Select until 25 October

Totals Opstalvallei 2016 - 2025

	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
1.	Dark-bellied Brent Goose	0	0	7	0	0	0	0	0	0	0	7	0.7	0	7 (2018)
2.	Canada Goose	0	0	0	42	0	17	0	0	171	0	230	23	0	171 (2024)
3.	Barnacle Goose	0	0	0	0	0	1	0	0	0	0	1	0.1	0	1 (2021)
4.	Greylag Goose	492	342	494	267	468	139	249	254	313	244	3262	326	515	494 (2018)
5.	Anser sp.	1045	0	49	238	487	0	2	241	271	169	2502	250	0	1045 (2016)
6.	goose sp.	0	0	16	0	219	0	0	0	0	0	235	24	0	219 (2020)
7.	Tundra Bean Goose	103	0	0	0	0	0	0	0	0	0	103	10	0	103 (2016)
8.	Bean Goose sp.	0	0	0	0	9	0	0	33	60	0	102	10	0	60 (2024)
9.	Eurasian White-fronted Goose	3184	1	133	135	811	111	13	275	579	288	5530	553	0	3184 (2016)
10.	Mute Swan	9	2	0	6	3	6	9	0	3	4	42	4.2	0	9 (2016)
11.	Bewick's Swan	14	0	0	3	0	0	0	0	0	0	17	1.7	0	14 (2016)
12.	swan sp.	0	0	0	0	2	0	0	0	0	0	2	0.2	0	2 (2020)
13.	Egyptian Goose	96	19	14	25	26	12	22	58	78	21	371	37	0	96 (2016)
14.	Shelduck	0	0	1	4	2	0	0	0	1	1	9	0.9	0	4 (2019)
15.	Ruddy Shelduck	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2023)
16.	Shoveler	0	0	0	0	0	0	0	0	0	26	26	2.6	0	26 (2025)
17.	Gadwall	0	0	0	0	0	0	2	7	5	0	14	1.4	0	7 (2023)
18.	Wigeon	2	0	0	0	0	0	0	0	0	0	2	0.2	0	2 (2016)
19.	Mallard	0	0	5	0	30	42	4	39	40	0	160	16	0	42 (2021)
20.	Pintail	2	0	0	0	0	0	0	1	0	2	5	0.5	0	2 (2016)
21.	duck sp.	0	0	0	0	0	3	0	0	0	0	3	0.3	0	3 (2021)
22.	Pochard	0	0	0	0	0	0	0	31	0	15	46	4.6	0	31 (2023)
23.	Tufted Duck	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2022)
24.	Goldeneye	1	0	0	0	0	0	0	0	0	0	1	0.1	0	1 (2016)
25.	Red-breasted Merganser	0	0	3	0	0	0	0	0	0	1	4	0.4	0	3 (2018)
26.	Swift	0	0	0	1	0	0	0	0	0	2	3	0.3	0	2 (2025)
27.	Stock Dove	41	72	130	236	332	146	100	502	471	403	2433	243	1	502 (2023)
28.	Woodpigeon	628	723	3534	1972	4140	3295	522	1744	5721	3654	25933	2593	8	5721 (2024)
29.	Collared Dove	18	0	10	28	4	10	4	6	6	22	108	11	0	28 (2019)
30.	Golden Plover	0	0	0	0	0	0	37	40	0	0	77	7.7	0	40 (2023)
31.	Lapwing	692	268	987	227	127	56	54	151	135	185	2882	288	0	987 (2018)
32.	Curlew	1	0	0	0	0	0	0	1	1	3	6	0.6	0	3 (2025)
33.	Snipe	13	5	5	0	0	1	11	3	24	9	71	7.1	0	24 (2024)
34.	Green Sandpiper	2	17	1	1	1	0	0	0	3	1	26	2.6	0	17 (2017)
35.	wader sp.	0	9	1	1	1	0	0	0	0	3	15	1.5	0	9 (2017)
36.	Caspian Tern	0	0	0	0	0	0	0	0	0	3	3	0.3	0	3 (2025)
37.	Black Tern	0	0	0	0	0	0	0	0	0	3	3	0.3	0	3 (2025)
38.	Little Gull	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2023)
39.	Black-headed Gull	0	0	0	1061	1607	916	564	1731	1926	1183	8988	899	106	1926 (2024)
