Select until 15 January

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	0.8	0	7 (2018)
2.	Canada Goose	0	0	0	42	0	17	0	0	171	0	230	26	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	0	3018	335	325	494 (2018)
5.	Anser sp.	1045	0	49	238	487	0	2	241	271	0	2333	259	0	1045 (2016)
6.	goose sp.	0	0	16	0	219	0	0	0	0	0	235	26	0	219 (2020)
7.	Tundra Bean Goose	103	0	0	0	0	0	0	0	0	0	103	11	0	103 (2016)
8.	Bean Goose sp.	0	0	0	0	9	0	0	33	60	0	102	11	0	60 (2024)
9.	Eurasian White-fronted Goose	3184	1	133	135	811	111	13	275	579	0	5242	582	0	3184 (2016)
10.	Mute Swan	9	2	0	6	3	6	9	0	3	0	38	4.2	0	9 (2016)
11.	Bewick's Swan	14	0	0	3	0	0	0	0	0	0	17	1.9	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	0	350	39	0	96 (2016)
14.	Shelduck	0	0	1	4	2	0	0	0	1	0	8	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.	Gadwall	0	0	0	0	0	0	2	7	5	0	14	1.6	0	7 (2023)
17.	Wigeon	2	0	0	0	0	0	0	0	0	0	2	0.2	0	2 (2016)
18.	Mallard	0	0	5	0	30	42	4	39	40	0	160	18	0	42 (2021)
19.	Pintail	2	0	0	0	0	0	0	1	0	0	3	0.3	0	2 (2016)
20.	duck sp.	0	0	0	0	0	3	0	0	0	0	3	0.3	0	3 (2021)
21.	Pochard	0	0	0	0	0	0	0	31	0	0	31	3.4	0	31 (2023)
22.	Tufted Duck	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2022)
23.	Goldeneye	1	0	0	0	0	0	0	0	0	0	1	0.1	0	1 (2016)
24.	Red-breasted Merganser	0	0	3	0	0	0	0	0	0	0	3	0.3	0	3 (2018)
25.	Swift	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2019)
26.	Stock Dove	41	72	130	236	332	146	100	502	471	0	2030	226	1	502 (2023)
27.	Woodpigeon	628	723	3534	1972	4140	3295	522	1744	5721	0	22279	2475	8	5721 (2024)
28.	Collared Dove	18	0	10	28	4	10	4	6	6	0	86	9.6	0	28 (2019)
29.	Golden Plover	0	0	0	0	0	0	37	40	0	0	77	8.6	0	40 (2023)
30.	Lapwing	692	268	987	227	127	56	54	151	135	0	2697	300	0	987 (2018)
31.	Curlew	1	0	0	0	0	0	0	1	1	0	3	0.3	0	1 (2016)
32.	Snipe	13	5	5	0	0	1	11	3	24	0	62	6.9	0	24 (2024)
33.	Green Sandpiper	2	17	1	1	1	0	0	0	3	0	25	2.8	0	17 (2017)
34.	wader sp.	0	9	1	1	1	0	0	0	0	0	12	1.3	0	9 (2017)
35.	Little Gull	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2023)
36.	Black-headed Gull	0	0	0	1061	1607	916	564	1731	1926	0	7805	867	1	1926 (2024)
37.	Mediterranean Gull	5	0	0	4	0	0	1	14	4	0	28	3.1	0	14 (2023)
38.	Common Gull	2	0	0	120	290	113	75	326	375	0	1301	145	4	375 (2024)
39.	Caspian Gull	0	1	0	0	0	0	0	0	0	0	1	0.1	0	1 (2017)
40.	Herring Gull	0	0	0	1735	2767	1385	733	4029	4045	0	14694	1633	1	4045 (2024)
41.	Great Black-backed Gull	4	2	1	1	45	23	22	76	86	0	260	29	0	86 (2024)
42.	Lesser Black-backed Gull	0	0	0	26	8	14	9	67	61	0	185	21	0	67 (2023)
43.	large gull sp.	0	0	0	0	11	0	0	0	0	0	11	1.2	0	11 (2020)
44.	White Stork	1	0	0	0	0	0	0	0	0	0	1	0.1	0	1 (2016)
45.	Cormorant	3631	945	3241	709	337	829	348	781	1333	0	12154	1350	2	3631 (2016)
46.	Spoonbill	3	4	0	1	12	0	0	4	1	0	25	2.8	10	12 (2020)
47.	Little Egret	1	0	0	0	0	0	1	0	0	0	2	0.2	0	1 (2016)
48.	Cattle Egret	0	0	0	0	0	0	0	0	3	0	3	0.3	0	3 (2024)
49.	Great White Egret	50	18	38	30	31	45	23	43	58	0	336	37	25	58 (2024)
50.	heron sp.	0	0	0	0	2	0	0	0	0	0	2	0.2	0	2 (2020)
	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
51.	Grey Heron	11	17	24	23	17	12	7	29	45	0	185	21	11	45 (2024)
