Select until 11 May

Totals Bos van Aa Zemst (ringen) 2016 - 2025

	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Newly ringed	Retraps	Year Maximum
1.	Mute Swan	0	0	0	0	0	3	4	7	3	0	17	1.9	16	1	7 (2023)
2.	Shoveler	0	0	0	0	0	0	0	0	1	0	1	0.1	1	0	1 (2024)
3.	Mallard	0	0	0	0	0	0	0	5	9	0	14	1.6	9	5	9 (2024)
4.	Teal	0	0	0	0	2	0	0	0	0	0	2	0.2	2	0	2 (2020)
5.	Pochard	0	0	1	0	0	0	0	0	0	0	1	0.1	1	0	1 (2018)
6.	Pheasant	0	0	0	2	1	0	1	0	0	0	4	0.4	4	0	2 (2019)
7.	Water Rail	0	0	4	16	11	24	67	26	56	0	204	23	122	82	67 (2022)
8.	Spotted Crake	0	0	0	0	1	2	1	2	16	0	22	2.4	21	1	16 (2024)
9.	Moorhen	0	0	1	6	1	2	25	22	10	0	67	7.4	38	29	25 (2022)
10.	Coot	0	0	0	0	0	0	0	4	0	0	4	0.4	3	1	4 (2023)
11.	Great Crested Grebe	0	0	0	0	0	0	0	0	1	0	1	0.1	1	0	1 (2024)
12.	Lapwing	0	0	0	0	1	0	0	0	0	0	1	0.1	1	0	1 (2020)
13.	Jack Snipe	0	0	0	0	1	0	1	0	0	0	2	0.2	2	0	1 (2020)
14.	Snipe	1	0	1	0	2	1	4	0	1	0	10	1.1	10	0	4 (2022)
15.	Common Sandpiper	0	0	0	0	1	0	0	0	0	0	1	0.1	1	0	1 (2020)
16.	Green Sandpiper	0	0	5	2	11	0	0	0	0	0	18	2	18	0	11 (2020)
17.	Wood Sandpiper	0	0	0	1	0	0	0	0	0	0	1	0.1	1	0	1 (2019)
18.	Common Tern	0	0	0	0	0	0	0	2	2	0	4	0.4	4	0	2 (2023)
19.	Black-headed Gull	0	0	0	0	0	0	0	5	9	0	14	1.6	14	0	9 (2024)
20.	Sparrowhawk	0	0	0	0	3	0	0	1	1	0	5	0.6	4	1	3 (2020)
21.	Goshawk	0	3	3	3	3	3	3	2	3	0	23	2.6	23	0	3 (2017)
22.	Common Buzzard	0	0	2	2	0	0	0	1	0	0	5	0.6	5	0	2 (2018)
23.	Tawny Owl	0	0	0	0	0	0	0	0	2	0	2	0.2	2	0	2 (2024)
24.	Kingfisher	6	7	13	3	7	2	7	6	13	0	64	7.1	52	12	13 (2018)
25.	Wryneck	0	0	0	1	0	0	1	4	1	0	7	0.8	7	0	4 (2023)
26.	Lesser Spotted Woodpecker	0	1	0	0	0	1	0	1	0	0	3	0.3	3	0	1 (2017)
27.	Great Spotted Woodpecker	0	0	0	1	1	0	0	0	0	0	2	0.2	2	0	1 (2019)
28.	Jay	0	0	0	1	0	0	1	0	0	0	2	0.2	2	0	1 (2019)
29.	Carrion Crow	0	0	0	0	0	0	0	1	0	0	1	0.1	1	0	1 (2023)
30.	Coal Tit	0	0	0	0	0	9	0	0	0	0	9	1	9	0	9 (2021)
31.	Marsh Tit	0	0	0	0	2	2	1	0	0	0	5	0.6	5	0	2 (2020)
32.	Willow Tit	0	0	0	0	0	1	2	1	0	0	4	0.4	4	0	2 (2022)
33.	Blue Tit	10	12	94	131	93	195	145	154	98	0	932	104	834	98	195 (2021)
34.	Great Tit	2	9	63	57	55	44	71	59	36	0	396	44	341	55	71 (2022)
35.	Sand Martin	0	35	143	0	243	163	12	186	173	0	955	106	725	230	243 (2020)
36.	Swallow	0	0	0	0	0	0	0	0	1	0	1	0.1	1	0	1 (2024)
37.	House Martin	0	0	0	0	0	0	1	0	0	0	1	0.1	1	0	1 (2022)
38.	Cetti's Warbler	0	0	2	6	12	4	14	33	33	0	104	12	55	49	33 (2023)
39.	Long-tailed Tit	4	2	28	15	27	40	14	29	48	0	207	23	164	43	48 (2024)
40.	Yellow-browed Warbler	0	0	3	2	0	1	0	1	0	0	7	0.8	7	0	3 (2018)
41.	Willow Warbler	1	6	1	40	29	11	26	45	41	0	200	22	199	1	45 (2023)
42.	Phylloscopus trochilus acredula	0	0	0	1	0	0	0	0	0	0	1	0.1	1	0	1 (2019)
43.	Chiffchaff	20	33	78	174	282	263	248	331	318	0	1747	194	1673	74	331 (2023)
44.	Chiffchaff (Siberian - tristis)	0	0	0	0	1	1	0	5	1	0	8	0.9	8	0	5 (2023)
45.	abietinus Chiffchaff	0	0	0	0	1	0	0	0	0	0	1	0.1	1	0	1 (2020)
46.	Great Reed Warbler	0	0	0	0	0	0	0	1	0	0	1	0.1	1	0	1 (2023)
47.	Sedge Warbler	0	5	12	32	46	23	46	88	116	0	368	41	356	12	116 (2024)
