Select until 30 April

Totals Hoogekampse Plas, De Bilt 2016 - 2025

	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
1.	Fulvous Whistling Duck	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2022)
2.	Canada Goose	2	0	15	31	84	87	23	91	3	0	336	34	11	91 (2023)
3.	Barnacle Goose	1339	1885	1012	590	3201	4357	1648	659	2406	1025	18122	1812	5	4357 (2021)
4.	Bar-headed Goose	2	0	0	0	0	0	0	0	0	0	2	0.2	0	2 (2016)
5.	Greylag Goose	2042	1613	856	2498	3446	3210	1250	962	1467	426	17770	1777	690	3446 (2020)
6.	Anser sp.	507	0	12	0	70	0	0	0	0	177	766	77	0	507 (2016)
7.	goose sp.	0	79	37	513	1656	225	239	202	331	31	3313	331	0	1656 (2020)
8.	Pink-footed Goose	0	0	0	0	40	0	0	0	0	0	40	4	0	40 (2020)
9.	Tundra Bean Goose	170	29	10	29	378	402	29	172	100	113	1432	143	0	402 (2021)
10.	Bean Goose sp.	31	0	0	0	0	0	0	0	0	0	31	3.1	0	31 (2016)
11.	Eurasian White-fronted Goose	4100	3196	2445	3751	14585	6556	4267	7853	5472	8280	60505	6051	13	14585 (2020)
12.	Mute Swan	21	30	19	68	11	44	11	13	6	0	223	22	4	68 (2019)
13.	Bewick's Swan	11	46	0	3	0	118	1	0	0	0	179	18	0	118 (2021)
14.	Whooper Swan	1	1	0	0	0	0	0	1	0	0	3	0.3	0	1 (2016)
15.	swan sp.	0	0	0	0	0	0	17	0	0	0	17	1.7	0	17 (2022)
16.	Egyptian Goose	81	26	0	0	169	80	33	3	13	0	405	41	0	169 (2020)
17.	Shelduck	7	6	3	7	16	8	7	15	1	14	84	8.4	0	16 (2020)
18.	Ruddy Shelduck	0	0	5	0	2	4	0	0	4	2	17	1.7	0	5 (2018)
19.	Garganey	1	2	1	0	2	1	1	0	0	0	8	0.8	0	2 (2017)
20.	Shoveler	10	34	30	21	30	193	57	14	7	2	398	40	83	193 (2021)
21.	Gadwall	5	3	8	11	154	86	50	22	0	8	347	35	0	154 (2020)
22.	Wigeon	74	15	0	287	6	708	2305	35	4	134	3568	357	7	2305 (2022)
23.	Mallard	28	0	9	47	84	268	132	29	12	7	616	62	0	268 (2021)
24.	Pintail	4	147	0	18	8	18	24	4	46	0	269	27	1	147 (2017)
25.	Teal	0	0	0	75	3	8	16	3	6	2	113	11	6	75 (2019)
26.	duck sp.	0	0	15	21	8	107	76	0	16	22	265	27	0	107 (2021)
27.	Red-crested Pochard	0	0	0	0	0	1	1	0	0	0	2	0.2	0	1 (2021)
28.	Pochard	18	0	5	0	5	6	5	1	14	0	54	5.4	0	18 (2016)
29.	Tufted Duck	3	0	0	3	11	6	5	4	0	2	34	3.4	0	11 (2020)
30.	Goldeneye	0	0	0	0	3	0	0	0	0	0	3	0.3	0	3 (2020)
31.	Smew	1	0	0	0	0	0	0	0	0	0	1	0.1	0	1 (2016)
32.	Goosander	3	0	3	0	3	16	11	0	4	1	41	4.1	0	16 (2021)
33.	Red-breasted Merganser	0	0	0	0	0	1	0	0	0	0	1	0.1	0	1 (2021)
34.	Alpine Swift	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2018)
35.	Swift	71	932	262	1615	1451	1838	98	2752	148	317	9484	948	0	2752 (2023)
36.	Cuckoo	1	1	0	3	3	2	1	4	2	3	20	2	1	4 (2023)
37.	Stock Dove	81	56	58	140	309	185	185	118	117	41	1290	129	3	309 (2020)
38.	Woodpigeon	3862	1127	2115	2511	2743	1295	1668	4245	2516	368	22450	2245	0	4245 (2023)