40.	Mediterranean Gull	5	0	0	4	0	0	1	14	4	69	97	9.7	0	69 (2025)
41.	Common Gull	2	0	0	120	290	113	75	326	375	282	1583	158	6	375 (2024)
42.	Caspian Gull	0	1	0	0	0	0	0	0	0	0	1	0.1	0	1 (2017)
43.	Herring Gull	0	0	0	1735	2767	1385	733	4029	4045	2629	17323	1732	1	4045 (2024)
44.	Great Black-backed Gull	4	2	1	1	45	23	22	76	86	103	363	36	0	103 (2025)
45.	Lesser Black-backed Gull	0	0	0	26	8	14	9	67	61	719	904	90	1	719 (2025)
46.	large gull sp.	0	0	0	0	11	0	0	0	0	0	11	1.1	0	11 (2020)
47.	White Stork	1	0	0	0	0	0	0	0	0	0	1	0.1	0	1 (2016)
48.	Cormorant	3631	945	3241	709	337	829	348	781	1333	876	13030	1303	2	3631 (2016)
49.	Glossy Ibis	0	0	0	0	0	0	0	0	0	1	1	0.1	0	1 (2025)
50.	Spoonbill	3	4	0	1	12	0	0	4	1	40	65	6.5	14	40 (2025)
	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
51.	Little Egret	1	0	0	0	0	0	1	0	0	6	8	0.8	0	6 (2025)
52.	Cattle Egret	0	0	0	0	0	0	0	0	3	4	7	0.7	0	4 (2025)
53.	Great White Egret	50	18	38	30	31	45	23	43	58	30	366	37	32	58 (2024)
54.	heron sp.	0	0	0	0	2	0	0	0	0	2	4	0.4	0	2 (2020)
55.	Grey Heron	11	17	24	23	17	12	7	29	45	16	201	20	12	45 (2024)
56.	Purple Heron	1	0	0	0	0	0	0	0	0	0	1	0.1	0	1 (2016)
57.	Osprey	1	0	1	0	1	0	0	0	1	7	11	1.1	0	7 (2025)
58.	Honey Buzzard	4	1	0	0	0	0	0	0	1	0	6	0.6	0	4 (2016)
59.	Sparrowhawk	34	45	26	84	78	71	48	92	66	76	620	62	18	92 (2023)
60.	Goshawk	2	2	0	6	0	1	1	2	0	1	15	1.5	2	6 (2019)
61.	Marsh Harrier	8	0	2	1	0	2	0	1	3	7	24	2.4	0	8 (2016)
62.	Hen Harrier	0	1	3	1	1	0	0	1	1	0	8	0.8	0	3 (2018)
63.	harrier sp.	0	0	0	0	0	1	0	1	0	0	2	0.2	0	1 (2021)
64.	Hen/Montagu's/Pallid Harrier	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2018)
65.	Red Kite	0	1	12	0	0	0	0	0	4	4	21	2.1	0	12 (2018)
66.	White-tailed Eagle	0	0	0	0	0	0	1	0	1	3	5	0.5	0	3 (2025)
67.	Common Buzzard	108	25	34	63	38	48	27	84	68	63	558	56	19	108 (2016)
68.	Buzzard/Honey Buzzard	1	0	0	0	0	0	0	0	0	0	1	0.1	0	1 (2016)
69.	Short-eared Owl	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2019)
70.	Kingfisher	0	0	0	0	0	0	0	0	0	1	1	0.1	0	1 (2025)
71.	Lesser Spotted Woodpecker	0	1	0	0	0	1	1	0	0	0	3	0.3	0	1 (2017)
72.	Great Spotted Woodpecker	10	26	0	8	32	12	10	28	6	37	169	17	3	37 (2025)
73.	Green Woodpecker	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2020)
74.	Kestrel	4	2	4	16	10	0	2	6	8	5	57	5.7	2	16 (2019)
75.	falcon sp.	0	0	0	1	0	0	0	1	1	1	4	0.4	0	1 (2019)
76.	Merlin	1	1	2	1	3	3	0	1	0	2	14	1.4	0	3 (2020)
77.	Hobby	0	0	1	1	0	0	0	2	0	2	6	0.6	1	2 (2023)
78.	Peregrine	1	0	0	0	0	2	4	3	4	13	27	2.7	4	13 (2025)
79.	Great Grey Shrike	0	0	0	0	0	0	0	0	0	1	1	0.1	0	1 (2025)
80.	Jay	0	0	3	295	13	1599	7	446	37	8	2408	241	8	1599 (2021)
