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Remarkable
Analysis
Phenology
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Marly le Roi (78)
Totals 2025 - individuals
Species
Jan
Feb
Mar
Apr
May
Totals
Maximum
Presence
(%)
Presence
(days)
First
Last
1.
Canada Goose
0
0
2
0
0
2
2 (
17 Mar
)
1
1
17 Mar
17 Mar
2.
Mute Swan
0
1
0
0
0
1
1 (
20 Feb
)
1
1
20 Feb
20 Feb
3.
Shelduck
0
0
0
1
0
1
1 (
2 Apr
)
1
1
2 Apr
2 Apr
4.
Wigeon
0
0
1
0
0
1
1 (
28 Mar
)
1
1
28 Mar
28 Mar
5.
Mallard
0
0
2
0
0
2
1 (
5 Mar
)
2
3
6 Feb
6 Mar
6.
Pintail
0
0
2
0
0
2
1 (
12 Mar
)
2
2
12 Mar
27 Mar
7.
Teal
0
1
0
0
0
1
1 (
6 Feb
)
1
1
6 Feb
6 Feb
8.
Quail
0
0
0
0
4
4
4 (
2 May
)
1
1
2 May
2 May
9.
Water Rail
0
1
12
19
1
33
3 (
1 Apr
)
23
29
25 Feb
6 May
10.
Moorhen
1
25
94
64
5
189
10 (
29 Apr
)
58
72
18 Jan
8 May
11.
Coot
1
28
39
34
3
105
6 (
17 Apr
)
47
58
29 Jan
8 May
12.
Little Grebe
0
1
9
10
2
22
2 (
21 Mar
)
15
18
13 Feb
7 May
13.
Stone Curlew
0
0
4
2
0
6
3 (
21 Mar
)
2
3
21 Mar
3 Apr
14.
Golden Plover
1
7
2
0
0
10
2 (
14 Feb
)
6
8
26 Jan
20 Mar
15.
Little Ringed Plover
0
0
0
1
0
1
1 (
11 Apr
)
1
1
11 Apr
11 Apr
16.
Whimbrel
0
0
0
1
1
2
1 (
16 Apr
)
2
2
16 Apr
4 May
17.
Curlew
0
0
0
3
0
3
3 (
13 Apr
)
1
1
13 Apr
13 Apr
18.
Snipe
0
0
1
0
0
1
1 (
31 Mar
)
1
1
31 Mar
31 Mar
19.
Common Sandpiper
0
0
0
1
1
2
1 (
26 Apr
)
2
2
26 Apr
5 May
20.
Green Sandpiper
0
0
0
2
0
2
1 (
3 Apr
)
2
2
3 Apr
14 Apr
21.
Redshank
0
0
0
1
0
1
1 (
4 Apr
)
1
1
4 Apr
4 Apr
22.
Black-headed Gull
1
1
0
3
0
5
1 (
16 Jan
)
4
5
16 Jan
27 Apr
23.
Mediterranean Gull
0
0
0
1
0
1
1 (
17 Apr
)
1
1
17 Apr
17 Apr
24.
Common Gull
1
0
0
0
0
1
1 (
16 Jan
)
1
1
16 Jan
16 Jan
25.
Little Bittern
0
0
0
0
1
1
1 (
2 May
)
1
1
2 May
2 May
26.
Night Heron
0
0
0
0
1
1
1 (
3 May
)
1
1
3 May
3 May
27.
Grey Heron
0
1
7
4
3
15
3 (
20 Mar
)
10
12
19 Feb
3 May
28.
Skylark
0
0
5
0
0
5
3 (
10 Mar
)
2
2
10 Mar
11 Mar
29.
Chiffchaff
0
0
1
0
0
1
1 (
31 Mar
)
1
1
31 Mar
31 Mar
30.
Song Thrush
4
13
113
39
0
169
18 (
27 Mar
)
40
50
4 Jan
17 Apr
Species
Jan
Feb
Mar
Apr
May
Totals
Maximum
Presence
(%)
Presence
(days)
First
Last
31.
Redwing
13
11
992
22
0
1038
501 (
27 Mar
)
40
49
4 Jan
13 Apr
32.
Blackbird
0
1
1
0
0
2
1 (
21 Feb
)
2
2
21 Feb
4 Mar
33.
Fieldfare
0
0
1
0
0
1
1 (
26 Mar
)
1
1
26 Mar
26 Mar
34.
Ring Ouzel
0
0
0
1
0
1
1 (
7 Apr
)
1
1
7 Apr
7 Apr
35.
Spotted Flycatcher
0
0
0
0
1
1
1 (
2 May
)
1
1
2 May
2 May
36.
Robin
0
1
3
0
0
4
2 (
22 Mar
)
2
3
20 Feb
27 Mar
37.
Black Redstart
0
0
0
1
1
2
1 (
9 Apr
)
2
2
9 Apr
5 May
38.
Redstart
0
0
0
1
0
1
1 (
14 Apr
)
1
1
14 Apr
14 Apr
39.
Tree Pipit
0
0
0
2
0
2
1 (
11 Apr
)
2
2
11 Apr
27 Apr
40.
Chaffinch
0
0
1
0
0
1
1 (
12 Mar
)
1
1
12 Mar
12 Mar
41.
Greenfinch
0
0
1
0
0
1
1 (
23 Mar
)
1
1
23 Mar
23 Mar
Species
Jan
Feb
Mar
Apr
May
Totals
Maximum
Presence
(%)
Presence
(days)
First
Last
Totals
22
92
1293
213
24
1644
1644
3437
100
124
Observation hours
391:32
356:35
343:10
265:29
56:02
1412:48
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