Select until 1 May

Totals Twiske, Oostzaan 2016 - 2025

	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
1.	Barnacle Goose	0	0	0	0	0	0	0	0	0	1921	1921	1921	0	1921 (2025)
2.	Eurasian White-fronted Goose	0	0	0	0	0	0	0	0	0	1	1	1	0	1 (2025)
3.	Shelduck	0	0	0	0	0	0	0	0	0	2	2	2	0	2 (2025)
4.	Shoveler	0	0	0	0	0	0	0	0	0	4	4	4	0	4 (2025)
5.	Gadwall	0	0	0	0	0	0	0	0	0	12	12	12	0	12 (2025)
6.	Goosander	0	0	0	0	0	0	0	0	0	1	1	1	0	1 (2025)
7.	Mergus sp.	0	0	0	0	0	0	0	0	0	3	3	3	0	3 (2025)
8.	Swift	0	0	0	0	0	0	0	0	0	142	142	142	0	142 (2025)
9.	Avocet	0	0	0	0	0	0	0	0	0	2	2	2	0	2 (2025)
10.	Whimbrel	0	0	0	0	0	0	0	0	0	43	43	43	0	43 (2025)
11.	Common Sandpiper	0	0	0	0	0	0	0	0	0	9	9	9	0	9 (2025)
12.	Green Sandpiper	0	0	0	0	0	0	0	0	0	8	8	8	0	8 (2025)
13.	Wood Sandpiper	0	0	0	0	0	0	0	0	0	16	16	16	0	16 (2025)
14.	Redshank	0	0	0	0	0	0	0	0	0	3	3	3	0	3 (2025)
15.	Greenshank	0	0	0	0	0	0	0	0	0	9	9	9	0	9 (2025)
16.	Caspian Tern	0	0	0	0	0	0	0	0	0	1	1	1	0	1 (2025)
17.	Common Tern	0	0	0	0	0	0	0	0	0	5	5	5	0	5 (2025)
18.	Little Gull	0	0	0	0	0	0	0	0	0	28	28	28	0	28 (2025)
19.	Black-headed Gull	0	0	0	0	0	0	0	0	0	108	108	108	0	108 (2025)
20.	Mediterranean Gull	0	0	0	0	0	0	0	0	0	1	1	1	0	1 (2025)
21.	Caspian Gull	0	0	0	0	0	0	0	0	0	1	1	1	0	1 (2025)
22.	Herring Gull	0	0	0	0	0	0	0	0	0	3	3	3	0	3 (2025)
23.	Lesser Black-backed Gull	0	0	0	0	0	0	0	0	0	132	132	132	0	132 (2025)
24.	White Stork	0	0	0	0	0	0	0	0	0	1	1	1	0	1 (2025)
25.	Cormorant	0	0	0	0	0	0	0	0	0	167	167	167	0	167 (2025)
26.	Spoonbill	0	0	0	0	0	0	0	0	0	23	23	23	0	23 (2025)
27.	Little Egret	0	0	0	0	0	0	0	0	0	1	1	1	0	1 (2025)
28.	Great White Egret	0	0	0	0	0	0	0	0	0	1	1	1	0	1 (2025)
29.	Grey Heron	0	0	0	0	0	0	0	0	0	14	14	14	0	14 (2025)
30.	Purple Heron	0	0	0	0	0	0	0	0	0	9	9	9	0	9 (2025)
31.	Osprey	0	0	0	0	0	0	0	0	0	1	1	1	0	1 (2025)
32.	Sparrowhawk	0	0	0	0	0	0	0	0	0	4	4	4	0	4 (2025)
33.	Marsh Harrier	0	0	0	0	0	0	0	0	0	18	18	18	0	18 (2025)
34.	Black Kite	0	0	0	0	0	0	0	0	0	2	2	2	0	2 (2025)
35.	Jackdaw	0	0	0	0	0	0	0	0	0	17	17	17	0	17 (2025)
36.	Sand Martin	0	0	0	0	0	0	0	0	0	23	23	23	0	23 (2025)
37.	Swallow	0	0	0	0	0	0	0	0	0	60	60	60	0	60 (2025)
38.	House Martin	0	0	0	0	0	0	0	0	0	3	3	3	0	3 (2025)
39.	Song Thrush	0	0	0	0	0	0	0	0	0	3	3	3	0	3 (2025)
40.	Ring Ouzel	0	0	0	0	0	0	0	0	0	1	1	1	0	1 (2025)
41.	Blue-headed Wagtail	0	0	0	0	0	0	0	0	0	1	1	1	0	1 (2025)
42.	White Wagtail	0	0	0	0	0	0	0	0	0	13	13	13	0	13 (2025)
43.	Meadow Pipit	0	0	0	0	0	0	0	0	0	742	742	742	0	742 (2025)
44.	Chaffinch	0	0	0	0	0	0	0	0	0	7	7	7	0	7 (2025)
45.	Greenfinch	0	0	0	0	0	0	0	0	0	2	2	2	0	2 (2025)
46.	Reed Bunting	0	0	0	0	0	0	0	0	0	10	10	10	0	10 (2025)
	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
	Totals	0	0	0	0	0	0	0	0	0	3578	3578	3578	0
	Observation hours										26:02	26:02	26:02

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Totals Twiske, Oostzaan 2016 - 2025