81.	Magpie	0	0	8	4	0	0	0	0	23	0	35	3.5	0	23 (2024)
82.	Jackdaw	4092	1151	2141	654	1011	2608	245	1644	3332	1723	18601	1860	192	4092 (2016)
83.	Rook	22	14	23	7	8	1	0	0	4	3	82	8.2	0	23 (2018)
84.	Carrion Crow	29	38	30	89	56	65	22	28	1	8	366	37	0	89 (2019)
85.	Raven	0	0	0	0	0	0	0	0	4	0	4	0.4	0	4 (2024)
86.	Corvus sp.	0	0	4	3	0	0	0	0	0	0	7	0.7	0	4 (2018)
87.	Coal Tit	1	464	0	60	0	560	0	76	2	111	1274	127	0	560 (2021)
88.	Willow Tit	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2023)
89.	Blue Tit	2	380	19	938	412	3110	517	1695	695	1896	9664	966	3	3110 (2021)
90.	Great Tit	0	106	8	159	29	109	87	61	81	258	898	90	0	258 (2025)
91.	Parus (tit) sp.	0	409	0	511	31	570	0	24	0	0	1545	155	0	570 (2021)
92.	Penduline Tit	2	1	0	0	0	0	0	0	0	0	3	0.3	0	2 (2016)
93.	Bearded Tit	5	20	0	0	0	0	0	0	0	0	25	2.5	0	20 (2017)
94.	Wood Lark	164	133	226	193	105	69	69	261	177	210	1607	161	0	261 (2023)
95.	Skylark	5771	439	1303	853	222	293	91	341	997	215	10525	1053	0	5771 (2016)
96.	lark sp.	0	0	0	0	6	0	0	0	0	0	6	0.6	0	6 (2020)
97.	Sand Martin	23	1	16	5	0	3	0	0	4	86	138	14	0	86 (2025)
98.	Swallow	321	124	411	867	33	219	423	333	264	4139	7134	713	20	4139 (2025)
99.	House Martin	9	0	2	0	0	27	38	100	18	1733	1927	193	0	1733 (2025)
100.	Long-tailed Tit	0	0	0	5	0	0	11	0	0	8	24	2.4	0	11 (2022)
	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
101.	Yellow-browed Warbler	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2020)
102.	Chiffchaff	1	0	0	0	0	0	0	0	1	4	6	0.6	0	4 (2025)
103.	Blackcap	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2019)
104.	Firecrest	0	0	0	0	0	1	0	0	0	0	1	0.1	0	1 (2021)
105.	Goldcrest	0	0	0	0	0	3	0	0	0	0	3	0.3	0	3 (2021)
106.	Starling	20507	23165	23252	11056	9369	11299	2655	12288	11476	6676	131743	13174	30	23252 (2018)
107.	Song Thrush	2175	1289	1155	988	356	575	1073	354	1208	669	9842	984	1	2175 (2016)
108.	Mistle Thrush	79	84	102	26	22	30	18	8	96	28	493	49	0	102 (2018)
109.	Redwing	6853	9793	5114	2608	3911	11935	1700	2970	5886	2241	53011	5301	0	11935 (2021)
110.	Blackbird	68	190	46	78	42	83	5	36	51	20	619	62	0	190 (2017)
111.	Fieldfare	3091	408	2269	949	5145	229	212	1137	305	287	14032	1403	0	5145 (2020)
112.	Ring Ouzel	1	7	1	5	0	12	2	1	0	0	29	2.9	0	12 (2021)
113.	thrush sp.	64	849	1722	1522	197	618	23	4046	167	111	9319	932	2	4046 (2023)
114.	Black Redstart	1	1	0	0	0	0	1	0	0	0	3	0.3	0	1 (2016)
115.	Redstart	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2024)
116.	Wheatear	0	8	0	0	1	0	0	0	0	12	21	2.1	0	12 (2025)
117.	Tree Sparrow	127	226	57	47	21	7	5	1	0	0	491	49	0	226 (2017)