39.	Collared Dove	11	3	3	10	46	37	17	18	10	7	162	16	0	46 (2020)
40.	Crane	0	4	30	3	0	0	16	0	1	8	62	6.2	0	30 (2018)
41.	Great Crested Grebe	1	0	0	1	0	6	5	4	0	3	20	2	0	6 (2021)
42.	Oystercatcher	8	9	9	16	17	31	36	11	12	7	156	16	30	36 (2022)
43.	Avocet	0	0	0	1	2	0	0	1	0	0	4	0.4	0	2 (2020)
44.	Grey Plover	0	0	3	0	0	1	0	0	0	0	4	0.4	0	3 (2018)
45.	Golden Plover	33	3	11	30	143	24	26	41	2	340	653	65	0	340 (2025)
46.	Dotterel	0	0	0	0	0	1	0	0	0	0	1	0.1	0	1 (2021)
47.	Ringed Plover	5	0	4	4	3	6	0	3	4	0	29	2.9	0	6 (2021)
48.	Little Ringed Plover	3	11	6	6	30	46	43	25	7	27	204	20	21	46 (2021)
49.	Lapwing	575	452	901	391	585	734	1753	181	270	1403	7245	725	233	1753 (2022)
50.	Whimbrel	26	154	3	7	39	173	90	13	27	79	611	61	3	173 (2021)
	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
51.	Curlew	5	19	9	5	11	30	43	3	2	7	134	13	0	43 (2022)
52.	Bar-tailed Godwit	0	0	0	1	0	1	0	0	0	0	2	0.2	0	1 (2019)
53.	Black-tailed Godwit	41	8	51	26	20	43	27	23	13	21	273	27	0	51 (2018)
54.	Jack Snipe	0	0	0	0	1	1	0	0	0	0	2	0.2	0	1 (2020)
55.	Woodcock	1	0	1	2	0	0	2	1	0	0	7	0.7	0	2 (2019)
56.	Snipe	51	27	31	93	241	385	94	132	54	10	1118	112	129	385 (2021)
57.	Common Sandpiper	0	3	3	5	20	40	0	19	4	0	94	9.4	38	40 (2021)
58.	Green Sandpiper	16	37	19	51	74	99	17	39	22	50	424	42	11	99 (2021)
59.	Wood Sandpiper	0	1	0	0	14	23	6	4	0	1	49	4.9	0	23 (2021)
60.	Redshank	34	20	15	19	53	59	35	7	7	61	310	31	8	61 (2025)
61.	Spotted Redshank	0	0	0	0	0	3	0	0	3	0	6	0.6	0	3 (2021)
62.	Greenshank	7	6	2	5	21	59	9	5	1	2	117	12	7	59 (2021)
63.	Turnstone	0	0	0	0	0	1	0	0	0	0	1	0.1	0	1 (2021)
64.	Ruff	7	1	5	42	2	3	10	160	0	0	230	23	9	160 (2023)
65.	Broad-billed Sandpiper	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2020)
66.	wader sp.	1	0	5	13	0	27	4	56	27	4	137	14	0	56 (2023)
67.	Temminck's Stint	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2019)
68.	Dunlin	3	1	0	2	15	17	2	0	0	0	40	4	0	17 (2021)
69.	Little Stint	1	0	0	0	0	1	0	0	0	0	2	0.2	0	1 (2016)
70.	Pectoral Sandpiper	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2020)
71.	Calidris sp.	1	1	0	0	2	0	0	0	0	0	4	0.4	0	2 (2020)
72.	Caspian Tern	0	0	0	0	1	2	0	0	0	0	3	0.3	0	2 (2021)
73.	Black Tern	32	9	0	2	5	8	2	1	0	0	59	5.9	0	32 (2016)
74.	Common/Arctic Tern	0	0	0	0	0	0	0	0	2	0	2	0.2	0	2 (2024)
75.	Common Tern	7	11	1	16	15	39	18	19	13	6	145	15	17	39 (2021)
76.	Little Gull	0	2	0	1	1	424	3	1	0	2	434	43	11	424 (2021)
77.	Black-headed Gull	5644	1596	877	12445	5267	7079	10827	2487	2075	976	49273	4927	261	12445 (2019)
78.	Mediterranean Gull	3	8	0	15	22	20	18	4	0	16	106	11	0	22 (2020)
79.	Common Gull	261	131	122	626	358	237	665	185	39	110	2734	273	0	665 (2022)