52.	Purple Heron	1	0	0	0	0	0	0	0	0	0	1	0.1	0	1 (2016)
53.	Osprey	1	0	1	0	1	0	0	0	1	0	4	0.4	0	1 (2016)
54.	Honey Buzzard	4	1	0	0	0	0	0	0	1	0	6	0.7	0	4 (2016)
55.	Sparrowhawk	34	45	26	84	78	71	48	92	66	0	544	60	16	92 (2023)
56.	Goshawk	2	2	0	6	0	1	1	2	0	0	14	1.6	2	6 (2019)
57.	Marsh Harrier	8	0	2	1	0	2	0	1	3	0	17	1.9	0	8 (2016)
58.	Hen Harrier	0	1	3	1	1	0	0	1	1	0	8	0.9	0	3 (2018)
59.	harrier sp.	0	0	0	0	0	1	0	1	0	0	2	0.2	0	1 (2021)
60.	Hen/Montagu's/Pallid Harrier	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2018)
61.	Red Kite	0	1	12	0	0	0	0	0	4	0	17	1.9	0	12 (2018)
62.	White-tailed Eagle	0	0	0	0	0	0	1	0	1	0	2	0.2	0	1 (2022)
63.	Common Buzzard	108	25	34	63	38	48	27	84	68	0	495	55	17	108 (2016)
64.	Buzzard/Honey Buzzard	1	0	0	0	0	0	0	0	0	0	1	0.1	0	1 (2016)
65.	Short-eared Owl	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2019)
66.	Lesser Spotted Woodpecker	0	1	0	0	0	1	1	0	0	0	3	0.3	0	1 (2017)
67.	Great Spotted Woodpecker	10	26	0	8	32	12	10	28	6	0	132	15	3	32 (2020)
68.	Green Woodpecker	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2020)
69.	Kestrel	4	2	4	16	10	0	2	6	8	0	52	5.8	2	16 (2019)
70.	falcon sp.	0	0	0	1	0	0	0	1	1	0	3	0.3	0	1 (2019)
71.	Merlin	1	1	2	1	3	3	0	1	0	0	12	1.3	0	3 (2020)
72.	Hobby	0	0	1	1	0	0	0	2	0	0	4	0.4	1	2 (2023)
73.	Peregrine	1	0	0	0	0	2	4	3	4	0	14	1.6	4	4 (2022)
74.	Jay	0	0	3	295	13	1599	7	446	37	0	2400	267	8	1599 (2021)
75.	Magpie	0	0	8	4	0	0	0	0	23	0	35	3.9	0	23 (2024)
76.	Jackdaw	4092	1151	2141	654	1011	2608	245	1644	3332	0	16878	1875	192	4092 (2016)
77.	Rook	22	14	23	7	8	1	0	0	4	0	79	8.8	0	23 (2018)
78.	Carrion Crow	29	38	30	89	56	65	22	28	1	0	358	40	0	89 (2019)
79.	Raven	0	0	0	0	0	0	0	0	4	0	4	0.4	0	4 (2024)
80.	Corvus sp.	0	0	4	3	0	0	0	0	0	0	7	0.8	0	4 (2018)
81.	Coal Tit	1	464	0	60	0	560	0	76	2	0	1163	129	0	560 (2021)
82.	Willow Tit	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2023)
83.	Blue Tit	2	380	19	938	412	3110	517	1695	695	0	7768	863	3	3110 (2021)
84.	Great Tit	0	106	8	159	29	109	87	61	81	0	640	71	0	159 (2019)
85.	Parus (tit) sp.	0	409	0	511	31	570	0	24	0	0	1545	172	0	570 (2021)
86.	Penduline Tit	2	1	0	0	0	0	0	0	0	0	3	0.3	0	2 (2016)
87.	Bearded Tit	5	20	0	0	0	0	0	0	0	0	25	2.8	0	20 (2017)
88.	Wood Lark	164	133	226	193	105	69	69	261	177	0	1397	155	0	261 (2023)
89.	Skylark	5771	439	1303	853	222	293	91	341	997	0	10310	1146	0	5771 (2016)
90.	lark sp.	0	0	0	0	6	0	0	0	0	0	6	0.7	0	6 (2020)
91.	Sand Martin	23	1	16	5	0	3	0	0	4	0	52	5.8	0	23 (2016)
92.	Swallow	321	124	411	867	33	219	423	333	264	0	2995	333	0	867 (2019)
93.	House Martin	9	0	2	0	0	27	38	100	18	0	194	22	0	100 (2023)
94.	Long-tailed Tit	0	0	0	5	0	0	11	0	0	0	16	1.8	0	11 (2022)
95.	Yellow-browed Warbler	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2020)
96.	Chiffchaff	1	0	0	0	0	0	0	0	1	0	2	0.2	0	1 (2016)
97.	Blackcap	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2019)
98.	Firecrest	0	0	0	0	0	1	0	0	0	0	1	0.1	0	1 (2021)
99.	Goldcrest	0	0	0	0	0	3	0	0	0	0	3	0.3	0	3 (2021)
100.	Starling	20507	23165	23252	11056	9369	11299	2655	12288	11476	0	125067	13896	30	23252 (2018)
