Select until 11 January

Totals Hoogekampse Plas, De Bilt 2017 - 2026

	Species	2017	2018	2019	2020	2021	2022	2023	2024	2025	2026	Totals	Average	Present	Year Maximum
1.	Fulvous Whistling Duck	0	0	0	0	0	1	0	0	0	0	1	0.1	0	1 (2022)
2.	Canada Goose	0	15	31	84	87	23	91	3	20	0	354	35	11	91 (2023)
3.	Barnacle Goose	1885	1012	590	3201	4357	1648	659	2406	1270	905	17933	1793	2	4357 (2021)
4.	Greylag Goose	1613	856	2498	3446	3210	1250	962	1467	3989	137	19428	1943	350	3989 (2025)
5.	Anser sp.	0	12	0	70	0	0	0	0	177	0	259	26	0	177 (2025)
6.	goose sp.	79	37	513	1656	225	239	202	331	384	0	3666	367	0	1656 (2020)
7.	Pink-footed Goose	0	0	0	40	0	0	0	0	16	0	56	5.6	0	40 (2020)
8.	Tundra Bean Goose	29	10	29	378	402	29	172	100	929	7	2085	209	0	929 (2025)
9.	Bean Goose sp.	0	0	0	0	0	0	0	0	13	0	13	1.3	0	13 (2025)
10.	Eurasian White-fronted Goose	3196	2445	3751	14585	6556	4267	7853	5472	13581	997	62703	6270	5	14585 (2020)
11.	Mute Swan	30	19	68	11	44	11	13	6	8	11	221	22	4	68 (2019)
12.	Bewick's Swan	46	0	3	0	118	1	0	0	0	0	168	17	0	118 (2021)
13.	Whooper Swan	1	0	0	0	0	0	1	0	1	0	3	0.3	0	1 (2017)
14.	swan sp.	0	0	0	0	0	17	0	0	0	0	17	1.7	0	17 (2022)
15.	Egyptian Goose	26	0	0	169	80	33	3	13	43	38	405	41	0	169 (2020)
16.	Shelduck	6	3	7	16	8	7	15	1	24	0	87	8.7	0	24 (2025)
17.	Ruddy Shelduck	0	5	0	2	4	0	0	4	5	0	20	2	0	5 (2018)
18.	Garganey	2	1	0	2	1	1	0	0	0	0	7	0.7	0	2 (2017)
19.	Shoveler	34	30	21	30	193	57	14	7	10	0	396	40	67	193 (2021)
20.	Gadwall	3	8	11	154	86	50	22	0	42	28	404	40	0	154 (2020)
21.	Wigeon	15	0	287	6	708	2305	35	4	143	0	3503	350	7	2305 (2022)
22.	Mallard	0	9	47	84	268	132	29	12	25	2	608	61	0	268 (2021)
23.	Pintail	147	0	18	8	18	24	4	46	8	0	273	27	1	147 (2017)
24.	Teal	0	0	75	3	8	16	3	6	32	0	143	14	6	75 (2019)
25.	duck sp.	0	15	21	8	107	76	0	16	22	0	265	27	0	107 (2021)
26.	Red-crested Pochard	0	0	0	0	1	1	0	0	0	0	2	0.2	0	1 (2021)
27.	Pochard	0	5	0	5	6	5	1	14	24	0	60	6	0	24 (2025)
28.	Tufted Duck	0	0	3	11	6	5	4	0	6	0	35	3.5	0	11 (2020)
29.	Goldeneye	0	0	0	3	0	0	0	0	0	0	3	0.3	0	3 (2020)
30.	Goosander	0	3	0	3	16	11	0	4	9	0	46	4.6	0	16 (2021)
31.	Red-breasted Merganser	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2021)
32.	Alpine Swift	0	1	0	0	0	0	0	0	0	0	1	0.1	0	1 (2018)
33.	Swift	932	262	1615	1451	1838	98	2752	148	1319	0	10415	1042	60	2752 (2023)
34.	Cuckoo	1	0	3	3	2	1	4	2	5	0	21	2.1	1	5 (2025)
35.	Stock Dove	56	58	140	309	185	185	118	117	577	0	1745	175	0	577 (2025)
36.	Woodpigeon	1127	2115	2511	2743	1295	1668	4245	2516	6002	51	24273	2427	0	6002 (2025)
37.	Collared Dove	3	3	10	46	37	17	18	10	150	3	297	30	0	150 (2025)
38.	Streptopelia sp.	0	0	0	0	0	0	0	0	2	0	2	0.2	0	2 (2025)
