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Remarkable
Analysis
Phenology
Record counts
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Totals (date)
Totals (species)
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Select until 8 July
Totals Delta de la Tordera 2016 - 2025
Species
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
Totals
Average
Present
Year
Maximum
1.
Shelduck
0
0
0
0
0
0
0
0
2
0
2
0.7
0
2 (
2024
)
2.
Garganey
0
0
0
0
0
0
0
0
3
0
3
1
0
3 (
2024
)
3.
Shoveler
0
0
0
0
0
0
0
0
3
0
3
1
0
3 (
2024
)
4.
Mallard
0
0
0
0
0
0
0
0
0
1
1
0.3
0
1 (
2025
)
5.
Pintail
0
0
0
0
0
0
0
0
0
14
14
4.7
0
14 (
2025
)
6.
duck sp.
0
0
0
0
0
0
0
0
3
0
3
1
0
3 (
2024
)
7.
Pochard
0
0
0
0
0
0
0
0
2
0
2
0.7
0
2 (
2024
)
8.
Nightjar
0
0
0
0
0
0
0
0
1
0
1
0.3
0
1 (
2024
)
9.
Apus sp.
0
0
0
0
0
0
0
0
6
0
6
2
0
6 (
2024
)
10.
Oystercatcher
0
0
0
0
0
0
0
0
0
1
1
0.3
0
1 (
2025
)
11.
Little Ringed Plover
0
0
0
0
0
0
0
0
2
1
3
1
0
2 (
2024
)
12.
Kentish Plover
0
0
0
0
0
0
0
0
0
1
1
0.3
0
1 (
2025
)
13.
Temminck's Stint
0
0
0
0
0
0
0
0
1
0
1
0.3
0
1 (
2024
)
14.
Sanderling
0
0
0
0
0
0
0
0
3
0
3
1
0
3 (
2024
)
15.
Gull-billed Tern
0
0
0
0
0
0
0
0
1
0
1
0.3
0
1 (
2024
)
16.
Common Tern
0
0
0
0
0
0
0
0
1
112
113
38
0
112 (
2025
)
17.
Sandwich Tern
0
0
0
0
0
0
0
21
82
139
242
81
1
139 (
2025
)
18.
Little Gull
0
0
0
0
0
0
0
0
258
46
304
101
100
258 (
2024
)
19.
Kittiwake
0
0
0
0
0
0
0
0
1
0
1
0.3
0
1 (
2024
)
20.
Black-headed Gull
0
0
0
0
0
0
0
152
320
275
747
249
0
320 (
2024
)
21.
small gull sp.
0
0
0
0
0
0
0
0
4
0
4
1.3
0
4 (
2024
)
22.
Audouin's Gull
0
0
0
0
0
0
0
0
81
74
155
52
0
81 (
2024
)
23.
Mediterranean Gull
0
0
0
0
0
0
0
85
114
147
346
115
135
147 (
2025
)
24.
Herring Gull (subsp. argentatus)
0
0
0
0
0
0
0
0
31
0
31
10.3
1
31 (
2024
)
25.
Yellow-legged Gull
0
0
0
0
0
0
0
110
601
201
912
304
1
601 (
2024
)
26.
Lesser Black-backed Gull
0
0
0
0
0
0
0
0
0
1
1
0.3
0
1 (
2025
)
27.
Larus graellsii
0
0
0
0
0
0
0
0
4
0
4
1.3
0
4 (
2024
)
28.
Larus intermedius
0
0
0
0
0
0
0
0
0
1
1
0.3
0
1 (
2025
)
29.
Laridae sp.
0
0
0
0
0
0
0
0
27
58
85
28.3
0
58 (
2025
)
30.
skua sp.
0
0
0
0
0
0
0
0
2
0
2
0.7
0
2 (
2024
)
31.
Arctic Skua
0
0
0
0
0
0
0
0
3
6
9
3
0
6 (
2025
)
32.
S. parasiticus / pomarinus
0
0
0
0
0
0
0
0
1
0
1
0.3
0
1 (
2024
)
33.
Pomarine Skua
0
0
0
0
0
0
0
0
3
2
5
1.7
0
3 (
2024
)
34.
Puffin
0
0
0
0
0
0
0
0
1
1
2
0.7
0
1 (
2024
)
35.
Razorbill
0
0
0
0
0
0
0
0
24
0
24
8
0
24 (
2024
)
36.
alca / fratercula spec
0
0
0
0
0
0
0
0
1
0
1
0.3
0
1 (
2024
)
37.
Cory's Shearwater
0
0
0
0
0
0
0
0
17
0
17
5.7
0
17 (
2024
)
38.
Scopoli's Shearwater
0
0
0
0
0
0
0
20
415
229
664
221
4
415 (
2024
)
39.
Yelkouan Shearwater
0
0
0
0
0
0
0
25
1601
5674
7300
2433
0
5674 (
2025
)
40.
Balearic Shearwater
0
0
0
0
0
0
0
44
316
1336
1696
565
0
1336 (
2025
)
41.
Balearic-/Yelkouan Shearwater
0
0
0
0
0
0
0
47
1016
1423
2486
829
4
1423 (
2025
)
42.
Gannet
0
0
0
0
0
0
0
39
85
75
199
66
0
85 (
2024
)
43.
Cormorant
0
0
0
0
0
0
0
0
15
24
39
13
0
24 (
2025
)
44.
Cormorant (p. c. carbo)
0
0
0
0
0
0
0
26
20
30
76
25.3
0
30 (
2025
)
45.
sinensis Cormorant (P.c.sinensis)
0
0
0
0
0
0
0
0
20
0
20
6.7
0
20 (
2024
)
46.
Shag
0
0
0
0
0
0
0
19
114
75
208
69
3
114 (
2024
)
47.
Glossy Ibis
0
0
0
0
0
0
0
0
318
0
318
106
0
318 (
2024
)
48.
Great White Egret
0
0
0
0
0
0
0
0
0
1
1
0.3
0
1 (
2025
)
49.
Swallow
0
0
0
0
0
0
0
0
72
5
77
25.7
0
72 (
2024
)
50.
Species unidentified
0
0
0
0
0
0
0
0
1
0
1
0.3
0
1 (
2024
)
Other species
Species
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
Totals
Average
Present
Year
Maximum
1.
Bottle-Nosed Dolphin
0
0
0
0
0
0
0
0
12
0
12
4
0
12 (
2024
)
Species
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
Totals
Average
Present
Year
Maximum
Totals
0
0
0
0
0
0
0
588
5608
9953
16149
5383
249
Observation hours
4:25
29:48
16:55
51:08
17:03
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