Totals Bos van Aa Zemst (ringen) 2015 - 2024

	Species	2015	2016	2017	2018	2019	2020	2021	2022	2023	2024	Totals	Average	Newly ringed	Retraps	Year Maximum
1.	Mute Swan	0	0	0	0	0	0	3	4	7	0	14	1.6	13	1	7 (2023)
2.	Mallard	0	0	0	0	0	0	0	0	5	0	5	0.6	3	2	5 (2023)
3.	Teal	0	0	0	0	0	2	0	0	0	0	2	0.2	2	0	2 (2020)
4.	Pochard	0	0	0	1	0	0	0	0	0	0	1	0.1	1	0	1 (2018)
5.	Pheasant	0	0	0	0	2	1	0	1	0	0	4	0.4	4	0	2 (2019)
6.	Water Rail	0	0	0	4	16	11	24	67	26	0	148	16	82	66	67 (2022)
7.	Spotted Crake	0	0	0	0	0	1	2	1	2	0	6	0.7	5	1	2 (2021)
8.	Moorhen	0	0	0	1	6	1	2	25	22	0	57	6.3	30	27	25 (2022)
9.	Coot	0	0	0	0	0	0	0	0	4	0	4	0.4	3	1	4 (2023)
10.	Lapwing	0	0	0	0	0	1	0	0	0	0	1	0.1	1	0	1 (2020)
11.	Jack Snipe	0	0	0	0	0	1	0	1	0	0	2	0.2	2	0	1 (2020)
12.	Snipe	0	1	0	1	0	2	1	4	0	0	9	1	9	0	4 (2022)
13.	Common Sandpiper	0	0	0	0	0	1	0	0	0	0	1	0.1	1	0	1 (2020)
14.	Green Sandpiper	0	0	0	5	2	11	0	0	0	0	18	2	18	0	11 (2020)
15.	Wood Sandpiper	0	0	0	0	1	0	0	0	0	0	1	0.1	1	0	1 (2019)
16.	Black-headed Gull	0	0	0	0	0	0	0	0	5	0	5	0.6	5	0	5 (2023)
17.	Common Tern	0	0	0	0	0	0	0	0	2	0	2	0.2	2	0	2 (2023)
18.	Sparrowhawk	0	0	0	0	0	3	0	0	1	0	4	0.4	4	0	3 (2020)
19.	Goshawk	2	0	3	3	3	3	3	3	2	0	22	2.4	22	0	3 (2017)
20.	Common Buzzard	0	0	0	2	2	0	0	0	1	0	5	0.6	5	0	2 (2018)
21.	Kingfisher	0	6	7	13	3	7	2	7	6	0	51	5.7	43	8	13 (2018)
22.	Wryneck	0	0	0	0	1	0	0	1	4	0	6	0.7	6	0	4 (2023)
23.	Lesser Spotted Woodpecker	0	0	1	0	0	0	1	0	1	0	3	0.3	3	0	1 (2017)
24.	Great Spotted Woodpecker	0	0	0	0	1	1	0	0	0	0	2	0.2	2	0	1 (2019)
25.	Jay	0	0	0	0	1	0	0	1	0	0	2	0.2	2	0	1 (2019)
26.	Carrion Crow	0	0	0	0	0	0	0	0	1	0	1	0.1	1	0	1 (2023)
27.	Coal Tit	0	0	0	0	0	0	9	0	0	0	9	1	9	0	9 (2021)
28.	Marsh Tit	0	0	0	0	0	2	2	1	0	0	5	0.6	5	0	2 (2020)
29.	Willow Tit	0	0	0	0	0	0	1	2	1	0	4	0.4	4	0	2 (2022)
30.	Blue Tit	0	10	12	94	131	93	195	145	154	0	834	93	754	80	195 (2021)
31.	Great Tit	0	2	9	63	57	55	44	71	59	0	360	40	311	49	71 (2022)
32.	Sand Martin	0	0	35	143	0	243	163	12	186	0	782	87	618	164	243 (2020)
33.	House Martin	0	0	0	0	0	0	0	1	0	0	1	0.1	1	0	1 (2022)
34.	Cetti's Warbler	0	0	0	2	6	12	4	14	33	0	71	7.9	38	33	33 (2023)
35.	Long-tailed Tit	0	4	2	28	15	27	40	14	29	0	159	18	130	29	40 (2021)
36.	Yellow-browed Warbler	0	0	0	3	2	0	1	0	1	0	7	0.8	7	0	3 (2018)
37.	Willow Warbler	0	1	6	1	40	29	11	26	45	0	159	18	158	1	45 (2023)
38.	Phylloscopus trochilus acredula	0	0	0	0	1	0	0	0	0	0	1	0.1	1	0	1 (2019)
39.	Chiffchaff	0	20	33	78	174	282	263	248	331	0	1429	159	1376	53	331 (2023)
40.	Chiffchaff (Siberian - tristis)	0	0	0	0	0	1	1	0	5	0	7	0.8	7	0	5 (2023)
41.	abietinus Chiffchaff	0	0	0	0	0	1	0	0	0	0	1	0.1	1	0	1 (2020)
42.	Great Reed Warbler	0	0	0	0	0	0	0	0	1	0	1	0.1	1	0	1 (2023)
43.	Sedge Warbler	0	0	5	12	32	46	23	46	88	0	252	28	241	11	88 (2023)
44.	Blyth's Reed-Warbler	0	0	0	0	0	0	1	0	0	0	1	0.1	1	0	1 (2021)
