Select until 10 May

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	6	6	2	0	6 (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	0	2	0.7	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	93	196	65	1	93 (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	251	723	241	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	38	119	40	0	81 (2024)
23.	Mediterranean Gull	0	0	0	0	0	0	0	85	114	139	338	113	135	139 (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	166	877	292	0	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	5	8	2.7	0	5 (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	0	3	1	0	3 (2024)
34.	Puffin	0	0	0	0	0	0	0	0	1	0	1	0.3	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	136	571	190	4	415 (2024)
39.	Yelkouan Shearwater	0	0	0	0	0	0	0	25	1601	5621	7247	2416	0	5621 (2025)
40.	Balearic Shearwater	0	0	0	0	0	0	0	44	316	1186	1546	515	0	1186 (2025)
41.	Balearic-/Yelkouan Shearwater	0	0	0	0	0	0	0	47	1016	1411	2474	825	4	1411 (2025)
42.	Gannet	0	0	0	0	0	0	0	39	85	39	163	54	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	12	145	48	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	0	72	24	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	9379	15575	5192	248
	Observation hours								4:25	29:48	10:03	44:16	14:45

Trektellen

Totals Delta de la Tordera 2016 - 2025