39.	Crane	4	30	3	0	0	16	0	1	11	0	65	6.5	0	30 (2018)
40.	Great Crested Grebe	0	0	1	0	6	5	4	0	3	0	19	1.9	0	6 (2021)
41.	Oystercatcher	9	9	16	17	31	36	11	12	7	0	148	15	27	36 (2022)
42.	Avocet	0	0	1	2	0	0	1	0	2	0	6	0.6	0	2 (2020)
43.	Grey Plover	0	3	0	0	1	0	0	0	0	0	4	0.4	0	3 (2018)
44.	Golden Plover	3	11	30	143	24	26	41	2	376	15	671	67	0	376 (2025)
45.	Dotterel	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2021)
46.	Ringed Plover	0	4	4	3	6	0	3	4	2	0	26	2.6	0	6 (2021)
47.	Little Ringed Plover	11	6	6	30	46	43	25	7	32	0	206	21	20	46 (2021)
48.	Lapwing	452	901	391	585	734	1753	181	270	2829	284	8380	838	225	2829 (2025)
49.	Whimbrel	154	3	7	39	173	90	13	27	87	0	593	59	3	173 (2021)
50.	Curlew	19	9	5	11	30	43	3	2	16	15	153	15	0	43 (2022)
	Species	2017	2018	2019	2020	2021	2022	2023	2024	2025	2026	Totals	Average	Present	Year Maximum
51.	Bar-tailed Godwit	0	0	1	0	1	0	0	0	0	0	2	0.2	0	1 (2019)
52.	Black-tailed Godwit	8	51	26	20	43	27	23	13	21	0	232	23	0	51 (2018)
53.	Jack Snipe	0	0	0	1	1	0	0	0	0	0	2	0.2	0	1 (2020)
54.	Woodcock	0	1	2	0	0	2	1	0	0	0	6	0.6	0	2 (2019)
55.	Snipe	27	31	93	241	385	94	132	54	201	3	1261	126	122	385 (2021)
56.	Common Sandpiper	3	3	5	20	40	0	19	4	8	0	102	10	38	40 (2021)
57.	Green Sandpiper	37	19	51	74	99	17	39	22	66	0	424	42	11	99 (2021)
58.	Wood Sandpiper	1	0	0	14	23	6	4	0	2	0	50	5	0	23 (2021)
59.	Redshank	20	15	19	53	59	35	7	7	63	0	278	28	6	63 (2025)
60.	Spotted Redshank	0	0	0	0	3	0	0	3	2	0	8	0.8	0	3 (2021)
61.	Greenshank	6	2	5	21	59	9	5	1	7	0	115	12	7	59 (2021)
62.	Turnstone	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2021)
63.	Ruff	1	5	42	2	3	10	160	0	21	4	248	25	9	160 (2023)
64.	Broad-billed Sandpiper	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2020)
65.	wader sp.	0	5	13	0	27	4	56	27	10	0	142	14	0	56 (2023)
66.	Temminck's Stint	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2019)
67.	Dunlin	1	0	2	15	17	2	0	0	1	0	38	3.8	0	17 (2021)
68.	Little Stint	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2021)
69.	Pectoral Sandpiper	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2020)
70.	Calidris sp.	1	0	0	2	0	0	0	0	0	0	3	0.3	0	2 (2020)
71.	Caspian Tern	0	0	0	1	2	0	0	0	0	0	3	0.3	0	2 (2021)
72.	Black Tern	9	0	2	5	8	2	1	0	3	0	30	3	0	9 (2017)
73.	Common/Arctic Tern	0	0	0	0	0	0	0	2	0	0	2	0.2	0	2 (2024)
74.	Common Tern	11	1	16	15	39	18	19	13	53	0	185	19	16	53 (2025)
75.	Little Gull	2	0	1	1	424	3	1	0	2	0	434	43	11	424 (2021)
76.	Black-headed Gull	1596	877	12445	5267	7079	10827	2487	2075	2256	4	44913	4491	261	12445 (2019)
77.	Mediterranean Gull	8	0	15	22	20	18	4	0	18	0	105	11	0	22 (2020)
78.	Common Gull	131	122	626	358	237	665	185	39	134	2	2499	250	0	665 (2022)
