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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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Herwijnen (nacht)
Totals 2026 -
Year
all years
2026
2025
2024
2023
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
individuals
individuals + calls
calls
Also present
Species
Jan
Feb
Mar
Totals
Maximum
Presence
(%)
Presence
(days)
First
Last
1.
Greylag Goose
0
1
0
1
1 (
10 Feb
)
10
1
10 Feb
10 Feb
2.
Gadwall
0
16
5
21
10 (
10 Feb
)
40
4
10 Feb
8 Mar
3.
Wigeon
15
6
5
26
15 (
15 Jan
)
40
4
15 Jan
8 Mar
4.
Teal
0
5
0
5
3 (
18 Feb
)
30
3
10 Feb
25 Feb
5.
Water Rail
0
0
2
2
2 (
8 Mar
)
10
1
8 Mar
8 Mar
6.
Crane
0
13
0
13
13 (
25 Feb
)
10
1
25 Feb
25 Feb
7.
Golden Plover
0
1
2
3
2 (
8 Mar
)
20
2
25 Feb
8 Mar
8.
Curlew
2
15
0
17
6 (
10 Feb
)
40
4
15 Jan
25 Feb
9.
Bittern
0
1
0
1
1 (
10 Feb
)
10
1
10 Feb
10 Feb
10.
Grey Heron
3
8
0
11
7 (
25 Feb
)
30
3
15 Jan
25 Feb
11.
Barn Owl
0
1
0
1
1 (
25 Feb
)
30
3
15 Jan
25 Feb
12.
Long-eared Owl
1
0
0
1
1 (
15 Jan
)
10
1
15 Jan
15 Jan
13.
Skylark
0
5
0
5
5 (
25 Feb
)
10
1
25 Feb
25 Feb
14.
Chiffchaff
0
0
1
1
1 (
8 Mar
)
10
1
8 Mar
8 Mar
15.
Song Thrush
2
95
2
99
92 (
25 Feb
)
40
4
15 Jan
8 Mar
16.
Redwing
28
58
1
87
58 (
25 Feb
)
30
3
15 Jan
8 Mar
17.
Blackbird
2
12
0
14
12 (
25 Feb
)
20
2
15 Jan
25 Feb
18.
Robin
0
1
0
1
1 (
25 Feb
)
10
1
25 Feb
25 Feb
19.
Blue-headed Wagtail
0
1
0
1
1 (
25 Feb
)
10
1
25 Feb
25 Feb
20.
Species unidentified
0
0
1
1
1 (
8 Mar
)
10
1
8 Mar
8 Mar
Species
Jan
Feb
Mar
Totals
Maximum
Presence
(%)
Presence
(days)
First
Last
Totals
53
239
19
311
311
223
100
10
Observation hours
12:00
28:36
8:23
48:59
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