118.	House Sparrow	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2019)
119.	Dunnock	141	117	215	83	42	107	68	38	51	130	992	99	6	215 (2018)
120.	Blue-headed Wagtail	40	78	28	55	1	1	1	10	8	9	231	23	0	78 (2017)
121.	Yellow wagtail sp.	0	0	0	0	0	1	0	8	0	10	19	1.9	0	10 (2025)
122.	Grey Wagtail	96	55	89	35	26	5	12	44	50	37	449	45	0	96 (2016)
123.	White Wagtail	421	342	285	298	142	144	81	162	227	121	2223	222	0	421 (2016)
124.	Motacilla (wagtail) sp.	0	0	2	1	0	0	0	1	0	4	8	0.8	0	4 (2025)
125.	Richard's Pipit	1	0	0	0	0	0	0	0	0	0	1	0.1	0	1 (2016)
126.	Meadow Pipit	3611	2583	2146	1943	300	860	730	1435	647	333	14588	1459	0	3611 (2016)
127.	Tree Pipit	49	55	75	32	3	26	6	79	46	56	427	43	0	79 (2023)
128.	Water Pipit	1	0	2	0	0	0	0	0	0	0	3	0.3	0	2 (2018)
129.	Rock Pipit/Water Pipit	0	0	0	0	0	0	0	0	0	1	1	0.1	0	1 (2025)
130.	pipit sp.	0	0	0	0	2	2	0	2	0	6	12	1.2	0	6 (2025)
131.	Chaffinch	47038	98768	54011	47203	17363	6643	8626	33678	17675	20788	351793	35179	9	98768 (2017)
132.	Brambling	77	478	556	289	138	1141	52	116	94	80	3021	302	0	1141 (2021)
133.	finch sp.	0	0	87	95	602	1473	3	99	0	280	2639	264	0	1473 (2021)
134.	Chaffinch/Brambling	0	692	0	0	1187	8538	0	0	0	0	10417	1042	0	8538 (2021)
135.	Hawfinch	25	489	65	69	39	124	31	29	280	47	1198	120	0	489 (2017)
136.	Bullfinch	0	3	0	0	1	0	0	5	5	0	14	1.4	0	5 (2023)
137.	Greenfinch	557	589	333	336	365	110	161	222	234	158	3065	307	19	589 (2017)
138.	Linnet	236	540	921	1095	25	227	343	585	142	353	4467	447	0	1095 (2019)
139.	redpoll sp.	8	33	11	6	16	10	6	49	3	35	177	18	0	49 (2023)
140.	Crossbill	51	73	0	29	0	5	0	78	0	0	236	24	0	78 (2023)
141.	Goldfinch	132	142	105	119	211	113	85	280	142	35	1364	136	17	280 (2023)
142.	Serin	3	5	0	1	1	0	0	0	0	0	10	1	0	5 (2017)
143.	Siskin	297	388	614	4022	832	1971	565	2593	776	711	12769	1277	49	4022 (2019)
144.	Yellowhammer	0	0	2	0	0	0	0	0	0	0	2	0.2	0	2 (2018)
145.	Ortolan Bunting	1	0	0	0	0	0	0	0	0	0	1	0.1	0	1 (2016)
146.	Little Bunting	2	0	0	0	0	0	0	0	0	0	2	0.2	0	2 (2016)
147.	Reed Bunting	1194	442	498	213	152	143	51	172	205	155	3225	323	1	1194 (2016)
148.	bunting sp.	2	0	0	1	5	0	0	0	1	0	9	0.9	0	5 (2020)
149.	passerine sp.	29	15	716	837	13	10	24	494	44	17	2199	220	0	837 (2019)
	Other species
1.	Red Admiral	1	0	1	1	0	0	0	1	0	0	4	0.4	0	1 (2016)
	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
	Totals	107647	147737	107454	85766	54410	62996	20956	76741	61443	55054	780204	78020	1104
	Observation hours	103:35	81:29	93:04	64:14	85:48	82:46	38:02	119:04	150:30	137:20	955:52	95:35

Trektellen

Totals Opstalvallei 2016 - 2025