80.	Caspian Gull	0	1	0	2	6	23	8	12	3	8	63	6.3	0	23 (2021)
81.	Herring Gull	57	64	37	80	101	114	90	58	10	18	629	63	1	114 (2021)
82.	Yellow-legged Gull	0	0	0	1	3	3	0	0	3	1	11	1.1	0	3 (2020)
83.	Great Black-backed Gull	0	0	1	0	1	2	0	0	0	0	4	0.4	0	2 (2021)
84.	Lesser Black-backed Gull	341	183	208	1089	1111	1630	1109	1249	585	218	7723	772	104	1630 (2021)
85.	Laridae sp.	0	0	0	1	3	0	1	0	0	0	5	0.5	0	3 (2020)
86.	large gull sp.	0	0	0	0	3	13	10	0	1	6	33	3.3	0	13 (2021)
87.	Black Stork	0	0	0	1	1	3	0	1	0	0	6	0.6	0	3 (2021)
88.	White Stork	13	44	47	69	36	284	96	149	35	37	810	81	7	284 (2021)
89.	Ciconia sp.	0	0	0	1	1	1	0	0	0	0	3	0.3	0	1 (2019)
90.	Cormorant	1106	1600	613	2011	2412	2231	1522	1444	1049	1502	15490	1549	64	2412 (2020)
91.	Spoonbill	5	4	13	46	44	49	8	22	8	13	212	21	9	49 (2021)
92.	Little Egret	0	0	0	0	1	0	1	0	1	0	3	0.3	0	1 (2020)
93.	Cattle Egret	0	0	0	0	0	0	0	2	0	0	2	0.2	0	2 (2023)
94.	Great White Egret	37	22	30	75	102	93	42	59	81	23	564	56	8	102 (2020)
95.	heron sp.	0	0	0	14	1	0	1	0	0	0	16	1.6	0	14 (2019)
96.	Grey Heron	40	40	29	177	137	111	68	55	56	63	776	78	2	177 (2019)
97.	Purple Heron	2	6	2	5	8	17	2	15	12	8	77	7.7	0	17 (2021)
98.	Osprey	2	2	4	8	4	5	7	10	6	1	49	4.9	0	10 (2023)
99.	Honey Buzzard	9	1	18	6	7	19	4	9	13	0	86	8.6	2	19 (2021)
100.	Griffon Vulture	0	0	0	0	14	0	0	0	0	0	14	1.4	0	14 (2020)
	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
101.	Short-toed Eagle	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2020)
102.	Sparrowhawk	45	50	46	130	142	184	156	133	63	39	988	99	13	184 (2021)
103.	Goshawk	1	2	2	0	0	0	0	2	0	0	7	0.7	1	2 (2017)
104.	Marsh Harrier	13	18	16	54	49	95	44	89	44	44	466	47	1	95 (2021)
105.	Hen Harrier	0	0	3	2	4	2	4	5	3	1	24	2.4	0	5 (2023)
106.	Montagu's Harrier	0	0	0	1	0	0	0	0	0	1	2	0.2	0	1 (2019)
107.	harrier sp.	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2023)
108.	Hen/Montagu's/Pallid Harrier	0	0	0	0	0	2	0	1	0	0	3	0.3	0	2 (2021)
109.	Red Kite	3	0	2	0	4	6	3	2	2	0	22	2.2	0	6 (2021)
110.	Black Kite	2	1	1	1	1	3	1	1	1	0	12	1.2	0	3 (2021)
111.	White-tailed Eagle	0	0	0	2	3	2	7	4	2	0	20	2	0	7 (2022)
112.	Rough-legged Buzzard	0	1	0	0	0	0	0	0	0	0	1	0.1	0	1 (2017)
113.	Common Buzzard	38	32	11	283	135	328	126	90	24	14	1081	108	55	328 (2021)
114.	raptor sp.	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2022)
115.	Buzzard/Honey Buzzard	0	0	0	1	0	0	0	1	0	0	2	0.2	0	1 (2019)
116.	Short-eared Owl	0	0	0	0	1	0	0	1	1	1	4	0.4	0	1 (2020)
117.	Lesser Spotted Woodpecker	0	0	0	2	0	2	0	0	0	0	4	0.4	0	2 (2019)
118.	Great Spotted Woodpecker	10	2	19	13	48	75	27	36	12	7	249	25	2	75 (2021)
