Select until 21 April

Totals Polder Krûsbrekken 2016 - 2025

	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Newly ringed	Retraps	Year Maximum
1.	Barnacle Goose	0	0	0	0	1	0	0	0	0	0	1	0.1	1	0	1 (2020)
2.	Shelduck	0	0	0	0	0	0	3	1	2	0	6	0.6	6	0	3 (2022)
3.	Gadwall	0	0	0	3	9	8	4	2	0	1	27	2.7	27	0	9 (2020)
4.	Pintail	0	0	0	0	0	2	0	0	0	0	2	0.2	2	0	2 (2021)
5.	Teal	0	0	0	0	0	0	0	1	0	0	1	0.1	1	0	1 (2023)
6.	Quail	0	0	0	0	0	0	1	5	0	0	6	0.6	6	0	5 (2023)
7.	Cuckoo	0	0	0	0	0	0	0	1	0	0	1	0.1	1	0	1 (2023)
8.	Water Rail	0	0	0	0	6	0	15	4	0	0	25	2.5	25	0	15 (2022)
9.	Spotted Crake	0	0	0	0	0	0	0	1	0	0	1	0.1	1	0	1 (2023)
10.	Moorhen	0	0	0	0	1	0	1	1	0	0	3	0.3	3	0	1 (2020)
11.	Oystercatcher	0	7	0	1	3	7	6	2	3	1	30	3	30	0	7 (2017)
12.	Avocet	0	0	0	0	1	0	0	0	1	2	4	0.4	3	1	2 (2025)
13.	Golden Plover	73	28	38	47	7	17	36	6	10	4	266	27	265	1	73 (2016)
14.	Lapwing	24	18	3	19	32	4	17	13	21	6	157	16	157	0	32 (2020)
15.	Whimbrel	3	5	1	0	2	5	4	5	20	4	49	4.9	48	1	20 (2024)
16.	Curlew	3	1	3	1	3	1	1	2	1	1	17	1.7	17	0	3 (2016)
17.	Bar-tailed Godwit	0	0	0	0	0	0	0	0	1	0	1	0.1	1	0	1 (2024)
18.	Black-tailed Godwit	0	9	7	14	6	35	39	7	12	6	135	14	131	4	39 (2022)
19.	Icelandic Black-tailed Godwit	0	0	0	1	0	0	0	1	0	0	2	0.2	2	0	1 (2019)
20.	Woodcock	0	0	0	0	0	0	1	0	0	0	1	0.1	1	0	1 (2022)
21.	Snipe	5	0	1	10	13	3	15	3	2	0	52	5.2	52	0	15 (2022)
22.	Green Sandpiper	0	0	0	1	1	0	0	1	0	0	3	0.3	3	0	1 (2019)
23.	Wood Sandpiper	0	0	0	0	1	0	0	0	0	0	1	0.1	1	0	1 (2020)
24.	Redshank	4	13	3	12	4	4	5	4	4	5	58	5.8	58	0	13 (2017)
25.	Spotted Redshank	0	1	0	1	1	1	0	1	2	1	8	0.8	8	0	2 (2024)
26.	Greenshank	2	2	1	5	15	0	0	4	1	2	32	3.2	32	0	15 (2020)
27.	Turnstone	0	0	0	0	0	0	0	1	0	0	1	0.1	1	0	1 (2023)
28.	Ruff	64	68	3	41	60	44	52	63	58	27	480	48	471	9	68 (2017)
29.	Dunlin	0	3	2	0	1	0	0	1	10	1	18	1.8	18	0	10 (2024)
30.	Black-headed Gull	0	0	1	0	0	1	0	0	0	0	2	0.2	2	0	1 (2018)
31.	Common Gull	0	0	0	0	0	1	0	0	0	0	1	0.1	1	0	1 (2021)
32.	Goshawk	0	0	0	2	0	0	0	0	0	0	2	0.2	2	0	2 (2019)
33.	Barn Owl	0	0	0	0	0	0	9	9	0	0	18	1.8	15	3	9 (2022)
34.	Long-eared Owl	0	0	0	0	0	0	5	8	0	0	13	1.3	13	0	8 (2023)
35.	Short-eared Owl	0	0	0	0	0	0	2	6	0	0	8	0.8	8	0	6 (2023)
36.	Kestrel	0	0	0	0	0	0	0	1	0	0	1	0.1	1	0	1 (2023)
37.	Peregrine	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1	1 (2019)
38.	Rook	0	0	0	1	0	0	0	0	0	0	1	0.1	1	0	1 (2019)
39.	Skylark	0	0	0	0	0	0	6	0	0	0	6	0.6	6	0	6 (2022)
40.	Swallow	0	0	0	0	0	0	97	9	0	0	106	11	106	0	97 (2022)
41.	Cetti's Warbler	0	0	0	0	0	0	1	0	0	0	1	0.1	1	0	1 (2022)
42.	Aquatic Warbler	0	0	0	0	0	0	1	0	0	0	1	0.1	1	0	1 (2022)
43.	Sedge Warbler	0	0	0	0	0	0	7	1	0	0	8	0.8	8	0	7 (2022)
44.	Reed Warbler	0	0	0	0	0	0	5	4	0	0	9	0.9	9	0	5 (2022)
45.	Savi's Warbler	0	0	0	0	0	0	1	0	0	0	1	0.1	1	0	1 (2022)
46.	Whitethroat	0	0	0	0	0	0	0	1	0	0	1	0.1	1	0	1 (2023)
47.	Wren	0	0	0	0	0	0	1	0	0	0	1	0.1	1	0	1 (2022)
48.	Starling	0	0	0	0	0	0	3	0	0	0	3	0.3	3	0	3 (2022)
49.	Fieldfare	0	0	0	0	1	0	0	0	0	0	1	0.1	1	0	1 (2020)
	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Newly ringed	Retraps	Year Maximum
	Totals	178	155	63	160	168	133	338	169	148	61	1573	157	1553	20
	Observation hours	86:30	69:00	63:30	117:49	142:13	115:07	195:01	179:30	89:00	65:00	1,122:40	112:16

Trektellen

Totals Polder Krûsbrekken 2016 - 2025