79.	Caspian Gull	1	0	2	6	23	8	12	3	18	0	73	7.3	0	23 (2021)
80.	Herring Gull	64	37	80	101	114	90	58	10	32	2	588	59	1	114 (2021)
81.	Yellow-legged Gull	0	0	1	3	3	0	0	3	1	0	11	1.1	0	3 (2020)
82.	Great Black-backed Gull	0	1	0	1	2	0	0	0	0	0	4	0.4	0	2 (2021)
83.	Lesser Black-backed Gull	183	208	1089	1111	1630	1109	1249	585	526	0	7690	769	104	1630 (2021)
84.	Laridae sp.	0	0	1	3	0	1	0	0	0	0	5	0.5	0	3 (2020)
85.	large gull sp.	0	0	0	3	13	10	0	1	6	0	33	3.3	0	13 (2021)
86.	Black Stork	0	0	1	1	3	0	1	0	2	0	8	0.8	0	3 (2021)
87.	White Stork	44	47	69	36	284	96	149	35	108	0	868	87	7	284 (2021)
88.	Ciconia sp.	0	0	1	1	1	0	0	0	0	0	3	0.3	0	1 (2019)
89.	Cormorant	1600	613	2011	2412	2231	1522	1444	1049	2540	6	15428	1543	61	2540 (2025)
90.	Spoonbill	4	13	46	44	49	8	22	8	32	0	226	23	9	49 (2021)
91.	Little Egret	0	0	0	1	0	1	0	1	1	0	4	0.4	0	1 (2020)
92.	Cattle Egret	0	0	0	0	0	0	2	0	0	0	2	0.2	0	2 (2023)
93.	Great White Egret	22	30	75	102	93	42	59	81	103	1	608	61	6	103 (2025)
94.	heron sp.	0	0	14	1	0	1	0	0	0	0	16	1.6	0	14 (2019)
95.	Grey Heron	40	29	177	137	111	68	55	56	83	0	756	76	2	177 (2019)
96.	Purple Heron	6	2	5	8	17	2	15	12	15	0	82	8.2	0	17 (2021)
97.	Osprey	2	4	8	4	5	7	10	6	6	0	52	5.2	0	10 (2023)
98.	Honey Buzzard	1	18	6	7	19	4	9	13	38	0	115	12	2	38 (2025)
99.	Griffon Vulture	0	0	0	14	0	0	0	0	0	0	14	1.4	0	14 (2020)
100.	Short-toed Eagle	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2020)
	Species	2017	2018	2019	2020	2021	2022	2023	2024	2025	2026	Totals	Average	Present	Year Maximum
101.	Sparrowhawk	50	46	130	142	184	156	133	63	180	0	1084	108	9	184 (2021)
102.	Goshawk	2	2	0	0	0	0	2	0	0	0	6	0.6	1	2 (2017)
103.	Marsh Harrier	18	16	54	49	95	44	89	44	118	0	527	53	1	118 (2025)
104.	Hen Harrier	0	3	2	4	2	4	5	3	14	0	37	3.7	0	14 (2025)
105.	Montagu's Harrier	0	0	1	0	0	0	0	0	1	0	2	0.2	0	1 (2019)
106.	harrier sp.	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2023)
107.	Hen/Montagu's/Pallid Harrier	0	0	0	0	2	0	1	0	0	0	3	0.3	0	2 (2021)
108.	Red Kite	0	2	0	4	6	3	2	2	3	0	22	2.2	0	6 (2021)
109.	Black Kite	1	1	1	1	3	1	1	1	3	0	13	1.3	0	3 (2021)
110.	White-tailed Eagle	0	0	2	3	2	7	4	2	2	0	22	2.2	0	7 (2022)
111.	Rough-legged Buzzard	1	0	0	0	0	0	0	0	0	0	1	0.1	0	1 (2017)
112.	Common Buzzard	32	11	283	135	328	126	90	24	156	0	1185	119	47	328 (2021)
113.	raptor sp.	0	0	0	0	0	1	0	0	0	0	1	0.1	0	1 (2022)
114.	Buzzard/Honey Buzzard	0	0	1	0	0	0	1	0	0	0	2	0.2	0	1 (2019)
115.	Short-eared Owl	0	0	0	1	0	0	1	1	1	0	4	0.4	0	1 (2020)
116.	Lesser Spotted Woodpecker	0	0	2	0	2	0	0	0	0	0	4	0.4	0	2 (2019)
117.	Great Spotted Woodpecker	2	19	13	48	75	27	36	12	51	2	285	29	1	75 (2021)
118.	Black Woodpecker	0	0	0	0	0	1	0	0	1	0	2	0.2	0	1 (2022)
