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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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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
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
1.
Barnacle Goose
164
164
164
0
152 (
6 Jan
)
100
3
6 Jan
11 Jan
2.
Greylag Goose
162
162
162
0
126 (
10 Jan
)
100
3
6 Jan
11 Jan
3.
Tundra Bean Goose
152
152
152
0
111 (
11 Jan
)
100
3
6 Jan
11 Jan
4.
Eurasian White-fronted Goose
1336
1336
1336
0
703 (
10 Jan
)
100
3
6 Jan
11 Jan
5.
Bewick's Swan
16
16
16
0
16 (
10 Jan
)
33
1
10 Jan
10 Jan
6.
Egyptian Goose
17
17
17
0
10 (
6 Jan
)
67
2
6 Jan
10 Jan
7.
Gadwall
17
17
17
0
17 (
10 Jan
)
33
1
10 Jan
10 Jan
8.
Wigeon
6
6
6
0
6 (
10 Jan
)
33
1
10 Jan
10 Jan
9.
Mallard
72
72
72
0
72 (
10 Jan
)
33
1
10 Jan
10 Jan
10.
Pintail
3
3
3
0
3 (
10 Jan
)
33
1
10 Jan
10 Jan
11.
duck sp.
6
6
6
0
6 (
10 Jan
)
33
1
10 Jan
10 Jan
12.
Goosander
4
4
4
0
4 (
10 Jan
)
33
1
10 Jan
10 Jan
13.
Stock Dove
5
5
5
0
2 (
10 Jan
)
100
3
6 Jan
11 Jan
14.
Woodpigeon
21
21
21
0
11 (
10 Jan
)
100
3
6 Jan
11 Jan
15.
Lapwing
420
420
420
0
362 (
10 Jan
)
67
2
6 Jan
10 Jan
16.
Snipe
2
2
2
0
2 (
10 Jan
)
33
1
10 Jan
10 Jan
17.
Green Sandpiper
1
1
1
0
1 (
11 Jan
)
33
1
11 Jan
11 Jan
18.
Black-headed Gull
7
7
7
0
5 (
11 Jan
)
67
2
10 Jan
11 Jan
19.
Common Gull
25
25
25
0
15 (
10 Jan
)
100
3
6 Jan
11 Jan
20.
Herring Gull
4
4
0
4
4 (
10 Jan
)
33
1
10 Jan
10 Jan
21.
White Stork
4
4
4
0
4 (
10 Jan
)
33
1
10 Jan
10 Jan
22.
Cormorant
3
3
3
0
2 (
11 Jan
)
67
2
10 Jan
11 Jan
23.
Great White Egret
29
29
29
0
28 (
10 Jan
)
67
2
10 Jan
11 Jan
24.
Grey Heron
35
35
35
0
35 (
10 Jan
)
33
1
10 Jan
10 Jan
25.
Hen Harrier
4
4
4
0
3 (
10 Jan
)
67
2
10 Jan
11 Jan
26.
Common Buzzard
3
3
3
0
3 (
10 Jan
)
33
1
10 Jan
10 Jan
27.
Great Spotted Woodpecker
8
8
8
0
4 (
11 Jan
)
100
3
6 Jan
11 Jan
28.
Jackdaw
2
2
2
0
1 (
6 Jan
)
67
2
6 Jan
11 Jan
29.
Blue Tit
3
3
3
0
2 (
10 Jan
)
67
2
10 Jan
11 Jan
30.
Wood Lark
1
1
1
0
1 (
6 Jan
)
33
1
6 Jan
6 Jan
Species
Jan
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
31.
Skylark
6
6
6
0
6 (
6 Jan
)
33
1
6 Jan
6 Jan
32.
Starling
3
3
3
0
2 (
11 Jan
)
67
2
10 Jan
11 Jan
33.
Mistle Thrush
1
1
1
0
1 (
10 Jan
)
33
1
10 Jan
10 Jan
34.
Redwing
111
111
111
0
102 (
10 Jan
)
100
3
6 Jan
11 Jan
35.
Blackbird
13
13
13
0
6 (
10 Jan
)
100
3
6 Jan
11 Jan
36.
Fieldfare
53
53
53
0
51 (
10 Jan
)
67
2
10 Jan
11 Jan
37.
Meadow Pipit
7
7
7
0
7 (
6 Jan
)
33
1
6 Jan
6 Jan
38.
Chaffinch
19
19
19
0
14 (
6 Jan
)
100
3
6 Jan
11 Jan
39.
Brambling
1
1
1
0
1 (
6 Jan
)
33
1
6 Jan
6 Jan
40.
Hawfinch
6
6
6
0
3 (
6 Jan
)
100
3
6 Jan
11 Jan
41.
Goldfinch
6
6
6
0
3 (
11 Jan
)
100
3
6 Jan
11 Jan
42.
Siskin
69
69
69
0
45 (
10 Jan
)
100
3
6 Jan
11 Jan
43.
Reed Bunting
2
2
2
0
1 (
6 Jan
)
67
2
6 Jan
11 Jan
Species
Jan
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
Totals
2829
2829
2825
4
100
3
Observation hours
11:25
11:25
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