119.	Black Woodpecker	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2022)
120.	Green Woodpecker	1	0	0	0	0	1	0	0	0	0	2	0.2	0	1 (2016)
121.	Kestrel	8	13	4	42	23	49	18	26	13	28	224	22	3	49 (2021)
122.	falcon sp.	0	0	0	2	1	0	1	0	0	0	4	0.4	0	2 (2019)
123.	Red-footed Falcon	1	0	1	1	0	0	1	0	2	0	6	0.6	0	2 (2024)
124.	Merlin	0	2	0	9	6	15	5	3	4	7	51	5.1	0	15 (2021)
125.	Hobby	4	10	4	7	5	26	3	10	5	1	75	7.5	2	26 (2021)
126.	Peregrine	8	14	9	8	7	6	5	5	5	1	68	6.8	5	14 (2017)
127.	Yellow-crowned Amazon	0	0	0	0	0	0	0	0	0	1	1	0.1	0	1 (2025)
128.	Rose-ringed Parakeet	221	10	4	77	43	0	0	0	0	0	355	36	0	221 (2016)
129.	Golden Oriole	0	0	0	2	0	0	0	0	0	0	2	0.2	0	2 (2019)
130.	Jay	6	1	3	1027	42	1603	25	24	5	11	2747	275	0	1603 (2021)
131.	Magpie	32	3	0	19	43	25	33	39	2	14	210	21	0	43 (2020)
132.	Jackdaw	45	0	4	777	184	409	130	90	74	69	1782	178	0	777 (2019)
133.	Rook	43	15	0	2	10	5	5	24	3	2	109	11	0	43 (2016)
134.	Carrion Crow	46	0	0	130	18	48	34	30	3	1	310	31	0	130 (2019)
135.	Raven	8	5	2	0	0	0	4	4	0	0	23	2.3	0	8 (2016)
136.	Corvus sp.	0	0	0	0	0	2	0	0	0	0	2	0.2	0	2 (2021)
137.	Coal Tit	0	3	0	17	10	36	0	16	0	0	82	8.2	0	36 (2021)
138.	Marsh Tit	0	0	0	2	0	1	1	0	0	1	5	0.5	0	2 (2019)
139.	Blue Tit	10	34	9	200	154	241	185	66	42	22	963	96	0	241 (2021)
140.	Great Tit	0	17	2	140	83	133	109	12	12	2	510	51	0	140 (2019)
141.	Parus (tit) sp.	0	0	0	0	6	0	0	0	0	0	6	0.6	0	6 (2020)
142.	Penduline Tit	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2019)
143.	Bearded Tit	0	0	0	2	2	0	0	0	0	0	4	0.4	0	2 (2019)
144.	Wood Lark	20	13	13	38	85	47	67	65	34	7	389	39	0	85 (2020)
145.	Skylark	1468	212	1198	1837	721	498	536	463	686	39	7658	766	0	1837 (2019)
146.	Sand Martin	51	121	11	209	144	728	106	105	38	109	1622	162	106	728 (2021)
147.	Swallow	535	505	447	2082	1263	7790	793	1327	1109	685	16536	1654	467	7790 (2021)
148.	House Martin	53	44	111	91	555	1619	1006	159	408	58	4104	410	42	1619 (2021)
149.	Cetti's Warbler	0	0	0	1	0	0	2	0	0	0	3	0.3	0	2 (2022)
150.	Long-tailed Tit	9	21	0	23	58	86	7	8	36	5	253	25	0	86 (2021)
	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
151.	Northern Long-tailed Tit	0	0	0	0	2	0	0	0	0	0	2	0.2	0	2 (2020)
152.	Yellow-browed Warbler	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2019)
153.	Willow Warbler	1	0	1	2	2	2	1	0	0	0	9	0.9	0	2 (2019)
154.	Chiffchaff	0	7	7	72	61	108	43	31	31	10	370	37	0	108 (2021)
155.	Chiffchaff (Siberian - tristis)	0	0	0	0	0	1	0	0	0	0	1	0.1	0	1 (2021)
156.	Chiffchaff/Willow Warbler	0	0	2	1	13	23	7	0	0	0	46	4.6	0	23 (2021)
157.	Reed Warbler	0	0	0	1	0	0	1	0	0	0	2	0.2	0	1 (2019)