48.	Blyth's Reed-Warbler	0	0	0	0	0	1	0	0	0	0	1	0.1	1	0	1 (2021)
49.	Reed Warbler	6	29	74	287	293	273	341	317	701	0	2321	258	2241	80	701 (2024)
50.	Marsh Warbler	0	4	0	3	34	29	46	16	103	0	235	26	227	8	103 (2024)
	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Newly ringed	Retraps	Year Maximum
51.	Melodious Warbler	0	0	0	0	1	0	0	0	0	0	1	0.1	1	0	1 (2020)
52.	Icterine Warbler	0	1	0	0	2	1	4	1	0	0	9	1	9	0	4 (2022)
53.	Savi's Warbler	0	0	2	0	1	1	3	0	3	0	10	1.1	10	0	3 (2022)
54.	Grasshopper Warbler	0	0	1	20	13	20	17	22	52	0	145	16	143	2	52 (2024)
55.	Blackcap	36	70	273	795	941	763	682	904	687	0	5151	572	5099	52	941 (2020)
56.	Garden Warbler	1	6	12	25	68	36	55	69	70	0	342	38	340	2	70 (2024)
57.	Barred Warbler	0	0	1	0	0	0	0	0	0	0	1	0.1	1	0	1 (2018)
58.	Lesser Whitethroat	0	0	0	0	5	0	1	3	5	0	14	1.6	14	0	5 (2020)
59.	Whitethroat	0	13	5	11	37	21	16	27	33	0	163	18	159	4	37 (2020)
60.	Firecrest	0	0	5	13	12	12	17	21	12	0	92	10.2	92	0	21 (2023)
61.	Goldcrest	0	0	15	14	15	3	3	5	17	0	72	8	71	1	17 (2024)
62.	Wren	2	0	5	6	9	16	31	13	18	0	100	11.1	89	11	31 (2022)
63.	Short-toed Tree Creeper	0	1	1	0	2	0	4	1	1	0	10	1.1	10	0	4 (2022)
64.	Starling	0	0	0	0	0	1	0	0	0	0	1	0.1	1	0	1 (2021)
65.	Song Thrush	3	1	24	26	22	17	34	26	4	0	157	17	156	1	34 (2022)
66.	Redwing	0	0	1	2	23	3	11	5	1	0	46	5.1	46	0	23 (2020)
67.	Blackbird	1	0	9	6	22	17	30	13	18	0	116	13	113	3	30 (2022)
68.	Spotted Flycatcher	0	0	0	0	1	0	0	1	0	0	2	0.2	2	0	1 (2020)
69.	Robin	5	1	47	163	233	202	194	193	131	0	1169	130	1100	69	233 (2020)
70.	Nightingale	0	0	0	1	0	0	0	6	0	0	7	0.8	7	0	6 (2023)
71.	Bluethroat	0	1	4	0	11	3	4	4	5	0	32	3.6	25	7	11 (2020)
72.	White-spotted Bluethroat	0	0	0	0	2	0	1	0	1	0	4	0.4	3	1	2 (2020)
73.	Pied Flycatcher	0	0	0	1	0	0	3	4	3	0	11	1.2	11	0	4 (2023)
74.	Black Redstart	0	0	0	0	0	1	0	0	0	0	1	0.1	1	0	1 (2021)
75.	Redstart	0	1	2	37	33	16	9	21	4	0	123	14	123	0	37 (2019)
76.	Whinchat	0	0	0	0	0	0	0	0	3	0	3	0.3	3	0	3 (2024)
77.	Tree Sparrow	0	0	0	5	3	0	0	0	0	0	8	0.9	8	0	5 (2019)
78.	Common Waxbill	0	0	0	0	0	0	0	1	0	0	1	0.1	1	0	1 (2023)
79.	Dunnock	1	0	11	32	28	7	41	26	6	0	152	17	150	2	41 (2022)
80.	Grey Wagtail	0	0	0	1	1	7	4	4	0	0	17	1.9	17	0	7 (2021)
81.	Tree Pipit	0	0	4	0	1	3	1	3	3	0	15	1.7	15	0	4 (2018)
82.	Chaffinch	0	0	0	1	2	1	0	2	0	0	6	0.7	6	0	2 (2020)
83.	Linnet	0	0	0	0	0	1	0	0	0	0	1	0.1	1	0	1 (2021)
84.	Lesser Redpoll	0	0	0	0	3	0	0	0	0	0	3	0.3	3	0	3 (2020)
85.	redpoll sp.	0	0	0	0	0	0	0	6	0	0	6	0.7	6	0	6 (2023)
86.	Siskin	0	0	0	0	1	10	0	2	0	0	13	1.4	13	0	10 (2021)
87.	Yellowhammer	1	0	0	0	0	0	0	0	0	0	1	0.1	1	0	1 (2016)
88.	Reed Bunting	28	7	46	35	66	34	66	25	35	0	342	38	325	17	66 (2020)
	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Newly ringed	Retraps	Year Maximum
	Totals	128	248	996	1980	2722	2294	2313	2763	2909	0	16353	1817	15399	954
	Observation hours	29:00	26:30	68:45	89:45	96:15	104:30	109:00	126:30	149:46		800:01	88:53

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Totals Bos van Aa Zemst (ringen) 2016 - 2025