45.	Reed Warbler	0	6	29	74	287	293	273	341	317	0	1620	180	1561	59	341 (2022)
46.	Marsh Warbler	0	0	4	0	3	34	29	46	16	0	132	15	128	4	46 (2022)
47.	Melodious Warbler	0	0	0	0	0	1	0	0	0	0	1	0.1	1	0	1 (2020)
48.	Icterine Warbler	0	0	1	0	0	2	1	4	1	0	9	1	9	0	4 (2022)
49.	Savi's Warbler	0	0	0	2	0	1	1	3	0	0	7	0.8	7	0	3 (2022)
50.	Grasshopper Warbler	0	0	0	1	20	13	20	17	22	0	93	10.3	91	2	22 (2023)
	Species	2015	2016	2017	2018	2019	2020	2021	2022	2023	2024	Totals	Average	Newly ringed	Retraps	Year Maximum
51.	Blackcap	0	36	70	273	795	941	763	682	904	0	4464	496	4415	49	941 (2020)
52.	Garden Warbler	0	1	6	12	25	68	36	55	69	0	272	30	270	2	69 (2023)
53.	Barred Warbler	0	0	0	1	0	0	0	0	0	0	1	0.1	1	0	1 (2018)
54.	Lesser Whitethroat	0	0	0	0	0	5	0	1	3	0	9	1	9	0	5 (2020)
55.	Whitethroat	0	0	13	5	11	37	21	16	27	0	130	14	127	3	37 (2020)
56.	Firecrest	0	0	0	5	13	12	12	17	21	0	80	8.9	80	0	21 (2023)
57.	Goldcrest	0	0	0	15	14	15	3	3	5	0	55	6.1	54	1	15 (2018)
58.	Wren	0	2	0	5	6	9	16	31	13	0	82	9.1	72	10	31 (2022)
59.	Short-toed Tree Creeper	0	0	1	1	0	2	0	4	1	0	9	1	9	0	4 (2022)
60.	Starling	0	0	0	0	0	0	1	0	0	0	1	0.1	1	0	1 (2021)
61.	Song Thrush	0	3	1	24	26	22	17	34	26	0	153	17	152	1	34 (2022)
62.	Redwing	0	0	0	1	2	23	3	11	5	0	45	5	45	0	23 (2020)
63.	Blackbird	0	1	0	9	6	22	17	30	13	0	98	10.9	96	2	30 (2022)
64.	Spotted Flycatcher	0	0	0	0	0	1	0	0	1	0	2	0.2	2	0	1 (2020)
65.	Robin	0	5	1	47	163	233	202	194	193	0	1038	115	972	66	233 (2020)
66.	Bluethroat	0	0	1	4	0	11	3	4	4	0	27	3	20	7	11 (2020)
67.	White-spotted Bluethroat	0	0	0	0	0	2	0	1	0	0	3	0.3	2	1	2 (2020)
68.	Nightingale	0	0	0	0	1	0	0	0	6	0	7	0.8	7	0	6 (2023)
69.	Pied Flycatcher	0	0	0	0	1	0	0	3	4	0	8	0.9	8	0	4 (2023)
70.	Black Redstart	0	0	0	0	0	0	1	0	0	0	1	0.1	1	0	1 (2021)
71.	Redstart	0	0	1	2	37	33	16	9	21	0	119	13	119	0	37 (2019)
72.	Tree Sparrow	0	0	0	0	5	3	0	0	0	0	8	0.9	8	0	5 (2019)
73.	Common Waxbill	0	0	0	0	0	0	0	0	1	0	1	0.1	1	0	1 (2023)
74.	Dunnock	0	1	0	11	32	28	7	41	26	0	146	16	144	2	41 (2022)
75.	Grey Wagtail	0	0	0	0	1	1	7	4	4	0	17	1.9	17	0	7 (2021)
76.	Tree Pipit	0	0	0	4	0	1	3	1	3	0	12	1.3	12	0	4 (2018)
77.	Chaffinch	0	0	0	0	1	2	1	0	2	0	6	0.7	6	0	2 (2020)
78.	Linnet	0	0	0	0	0	0	1	0	0	0	1	0.1	1	0	1 (2021)
79.	Lesser Redpoll	0	0	0	0	0	3	0	0	0	0	3	0.3	3	0	3 (2020)
80.	redpoll sp.	0	0	0	0	0	0	0	0	6	0	6	0.7	6	0	6 (2023)
81.	Siskin	0	0	0	0	0	1	10	0	2	0	13	1.4	13	0	10 (2021)
82.	Yellowhammer	0	1	0	0	0	0	0	0	0	0	1	0.1	1	0	1 (2016)
83.	Reed Bunting	0	28	7	46	35	66	34	66	25	0	307	34	290	17	66 (2020)
	Species	2015	2016	2017	2018	2019	2020	2021	2022	2023	2024	Totals	Average	Newly ringed	Retraps	Year Maximum
	Totals	2	128	248	996	1980	2722	2294	2313	2763	0	13446	1494	12694	752
	Observation hours	0:30	29:00	26:30	68:45	89:45	96:15	104:30	109:00	126:30		650:45	72:18

Trektellen

Totals Bos van Aa Zemst (ringen) 2015 - 2024