158.	Savi's Warbler	0	1	0	0	0	0	0	1	0	0	2	0.2	0	1 (2017)
159.	Grasshopper Warbler	0	1	0	0	0	0	0	0	0	0	1	0.1	0	1 (2017)
160.	Blackcap	0	0	0	1	0	2	1	2	1	0	7	0.7	0	2 (2021)
161.	Garden Warbler	0	0	0	1	0	0	0	1	0	0	2	0.2	0	1 (2019)
162.	Lesser Whitethroat	0	0	0	0	0	0	2	1	0	0	3	0.3	0	2 (2022)
163.	Whitethroat	0	0	0	0	0	1	1	3	1	0	6	0.6	0	3 (2023)
164.	Firecrest	0	0	3	0	0	2	2	1	0	0	8	0.8	0	3 (2018)
165.	Goldcrest	0	0	1	6	18	6	0	0	0	0	31	3.1	0	18 (2020)
166.	Nuthatch	0	0	0	1	0	1	0	0	0	0	2	0.2	0	1 (2019)
167.	Short-toed Tree Creeper	0	0	0	0	1	1	5	3	0	2	12	1.2	0	5 (2022)
168.	Starling	16515	8508	7833	7803	9639	32232	28971	9625	9148	1590	131864	13186	0	32232 (2021)
169.	Song Thrush	84	89	662	1514	647	739	1521	187	51	16	5510	551	0	1521 (2022)
170.	Mistle Thrush	15	24	6	23	21	34	36	8	21	0	188	19	0	36 (2022)
171.	Redwing	404	911	901	1167	13681	2317	2371	1054	3027	1046	26879	2688	15	13681 (2020)
172.	Blackbird	9	7	25	22	125	47	39	14	8	3	299	30	0	125 (2020)
173.	Fieldfare	945	353	962	925	2456	404	224	1208	231	231	7939	794	1	2456 (2020)
174.	Ring Ouzel	2	1	0	25	17	15	41	4	84	7	196	20	0	84 (2024)
175.	thrush sp.	347	332	296	8	43	23	8	2	9	5	1073	107	0	347 (2016)
176.	Spotted Flycatcher	0	0	0	0	0	1	0	1	0	0	2	0.2	0	1 (2021)
177.	Robin	0	0	0	3	0	3	0	1	0	0	7	0.7	0	3 (2019)
178.	Pied Flycatcher	0	0	0	0	1	0	1	0	0	0	2	0.2	0	1 (2020)
179.	Black Redstart	0	1	0	0	1	0	0	1	0	0	3	0.3	0	1 (2017)
180.	Redstart	0	0	0	1	1	0	0	0	0	0	2	0.2	0	1 (2019)
181.	Whinchat	0	0	1	0	0	0	1	0	0	0	2	0.2	0	1 (2018)
182.	Stonechat	0	0	0	1	4	0	6	2	0	0	13	1.3	0	6 (2022)
183.	Wheatear	0	1	3	3	2	0	0	3	0	0	12	1.2	0	3 (2018)
184.	Tree Sparrow	89	23	6	7	7	1	4	8	2	0	147	15	0	89 (2016)
185.	House Sparrow	0	0	0	1	2	23	0	0	2	0	28	2.8	0	23 (2021)
186.	Dunnock	11	14	22	45	38	77	15	4	1	1	228	23	0	77 (2021)
187.	Blue-headed Wagtail	8	13	12	35	118	404	20	105	50	54	819	82	3	404 (2021)
188.	Yellow Wagtail (flavissima)	0	0	0	0	0	7	0	0	0	0	7	0.7	0	7 (2021)
189.	Grey-headed Wagtail	0	1	0	0	2	5	0	0	0	0	8	0.8	0	5 (2021)
190.	Yellow wagtail sp.	56	119	73	65	42	26	50	32	6	6	475	48	11	119 (2017)
191.	Grey Wagtail	42	38	27	38	99	99	11	17	15	0	386	39	6	99 (2020)
192.	White Wagtail	76	110	112	267	345	618	202	176	122	244	2272	227	32	618 (2021)
193.	alba wagtail sp.	59	7	0	10	132	18	70	60	0	0	356	36	0	132 (2020)
194.	Motacilla (wagtail) sp.	0	0	0	0	0	24	1	0	0	0	25	2.5	0	24 (2021)
195.	Pied Wagtail	0	0	0	1	0	2	0	0	0	0	3	0.3	0	2 (2021)
196.	Richard's Pipit	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2020)
197.	Meadow Pipit	1207	2632	758	10760	4485	17076	2418	5412	764	1664	47176	4718	39	17076 (2021)