	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
101.	Song Thrush	2175	1289	1155	988	356	575	1073	354	1208	0	9173	1019	1	2175 (2016)
102.	Mistle Thrush	79	84	102	26	22	30	18	8	96	0	465	52	0	102 (2018)
103.	Redwing	6853	9793	5114	2608	3911	11935	1700	2970	5886	0	50770	5641	0	11935 (2021)
104.	Blackbird	68	190	46	78	42	83	5	36	51	0	599	67	0	190 (2017)
105.	Fieldfare	3091	408	2269	949	5145	229	212	1137	305	0	13745	1527	0	5145 (2020)
106.	Ring Ouzel	1	7	1	5	0	12	2	1	0	0	29	3.2	0	12 (2021)
107.	thrush sp.	64	849	1722	1522	197	618	23	4046	167	0	9208	1023	2	4046 (2023)
108.	Black Redstart	1	1	0	0	0	0	1	0	0	0	3	0.3	0	1 (2016)
109.	Redstart	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2024)
110.	Wheatear	0	8	0	0	1	0	0	0	0	0	9	1	0	8 (2017)
111.	Tree Sparrow	127	226	57	47	21	7	5	1	0	0	491	55	0	226 (2017)
112.	House Sparrow	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2019)
113.	Dunnock	141	117	215	83	42	107	68	38	51	0	862	96	1	215 (2018)
114.	Blue-headed Wagtail	40	78	28	55	1	1	1	10	8	0	222	25	0	78 (2017)
115.	Yellow wagtail sp.	0	0	0	0	0	1	0	8	0	0	9	1	0	8 (2023)
116.	Grey Wagtail	96	55	89	35	26	5	12	44	50	0	412	46	0	96 (2016)
117.	White Wagtail	421	342	285	298	142	144	81	162	227	0	2102	234	0	421 (2016)
118.	Motacilla (wagtail) sp.	0	0	2	1	0	0	0	1	0	0	4	0.4	0	2 (2018)
119.	Richard's Pipit	1	0	0	0	0	0	0	0	0	0	1	0.1	0	1 (2016)
120.	Meadow Pipit	3611	2583	2146	1943	300	860	730	1435	647	0	14255	1584	0	3611 (2016)
121.	Tree Pipit	49	55	75	32	3	26	6	79	46	0	371	41	0	79 (2023)
122.	Water Pipit	1	0	2	0	0	0	0	0	0	0	3	0.3	0	2 (2018)
123.	pipit sp.	0	0	0	0	2	2	0	2	0	0	6	0.7	0	2 (2020)
124.	Chaffinch	47038	98768	54011	47203	17363	6643	8626	33678	17675	0	331005	36778	9	98768 (2017)
125.	Brambling	77	478	556	289	138	1141	52	116	94	0	2941	327	0	1141 (2021)
126.	finch sp.	0	0	87	95	602	1473	3	99	0	0	2359	262	0	1473 (2021)
127.	Chaffinch/Brambling	0	692	0	0	1187	8538	0	0	0	0	10417	1157	0	8538 (2021)
128.	Hawfinch	25	489	65	69	39	124	31	29	280	0	1151	128	0	489 (2017)
129.	Bullfinch	0	3	0	0	1	0	0	5	5	0	14	1.6	0	5 (2023)
130.	Greenfinch	557	589	333	336	365	110	161	222	234	0	2907	323	19	589 (2017)
131.	Linnet	236	540	921	1095	25	227	343	585	142	0	4114	457	0	1095 (2019)
132.	redpoll sp.	8	33	11	6	16	10	6	49	3	0	142	16	0	49 (2023)
133.	Crossbill	51	73	0	29	0	5	0	78	0	0	236	26	0	78 (2023)
134.	Goldfinch	132	142	105	119	211	113	85	280	142	0	1329	148	17	280 (2023)
135.	Serin	3	5	0	1	1	0	0	0	0	0	10	1.1	0	5 (2017)
136.	Siskin	297	388	614	4022	832	1971	565	2593	776	0	12058	1340	49	4022 (2019)
137.	Yellowhammer	0	0	2	0	0	0	0	0	0	0	2	0.2	0	2 (2018)
138.	Ortolan Bunting	1	0	0	0	0	0	0	0	0	0	1	0.1	0	1 (2016)
139.	Little Bunting	2	0	0	0	0	0	0	0	0	0	2	0.2	0	2 (2016)
140.	Reed Bunting	1194	442	498	213	152	143	51	172	205	0	3070	341	1	1194 (2016)
141.	bunting sp.	2	0	0	1	5	0	0	0	1	0	9	1	0	5 (2020)
142.	passerine sp.	29	15	716	837	13	10	24	494	44	0	2182	242	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	0	725150	80572	765
	Observation hours	103:35	81:29	93:04	64:14	85:48	82:46	38:02	119:04	150:30		818:32	90:57

Trektellen

Totals Opstalvallei 2016 - 2025