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
Abcoude A2 (nacht)
Totals 2020 -
Year
all years
2025
2024
2023
2022
2021
2020
2019
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
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Totals
Maximum
Presence
(%)
Presence
(days)
First
Last
1.
Canada Goose
0
0
6
0
0
4
4
5
19
6 (
3 Jun
)
4
6
3 Jun
3 Nov
2.
Barnacle Goose
50
10
0
0
0
0
0
10
70
30 (
24 Apr
)
2
4
24 Apr
30 Nov
3.
Greylag Goose
0
0
6
19
31
37
16
5
114
10 (
17 Jul
)
17
27
3 Jun
12 Nov
4.
Eurasian White-fronted Goose
0
0
0
0
0
0
58
16
74
15 (
23 Oct
)
10
17
3 Oct
30 Nov
5.
Gadwall
0
0
2
0
5
9
18
3
37
3 (
25 Aug
)
10
17
3 Jun
3 Nov
6.
Wigeon
0
0
0
0
0
17
76
2
95
31 (
2 Oct
)
16
26
17 Sep
5 Nov
7.
Mallard
1
0
3
2
0
6
8
0
20
2 (
28 Sep
)
10
17
27 Apr
17 Oct
8.
Teal
0
0
1
0
0
0
0
0
1
1 (
16 Jun
)
1
1
16 Jun
16 Jun
9.
Quail
0
0
0
1
0
0
0
0
1
1 (
2 Jul
)
1
2
17 Jun
2 Jul
10.
Water Rail
0
0
9
5
3
2
0
0
19
2 (
26 Jun
)
10
17
4 Jun
20 Sep
11.
Moorhen
0
0
1
3
1
3
1
0
9
1 (
22 Jun
)
6
10
22 Jun
17 Oct
12.
Coot
1
4
8
1
0
3
0
0
17
2 (
14 Jun
)
10
16
24 Apr
17 Sep
13.
Little Grebe
0
0
0
1
2
1
0
0
4
1 (
27 Jul
)
2
4
27 Jul
24 Sep
14.
Oystercatcher
0
0
3
16
4
0
0
0
23
2 (
20 Jul
)
12
20
24 Jun
26 Aug
15.
Avocet
0
0
2
0
0
0
0
0
2
2 (
5 Jun
)
1
1
5 Jun
5 Jun
16.
Grey Plover
0
0
0
0
4
2
0
0
6
2 (
25 Aug
)
3
5
25 Aug
18 Sep
17.
Golden Plover
1
0
0
0
5
3
0
0
9
1 (
27 Apr
)
6
9
27 Apr
29 Sep
18.
Ringed Plover
0
0
0
2
1
2
0
0
5
2 (
31 Jul
)
2
4
31 Jul
10 Sep
19.
Little Ringed Plover
0
1
6
9
1
0
0
0
17
2 (
15 Jun
)
10
16
16 May
2 Aug
20.
Lapwing
0
0
2
8
8
4
0
0
22
2 (
3 Aug
)
13
21
24 Jun
27 Sep
21.
Whimbrel
1
1
0
7
3
0
0
0
12
2 (
19 Jul
)
6
9
24 Apr
27 Aug
22.
Curlew
1
0
6
15
1
0
1
0
24
6 (
9 Jul
)
9
15
27 Apr
12 Oct
23.
Snipe
0
0
0
0
2
2
10
4
18
2 (
9 Oct
)
9
14
9 Aug
30 Nov
24.
Common Sandpiper
3
3
0
28
68
7
0
0
109
7 (
18 Jul
)
33
54
27 Apr
29 Sep
25.
Green Sandpiper
0
0
0
7
6
2
0
0
15
2 (
9 Aug
)
8
13
2 Jul
2 Sep
26.
Wood Sandpiper
0
0
0
0
1
0
0
0
1
1 (
26 Aug
)
1
1
26 Aug
26 Aug
27.
Redshank
0
0
5
2
13
2
0
0
22
10 (
14 Aug
)
7
11
3 Jun
10 Sep
28.