119.	Green Woodpecker	0	0	0	0	1	0	0	0	1	0	2	0.2	0	1 (2021)
120.	Kestrel	13	4	42	23	49	18	26	13	52	0	240	24	2	52 (2025)
121.	falcon sp.	0	0	2	1	0	1	0	0	1	0	5	0.5	0	2 (2019)
122.	Red-footed Falcon	0	1	1	0	0	1	0	2	0	0	5	0.5	0	2 (2024)
123.	Merlin	2	0	9	6	15	5	3	4	10	0	54	5.4	0	15 (2021)
124.	Hobby	10	4	7	5	26	3	10	5	13	0	83	8.3	2	26 (2021)
125.	Peregrine	14	9	8	7	6	5	5	5	2	0	61	6.1	5	14 (2017)
126.	Yellow-crowned Amazon	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2025)
127.	Rose-ringed Parakeet	10	4	77	43	0	0	0	0	0	0	134	13	0	77 (2019)
128.	Golden Oriole	0	0	2	0	0	0	0	0	0	0	2	0.2	0	2 (2019)
129.	Jay	1	3	1027	42	1603	25	24	5	62	0	2792	279	0	1603 (2021)
130.	Magpie	3	0	19	43	25	33	39	2	22	0	186	19	0	43 (2020)
131.	Jackdaw	0	4	777	184	409	130	90	74	465	0	2133	213	0	777 (2019)
132.	Rook	15	0	2	10	5	5	24	3	2	0	66	6.6	0	24 (2023)
133.	Carrion Crow	0	0	130	18	48	34	30	3	10	0	273	27	0	130 (2019)
134.	Raven	5	2	0	0	0	4	4	0	2	0	17	1.7	0	5 (2017)
135.	Corvus sp.	0	0	0	0	2	0	0	0	0	0	2	0.2	0	2 (2021)
136.	Coal Tit	3	0	17	10	36	0	16	0	64	0	146	15	0	64 (2025)
137.	Marsh Tit	0	0	2	0	1	1	0	0	1	0	5	0.5	0	2 (2019)
138.	Blue Tit	34	9	200	154	241	185	66	42	949	0	1880	188	0	949 (2025)
139.	Great Tit	17	2	140	83	133	109	12	12	121	0	629	63	0	140 (2019)
140.	Parus (tit) sp.	0	0	0	6	0	0	0	0	58	0	64	6.4	0	58 (2025)
141.	Penduline Tit	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2019)
142.	Bearded Tit	0	0	2	2	0	0	0	0	2	0	6	0.6	0	2 (2019)
143.	Wood Lark	13	13	38	85	47	67	65	34	112	2	476	48	0	112 (2025)
144.	Skylark	212	1198	1837	721	498	536	463	686	1271	58	7480	748	0	1837 (2019)
145.	Sand Martin	121	11	209	144	728	106	105	38	176	0	1638	164	101	728 (2021)
146.	Swallow	505	447	2082	1263	7790	793	1327	1109	4647	0	19963	1996	417	7790 (2021)
147.	House Martin	44	111	91	555	1619	1006	159	408	670	0	4663	466	42	1619 (2021)
148.	Cetti's Warbler	0	0	1	0	0	2	0	0	0	0	3	0.3	0	2 (2022)
149.	Long-tailed Tit	21	0	23	58	86	7	8	36	53	0	292	29	0	86 (2021)
150.	Northern Long-tailed Tit	0	0	0	2	0	0	0	0	0	0	2	0.2	0	2 (2020)
	Species	2017	2018	2019	2020	2021	2022	2023	2024	2025	2026	Totals	Average	Present	Year Maximum
151.	Yellow-browed Warbler	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2019)
152.	Willow Warbler	0	1	2	2	2	1	0	0	2	0	10	1	0	2 (2019)
153.	Chiffchaff	7	7	72	61	108	43	31	31	60	0	420	42	0	108 (2021)
154.	Chiffchaff (Siberian - tristis)	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2021)
155.	Chiffchaff/Willow Warbler	0	2	1	13	23	7	0	0	4	0	50	5	0	23 (2021)
156.	Reed Warbler	0	0	1	0	0	1	0	0	0	0	2	0.2	0	1 (2019)
157.	Savi's Warbler	1	0	0	0	0	0	1	0	0	0	2	0.2	0	1 (2017)