198.	Tree Pipit	38	21	28	42	27	63	14	30	74	11	348	35	0	74 (2024)
199.	Tree Pipit/Olive-backed Pipit	0	0	0	0	0	1	0	0	0	0	1	0.1	0	1 (2021)
200.	Water Pipit	4	3	2	2	22	26	8	18	2	2	89	8.9	6	26 (2021)
	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
201.	pipit sp.	0	0	0	0	6	5	0	0	0	1	12	1.2	0	6 (2020)
202.	Chaffinch	2892	6601	3290	6215	17194	10233	4497	3801	1733	1671	58127	5813	0	17194 (2020)
203.	Brambling	66	59	59	127	920	133	64	24	66	4	1522	152	0	920 (2020)
204.	Hawfinch	35	68	10	43	84	112	55	33	69	20	529	53	6	112 (2021)
205.	Bullfinch	9	10	1	11	14	6	2	3	1	2	59	5.9	3	14 (2020)
206.	Greenfinch	74	32	65	106	154	230	97	81	35	41	915	92	0	230 (2021)
207.	Linnet	45	132	168	293	94	267	74	130	39	44	1286	129	4	293 (2019)
208.	Mealy Redpoll	1	0	0	0	0	0	0	8	1	0	10	1	0	8 (2023)
209.	Lesser Redpoll	0	1	0	0	1	1	0	0	0	0	3	0.3	0	1 (2017)
210.	redpoll sp.	3	6	4	1	77	8	12	6	5	1	123	12	0	77 (2020)
211.	Crossbill	39	16	1	18	2	54	0	57	0	0	187	19	0	57 (2023)
212.	Goldfinch	123	142	158	561	538	562	540	448	128	165	3365	337	78	562 (2021)
213.	Serin	0	0	1	0	0	0	0	1	0	0	2	0.2	0	1 (2018)
214.	Siskin	551	111	204	2595	1005	658	559	1435	383	51	7552	755	4	2595 (2019)
215.	Lapland Bunting	0	1	0	0	0	0	0	0	0	0	1	0.1	0	1 (2017)
216.	Yellowhammer	0	0	0	0	5	0	0	0	0	0	5	0.5	0	5 (2020)
217.	Little Bunting	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2019)
218.	Reed Bunting	129	129	71	344	174	290	116	105	70	56	1484	148	10	344 (2019)
219.	Species unidentified	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2024)
220.	passerine sp.	0	0	8	15	5	13	8	0	0	1	50	5	0	15 (2019)
	Other species
1.	Common Noctule	0	1	0	17	3	0	0	0	0	0	21	2.1	0	17 (2019)
	Other species
1.	Small Tortoiseshell	0	0	0	0	0	1	1	0	3	0	5	0.5	0	3 (2024)
2.	Dark Clouded Yellow	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2020)
3.	Brimstone	0	0	0	0	0	3	2	0	2	0	7	0.7	0	3 (2021)
4.	European Peacock	0	0	0	0	0	5	0	7	85	2	99	9.9	0	85 (2024)
5.	Green-veined White	0	0	0	0	0	8	0	0	0	0	8	0.8	0	8 (2021)
6.	white sp. (butterfly)	0	0	0	0	0	64	0	0	0	0	64	6.4	0	64 (2021)
7.	Comma	0	0	0	0	0	0	0	0	0	1	1	0.1	0	1 (2025)
8.	Red Admiral	0	0	0	2	2	270	26	80	76	0	456	46	0	270 (2021)
9.	Painted Lady	0	0	0	2	0	0	0	0	0	0	2	0.2	0	2 (2019)
	Other species
1.	Bumblebee sp.	0	0	0	0	22	29	23	10	7	4	95	9.5	0	29 (2021)
	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
	Totals	47425	35387	27739	70107	95694	115539	74515	50816	36140	24139	577501	57750	2714
	Observation hours	187:00	147:08	103:51	239:08	286:59	413:45	214:54	196:33	143:10	138:36	2,071:04	207:06

Trektellen

Totals Hoogekampse Plas, De Bilt 2016 - 2025