Greenshank
1
0
0
1
6
0
0
0
8
6 (
16 Aug
)
2
3
30 Apr
16 Aug
29.
Caspian Tern
0
0
0
0
2
0
0
0
2
2 (
31 Aug
)
1
1
31 Aug
31 Aug
30.
Common Tern
0
0
0
1
1
0
0
0
2
1 (
3 Jul
)
1
2
3 Jul
1 Aug
Species
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Totals
Maximum
Presence
(%)
Presence
(days)
First
Last
31.
Black-headed Gull
0
0
0
5
0
0
1
0
6
2 (
13 Jul
)
3
5
12 Jul
14 Oct
32.
Lesser Black-backed Gull
0
0
0
0
2
0
0
0
2
2 (
9 Aug
)
1
1
9 Aug
9 Aug
33.
Bittern
0
1
0
0
0
2
1
0
4
1 (
21 May
)
2
4
21 May
4 Oct
34.
Little Bittern
0
0
0
0
1
0
0
0
1
1 (
17 Aug
)
1
1
17 Aug
17 Aug
35.
Grey Heron
0
0
12
7
23
15
7
0
64
2 (
17 Jun
)
32
52
3 Jun
16 Oct
36.
Barn Owl
0
0
1
2
0
2
5
2
12
1 (
11 Jun
)
7
12
11 Jun
30 Nov
37.
Long-eared Owl
0
0
1
0
0
0
0
0
1
1 (
14 Jun
)
1
1
14 Jun
14 Jun
38.
Tawny Owl
0
0
0
0
0
0
0
1
1
1 (
4 Nov
)
1
1
4 Nov
4 Nov
39.
Carrion Crow
0
0
0
0
0
0
1
0
1
1 (
27 Oct
)
1
1
27 Oct
27 Oct
40.
Raven
0
1
0
0
0
0
0
0
1
1 (
3 May
)
1
1
3 May
3 May
41.
Skylark
0
0
0
0
0
1
2
0
3
2 (
14 Oct
)
1
2
21 Sep
14 Oct
42.
Swallow
0
0
1
1
1
0
0
0
3
1 (
15 Jun
)
2
3
15 Jun
23 Aug
43.
Goldcrest
0
0
0
0
0
0
1
1
2
1 (
13 Oct
)
1
2
13 Oct
6 Nov
44.
Song Thrush
0
0
1
1
4
227
416
3
652
179 (
1 Oct
)
30
48
5 Jun
30 Nov
45.
Redwing
0
0
0
0
0
29
202
26
257
135 (
12 Oct
)
23
38
18 Sep
30 Nov
46.
Blackbird
0
0
0
0
0
3
24
31
58
11 (
5 Nov
)
15
24
17 Sep
30 Nov
47.
Fieldfare
0
0
0
0
0
0
3
2
5
1 (
15 Oct
)
3
5
15 Oct
6 Nov
48.
Spotted Flycatcher
0
0
0
0
1
0
0
0
1
1 (
13 Aug
)
1
1
13 Aug
13 Aug
49.
Robin
0
0
0
0
0
13
52
0
65
24 (
14 Oct
)
17
28
3 Sep
23 Oct
50.
Blue-headed Wagtail
0
0
0
0
0
2
0
0
2
2 (
16 Sep
)
1
1
16 Sep
16 Sep
51.
Tree Pipit
0
0
0
0
0
3
0
0
3
2 (
30 Sep
)
1
2
17 Sep
30 Sep
52.
Ortolan Bunting
0
0
0
0
4
2
0
0
6
2 (
28 Aug
)
3
5
20 Aug
10 Sep
53.
Species unidentified
0
0
1
3
8
5
3
0
20
3 (
24 Aug
)
10
16
11 Jun
15 Oct
Species
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Totals
Maximum
Presence
(%)
Presence
(days)
First
Last
Totals
59
21
77
147
212
410
910
111
1947
1947
11331
100
162
Observation hours
32:29
63:13
114:01
182:12
218:29
208:30
229:28
90:20
1138:42
This page is created on 2025/11/26 17:23:53 and will be cached for 2 minutes.
Partners
Sponsored by