158.	Grasshopper Warbler	1	0	0	0	0	0	0	0	0	0	1	0.1	0	1 (2017)
159.	Blackcap	0	0	1	0	2	1	2	1	12	0	19	1.9	0	12 (2025)
160.	Garden Warbler	0	0	1	0	0	0	1	0	1	0	3	0.3	0	1 (2019)
161.	Lesser Whitethroat	0	0	0	0	0	2	1	0	0	0	3	0.3	0	2 (2022)
162.	Whitethroat	0	0	0	0	1	1	3	1	2	0	8	0.8	0	3 (2023)
163.	Firecrest	0	3	0	0	2	2	1	0	5	0	13	1.3	0	5 (2025)
164.	Goldcrest	0	1	6	18	6	0	0	0	58	0	89	8.9	0	58 (2025)
165.	Nuthatch	0	0	1	0	1	0	0	0	1	0	3	0.3	0	1 (2019)
166.	Short-toed Tree Creeper	0	0	0	1	1	5	3	0	4	0	14	1.4	0	5 (2022)
167.	Starling	8508	7833	7803	9639	32232	28971	9625	9148	25743	3	139505	13951	0	32232 (2021)
168.	Song Thrush	89	662	1514	647	739	1521	187	51	674	0	6084	608	0	1521 (2022)
169.	Mistle Thrush	24	6	23	21	34	36	8	21	13	0	186	19	0	36 (2022)
170.	Redwing	911	901	1167	13681	2317	2371	1054	3027	12287	1	37717	3772	15	13681 (2020)
171.	Blackbird	7	25	22	125	47	39	14	8	105	0	392	39	0	125 (2020)
172.	Fieldfare	353	962	925	2456	404	224	1208	231	5333	1	12097	1210	1	5333 (2025)
173.	Ring Ouzel	1	0	25	17	15	41	4	84	7	0	194	19	0	84 (2024)
174.	thrush sp.	332	296	8	43	23	8	2	9	6	0	727	73	0	332 (2017)
175.	Spotted Flycatcher	0	0	0	0	1	0	1	0	2	0	4	0.4	0	2 (2025)
176.	Robin	0	0	3	0	3	0	1	0	0	0	7	0.7	0	3 (2019)
177.	Pied Flycatcher	0	0	0	1	0	1	0	0	0	0	2	0.2	0	1 (2020)
178.	Black Redstart	1	0	0	1	0	0	1	0	0	0	3	0.3	0	1 (2017)
179.	Redstart	0	0	1	1	0	0	0	0	0	0	2	0.2	0	1 (2019)
180.	Whinchat	0	1	0	0	0	1	0	0	1	0	3	0.3	0	1 (2018)
181.	Stonechat	0	0	1	4	0	6	2	0	1	0	14	1.4	0	6 (2022)
182.	Wheatear	1	3	3	2	0	0	3	0	1	0	13	1.3	0	3 (2018)
183.	Tree Sparrow	23	6	7	7	1	4	8	2	7	0	65	6.5	0	23 (2017)
184.	House Sparrow	0	0	1	2	23	0	0	2	0	0	28	2.8	0	23 (2021)
185.	Dunnock	14	22	45	38	77	15	4	1	36	0	252	25	0	77 (2021)
186.	Blue-headed Wagtail	13	12	35	118	404	20	105	50	174	0	931	93	3	404 (2021)
187.	Yellow Wagtail (flavissima)	0	0	0	0	7	0	0	0	0	0	7	0.7	0	7 (2021)
188.	Grey-headed Wagtail	1	0	0	2	5	0	0	0	0	0	8	0.8	0	5 (2021)
189.	Yellow wagtail sp.	119	73	65	42	26	50	32	6	74	0	487	49	6	119 (2017)
190.	Grey Wagtail	38	27	38	99	99	11	17	15	78	0	422	42	3	99 (2020)
191.	White Wagtail	110	112	267	345	618	202	176	122	516	1	2469	247	30	618 (2021)
192.	alba wagtail sp.	7	0	10	132	18	70	60	0	0	0	297	30	0	132 (2020)
193.	Motacilla (wagtail) sp.	0	0	0	0	24	1	0	0	0	0	25	2.5	0	24 (2021)
194.	Pied Wagtail	0	0	1	0	2	0	0	0	0	0	3	0.3	0	2 (2021)
195.	Richard's Pipit	0	0	0	1	0	0	0	0	1	0	2	0.2	0	1 (2020)
196.	Meadow Pipit	2632	758	10760	4485	17076	2418	5412	764	5816	13	50134	5013	20	17076 (2021)
197.	Tree Pipit	21	28	42	27	63	14	30	74	37	0	336	34	0	74 (2024)
198.	Tree Pipit/Olive-backed Pipit	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2021)
