull
25
64
7
96
25
71
51 (
25 Feb
)
88
7
6 Jan
2 Mar
29.
Herring Gull
4
0
1
5
0
5
4 (
10 Jan
)
25
2
10 Jan
2 Mar
30.
Lesser Black-backed Gull
0
174
17
191
5
186
124 (
25 Feb
)
50
4
23 Feb
2 Mar
Species
Jan
Feb
Mar
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
31.
large gull sp.
0
4
0
4
1
3
2 (
23 Feb
)
38
3
15 Feb
26 Feb
32.
White Stork
4
10
1
15
4
11
5 (
26 Feb
)
63
5
10 Jan
2 Mar
33.
Cormorant
3
149
11
163
18
145
90 (
25 Feb
)
88
7
10 Jan
2 Mar
34.
Spoonbill
0
4
0
4
0
4
4 (
26 Feb
)
13
1
26 Feb
26 Feb
35.
Great White Egret
29
0
0
29
29
0
28 (
10 Jan
)
25
2
10 Jan
11 Jan
36.
Grey Heron
35
32
0
67
35
32
35 (
10 Jan
)
50
4
10 Jan
26 Feb
37.
Sparrowhawk
0
3
1
4
0
4
2 (
26 Feb
)
38
3
23 Feb
2 Mar
38.
Goshawk
0
1
0
1
0
1
1 (
25 Feb
)
13
1
25 Feb
25 Feb
39.
Hen Harrier
4
1
0
5
5
0
3 (
10 Jan
)
38
3
10 Jan
23 Feb
40.
Common Buzzard
3
17
0
20
3
17
14 (
25 Feb
)
38
3
10 Jan
25 Feb
41.
Great Spotted Woodpecker
8
2
0
10
8
2
4 (
11 Jan
)
63
5
6 Jan
26 Feb
42.
Kestrel
0
0
1
1
1
0
1 (
2 Mar
)
13
1
2 Mar
2 Mar
43.
Peregrine
0
6
0
6
2
4
3 (
23 Feb
)
50
4
15 Feb
26 Feb
44.
Jackdaw
2
102
25
129
2
127
79 (
26 Feb
)
88
7
6 Jan
2 Mar
45.
Corvus m. soemmerringii
0
1
0
1
0
1
1 (
15 Feb
)
13
1
15 Feb
15 Feb
46.
Carrion Crow
0
15
0
15
0
15
9 (
25 Feb
)
38
3
23 Feb
26 Feb
47.
Raven
0
11
1
12
11
1
11 (
23 Feb
)
25
2
23 Feb
2 Mar
48.
Blue Tit
3
147
10
160
3
157
109 (
26 Feb
)
75
6
10 Jan
2 Mar
49.
Great Tit
0
4
0
4
0
4
2 (
26 Feb
)
38
3
15 Feb
26 Feb
50.
Wood Lark
1
0
0
1
1
0
1 (
6 Jan
)
13
1
6 Jan
6 Jan
51.
Skylark
6
126
2
134
9
125
97 (
25 Feb
)
75
6
6 Jan
2 Mar
52.
Long-tailed Tit
0
3
0
3
0
3
2 (
26 Feb
)
25
2
25 Feb
26 Feb
53.
Starling
3
513
263
779
12
767
263 (
2 Mar
)
88
7
10 Jan
2 Mar
54.
Song Thrush
0
19
1
20
0
20
10 (
25 Feb
)
38
3
25 Feb
2 Mar
55.
Mistle Thrush
1
15
0
16
1
15
9 (
25 Feb
)
50
4
10 Jan
26 Feb
56.
Redwing
111
14
0
125
112
13
102 (
10 Jan
)
75
6
6 Jan
25 Feb
57.
Blackbird
13
1
0
14
13
1
6 (
10 Jan
)
50
4
6 Jan
25 Feb
58.
Fieldfare
53
102
1
156
105
51
56 (
15 Feb
)
75
6
10 Jan
2 Mar
59.
Black Redstart
0
1
0
1
0
1
1 (
25 Feb
)
13
1
25 Feb
25 Feb
60.
Stonechat
0
4
0
4
0
4
4 (
26 Feb
)
13
1
26 Feb
26 Feb
Species
Jan
Feb
Mar
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
61.
Dunnock
0
4
0
4
0
4
3 (
25 Feb
)
25
2
25 Feb
26 Feb
62.
Grey Wagtail
0
2
0
2
0
2
2 (
26 Feb
)
13
1
26 Feb
26 Feb
63.
White Wagtail
0
13
3
16
0
16
7 (
25 Feb
)
50
4
23 Feb
2 Mar
64.
alba wagtail sp.
0
2
0
2
0
2
2 (
25 Feb
)
13
1
25 Feb
25 Feb
65.
Meadow Pipit
7
30
5
42
7
35
11 (
23 Feb
)
75
6
6 Jan
2 Mar
66.
Chaffinch
19
865
173
1057
19
1038
591 (
25 Feb
)
100
8
6 Jan
2 Mar
67.
Brambling
1
11
4
16
1
15
6 (
26 Feb
)
50
4
6 Jan
2 Mar
68.
Hawfinch
6
20
5
31
6
25
10 (
26 Feb
)
88
7
6 Jan
2 Mar
69.
Greenfinch
0
5
0
5
0
5
3 (
26 Feb
)
25
2
15 Feb
26 Feb
70.
Linnet
0
5
0
5
0
5
4 (
26 Feb
)
25
2
25 Feb
26 Feb
71.
Redpoll
0
4
0
4
0
4
3 (
26 Feb
)
25
2
25 Feb
26 Feb
72.
Goldfinch
6
27
10
43
6
37
19 (
26 Feb
)
75
6
6 Jan
2 Mar
73.
Siskin
69
229
46
344
154
190
121 (
25 Feb
)
88
7
6 Jan
2 Mar
74.
Reed Bunting
2
42
4
48
2
46
21 (
25 Feb
)
75
6
6 Jan
2 Mar
Other species
Species
Jan
Feb
Mar
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
1.
Bumblebee sp.
0
17
0
17
0
17
14 (
25 Feb
)
25
2
25 Feb
26 Feb
Species
Jan
Feb
Mar
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
Totals
2829
14544
798
18171
4042
14129
100
8
Observation hours
11:25
25:59
4:00
41:24
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