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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 Afsluitdijk, Den Oever 2026
Year
all years
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
2006
2005
2004
2003
2002
1992
1991
1990
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
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
1.
Dark-bellied Brent Goose
0
5
5
5
0
5 (
26 Feb
)
50
1
26 Feb
26 Feb
2.
Barnacle Goose
23
96
119
26
93
96 (
26 Feb
)
100
2
11 Jan
26 Feb
3.
Greylag Goose
17
59
76
9
67
59 (
26 Feb
)
100
2
11 Jan
26 Feb
4.
Anser sp.
0
126
126
0
126
126 (
26 Feb
)
50
1
26 Feb
26 Feb
5.
Tundra Bean Goose
4
0
4
0
4
4 (
11 Jan
)
50
1
11 Jan
11 Jan
6.
Eurasian White-fronted Goose
17
78
95
0
95
78 (
26 Feb
)
100
2
11 Jan
26 Feb
7.
swan sp.
3
0
3
0
3
3 (
11 Jan
)
50
1
11 Jan
11 Jan
8.
Egyptian Goose
1
0
1
0
1
1 (
11 Jan
)
50
1
11 Jan
11 Jan
9.
Shelduck
1
12
13
10
3
12 (
26 Feb
)
100
2
11 Jan
26 Feb
10.
Gadwall
0
6
6
0
6
6 (
26 Feb
)
50
1
26 Feb
26 Feb
11.
Wigeon
6
62
68
0
68
62 (
26 Feb
)
100
2
11 Jan
26 Feb
12.
Pintail
0
7
7
0
7
7 (
26 Feb
)
50
1
26 Feb
26 Feb
13.
Pochard
5
0
5
0
5
5 (
11 Jan
)
50
1
11 Jan
11 Jan
14.
Tufted Duck
0
10
10
0
10
10 (
26 Feb
)
50
1
26 Feb
26 Feb
15.
Goldeneye
1
0
1
0
1
1 (
11 Jan
)
50
1
11 Jan
11 Jan
16.
Smew
1
0
1
0
1
1 (
11 Jan
)
50
1
11 Jan
11 Jan
17.
Goosander
4
0
4
0
4
4 (
11 Jan
)
50
1
11 Jan
11 Jan
18.
Red-breasted Merganser
18
2
20
0
20
18 (
11 Jan
)
100
2
11 Jan
26 Feb
19.
Stock Dove
0
2
2
0
2
2 (
26 Feb
)
50
1
26 Feb
26 Feb
20.
Woodpigeon
0
12
12
0
12
12 (
26 Feb
)
50
1
26 Feb
26 Feb
21.
Oystercatcher
0
15
15
14
1
15 (
26 Feb
)
50
1
26 Feb
26 Feb
22.
Lapwing
0
2
2
0
2
2 (
26 Feb
)
50
1
26 Feb
26 Feb
23.
Curlew
10
1
11
0
11
10 (
11 Jan
)
100
2
11 Jan
26 Feb
24.
Black-headed Gull
21
108
129
0
129
108 (
26 Feb
)
100
2
11 Jan
26 Feb
25.
Common Gull
7
3
10
0
10
7 (
11 Jan
)
100
2
11 Jan
26 Feb
26.
Herring Gull
0
3
3
0
3
3 (
26 Feb
)
50
1
26 Feb
26 Feb
27.
Great Black-backed Gull
0
1
1
0
1
1 (
26 Feb
)
50
1
26 Feb
26 Feb
28.
White Stork
0
1
1
0
1
1 (
26 Feb
)
50
1
26 Feb
26 Feb
29.
Cormorant
13
0
13
0
13
13 (
11 Jan
)
50
1
11 Jan
11 Jan
30.
Great White Egret
0
2
2
0
2
2 (
26 Feb
)
50
1
26 Feb
26 Feb
Species
Jan
Feb
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
31.
Grey Heron
1
1
2
1
1
1 (
11 Jan
)
100
2
11 Jan
26 Feb
32.
Jackdaw
0
53
53
0
53
53 (
26 Feb
)
50
1
26 Feb
26 Feb
33.
Carrion Crow
0
3
3
1
2
3 (
26 Feb
)
50
1
26 Feb
26 Feb
34.
Blue Tit
0
1
1
0
1
1 (
26 Feb
)
50
1
26 Feb
26 Feb
35.
Skylark
0
3
3
0
3
3 (
26 Feb
)
50
1
26 Feb
26 Feb
36.
Starling
0
229
229
228
1
229 (
26 Feb
)
50
1
26 Feb
26 Feb
37.
Song Thrush
0
1
1
0
1
1 (
26 Feb
)
50
1
26 Feb
26 Feb
38.
White Wagtail
0
5
5
0
5
5 (
26 Feb
)
50
1
26 Feb
26 Feb
39.
Meadow Pipit
0
5
5
0
5
5 (
26 Feb
)
50
1
26 Feb
26 Feb
40.
Rock Pipit
0
1
1
0
1
1 (
26 Feb
)
50
1
26 Feb
26 Feb
41.
Linnet
0
3
3
0
3
3 (
26 Feb
)
50
1
26 Feb
26 Feb
Species
Jan
Feb
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
Totals
153
918
1071
294
777
100
2
Observation hours
1:00
3:02
4:02
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