199.	Water Pipit	3	2	2	22	26	8	18	2	15	2	100	10	4	26 (2021)
200.	pipit sp.	0	0	0	6	5	0	0	0	1	1	13	1.3	0	6 (2020)
	Species	2017	2018	2019	2020	2021	2022	2023	2024	2025	2026	Totals	Average	Present	Year Maximum
201.	Chaffinch	6601	3290	6215	17194	10233	4497	3801	1733	16582	9	70155	7016	0	17194 (2020)
202.	Brambling	59	59	127	920	133	64	24	66	280	2	1734	173	0	920 (2020)
203.	Hawfinch	68	10	43	84	112	55	33	69	271	3	748	75	6	271 (2025)
204.	Bullfinch	10	1	11	14	6	2	3	1	2	0	50	5	1	14 (2020)
205.	Greenfinch	32	65	106	154	230	97	81	35	88	1	889	89	0	230 (2021)
206.	Linnet	132	168	293	94	267	74	130	39	173	0	1370	137	4	293 (2019)
207.	Mealy Redpoll	0	0	0	0	0	0	8	1	0	0	9	0.9	0	8 (2023)
208.	Lesser Redpoll	1	0	0	1	1	0	0	0	1	0	4	0.4	0	1 (2017)
209.	Redpoll	6	4	1	77	8	12	6	5	33	0	152	15	0	77 (2020)
210.	Crossbill	16	1	18	2	54	0	57	0	8	0	156	16	0	57 (2023)
211.	Goldfinch	142	158	561	538	562	540	448	128	691	6	3774	377	78	691 (2025)
212.	Serin	0	1	0	0	0	0	1	0	0	0	2	0.2	0	1 (2018)
213.	Siskin	111	204	2595	1005	658	559	1435	383	1597	51	8598	860	4	2595 (2019)
214.	Lapland Bunting	1	0	0	0	0	0	0	0	0	0	1	0.1	0	1 (2017)
215.	Yellowhammer	0	0	0	5	0	0	0	0	0	0	5	0.5	0	5 (2020)
216.	Little Bunting	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2019)
217.	Reed Bunting	129	71	344	174	290	116	105	70	231	5	1535	154	12	344 (2019)
218.	Species unidentified	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2024)
219.	passerine sp.	0	8	15	5	13	8	0	0	3	0	52	5.2	0	15 (2019)
	Other species
1.	Common Noctule	1	0	17	3	0	0	0	0	9	0	30	3	0	17 (2019)
	Other species
1.	Small Tortoiseshell	0	0	0	0	1	1	0	3	0	0	5	0.5	0	3 (2024)
2.	Dark Clouded Yellow	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2020)
3.	Brimstone	0	0	0	0	3	2	0	2	0	0	7	0.7	0	3 (2021)
4.	European Peacock	0	0	0	0	5	0	7	85	2	0	99	9.9	0	85 (2024)
5.	Swallowtail	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2025)
6.	Green-veined White	0	0	0	0	8	0	0	0	0	0	8	0.8	0	8 (2021)
7.	white sp. (butterfly)	0	0	0	0	64	0	0	0	1	0	65	6.5	0	64 (2021)
8.	Comma	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2025)
9.	Red Admiral	0	0	2	2	270	26	80	76	2	0	458	46	0	270 (2021)
10.	Painted Lady	0	0	2	0	0	0	0	0	0	0	2	0.2	0	2 (2019)
	Other species
1.	Bumblebee sp.	0	0	0	22	29	23	10	7	4	0	95	9.5	0	29 (2021)
	Species	2017	2018	2019	2020	2021	2022	2023	2024	2025	2026	Totals	Average	Present	Year Maximum
	Totals	35387	27739	70107	95694	115539	74515	50816	36140	118934	2676	627547	62755	2277
	Observation hours	147:08	103:51	239:08	286:59	413:45	214:54	196:33	143:10	357:13	6:18	2,108:59	210:54

Trektellen

Totals Hoogekampse Plas, De Bilt 2017 - 2026