Select until 23 November

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	20	356	36	11	91 (2023)
3.	Barnacle Goose	1339	1885	1012	590	3201	4357	1648	659	2406	1270	18367	1837	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	3989	21333	2133	690	3989 (2025)
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	384	3666	367	0	1656 (2020)
8.	Pink-footed Goose	0	0	0	0	40	0	0	0	0	18	58	5.8	0	40 (2020)
9.	Tundra Bean Goose	170	29	10	29	378	402	29	172	100	929	2248	225	0	929 (2025)
10.	Bean Goose sp.	31	0	0	0	0	0	0	0	0	13	44	4.4	0	31 (2016)
11.	Eurasian White-fronted Goose	4100	3196	2445	3751	14585	6556	4267	7853	5472	13097	65322	6532	13	14585 (2020)
12.	Mute Swan	21	30	19	68	11	44	11	13	6	8	231	23	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	1	4	0.4	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	43	448	45	0	169 (2020)
17.	Shelduck	7	6	3	7	16	8	7	15	1	24	94	9.4	0	24 (2025)
18.	Ruddy Shelduck	0	0	5	0	2	4	0	0	4	5	20	2	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	10	406	41	83	193 (2021)
21.	Gadwall	5	3	8	11	154	86	50	22	0	42	381	38	0	154 (2020)
22.	Wigeon	74	15	0	287	6	708	2305	35	4	143	3577	358	7	2305 (2022)
23.	Mallard	28	0	9	47	84	268	132	29	12	25	634	63	0	268 (2021)
24.	Pintail	4	147	0	18	8	18	24	4	46	8	277	28	1	147 (2017)
25.	Teal	0	0	0	75	3	8	16	3	6	32	143	14	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	24	78	7.8	0	24 (2025)
29.	Tufted Duck	3	0	0	3	11	6	5	4	0	6	38	3.8	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	9	49	4.9	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	1319	10486	1049	60	2752 (2023)
36.	Cuckoo	1	1	0	3	3	2	1	4	2	5	22	2.2	1	5 (2025)
37.	Stock Dove	81	56	58	140	309	185	185	118	117	577	1826	183	3	577 (2025)
38.	Woodpigeon	3862	1127	2115	2511	2743	1295	1668	4245	2516	6002	28084	2808	0	6002 (2025)
39.	Collared Dove	11	3	3	10	46	37	17	18	10	150	305	31	0	150 (2025)
40.	Streptopelia sp.	0	0	0	0	0	0	0	0	0	2	2	0.2	0	2 (2025)
41.	Crane	0	4	30	3	0	0	16	0	1	11	65	6.5	0	30 (2018)
42.	Great Crested Grebe	1	0	0	1	0	6	5	4	0	3	20	2	0	6 (2021)
43.	Oystercatcher	8	9	9	16	17	31	36	11	12	7	156	16	30	36 (2022)
44.	Avocet	0	0	0	1	2	0	0	1	0	2	6	0.6	0	2 (2020)
45.	Grey Plover	0	0	3	0	0	1	0	0	0	0	4	0.4	0	3 (2018)
46.	Golden Plover	33	3	11	30	143	24	26	41	2	376	689	69	0	376 (2025)
47.	Dotterel	0	0	0	0	0	1	0	0	0	0	1	0.1	0	1 (2021)
48.	Ringed Plover	5	0	4	4	3	6	0	3	4	2	31	3.1	0	6 (2021)
49.	Little Ringed Plover	3	11	6	6	30	46	43	25	7	32	209	21	23	46 (2021)
50.	Lapwing	575	452	901	391	585	734	1753	181	270	2829	8671	867	233	2829 (2025)
	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
51.	Whimbrel	26	154	3	7	39	173	90	13	27	87	619	62	3	173 (2021)
52.	Curlew	5	19	9	5	11	30	43	3	2	16	143	14	0	43 (2022)
53.	Bar-tailed Godwit	0	0	0	1	0	1	0	0	0	0	2	0.2	0	1 (2019)
54.	Black-tailed Godwit	41	8	51	26	20	43	27	23	13	21	273	27	0	51 (2018)
55.	Jack Snipe	0	0	0	0	1	1	0	0	0	0	2	0.2	0	1 (2020)
56.	Woodcock	1	0	1	2	0	0	2	1	0	0	7	0.7	0	2 (2019)
57.	Snipe	51	27	31	93	241	385	94	132	54	201	1309	131	129	385 (2021)
58.	Common Sandpiper	0	3	3	5	20	40	0	19	4	8	102	10	38	40 (2021)
59.	Green Sandpiper	16	37	19	51	74	99	17	39	22	66	440	44	11	99 (2021)
60.	Wood Sandpiper	0	1	0	0	14	23	6	4	0	2	50	5	0	23 (2021)
61.	Redshank	34	20	15	19	53	59	35	7	7	63	312	31	8	63 (2025)
62.	Spotted Redshank	0	0	0	0	0	3	0	0	3	2	8	0.8	0	3 (2021)
63.	Greenshank	7	6	2	5	21	59	9	5	1	7	122	12	7	59 (2021)
64.	Turnstone	0	0	0	0	0	1	0	0	0	0	1	0.1	0	1 (2021)
65.	Ruff	7	1	5	42	2	3	10	160	0	21	251	25	9	160 (2023)
66.	Broad-billed Sandpiper	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2020)
67.	wader sp.	1	0	5	13	0	27	4	56	27	10	143	14	0	56 (2023)
68.	Temminck's Stint	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2019)
69.	Dunlin	3	1	0	2	15	17	2	0	0	1	41	4.1	0	17 (2021)
70.	Little Stint	1	0	0	0	0	1	0	0	0	0	2	0.2	0	1 (2016)
71.	Pectoral Sandpiper	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2020)
72.	Calidris sp.	1	1	0	0	2	0	0	0	0	0	4	0.4	0	2 (2020)
73.	Caspian Tern	0	0	0	0	1	2	0	0	0	0	3	0.3	0	2 (2021)
74.	Black Tern	32	9	0	2	5	8	2	1	0	3	62	6.2	0	32 (2016)
75.	Common/Arctic Tern	0	0	0	0	0	0	0	0	2	0	2	0.2	0	2 (2024)
76.	Common Tern	7	11	1	16	15	39	18	19	13	53	192	19	19	53 (2025)
77.	Little Gull	0	2	0	1	1	424	3	1	0	2	434	43	11	424 (2021)
78.	Black-headed Gull	5644	1596	877	12445	5267	7079	10827	2487	2075	2256	50553	5055	261	12445 (2019)
79.	Mediterranean Gull	3	8	0	15	22	20	18	4	0	18	108	11	0	22 (2020)
80.	Common Gull	261	131	122	626	358	237	665	185	39	134	2758	276	0	665 (2022)
81.	Caspian Gull	0	1	0	2	6	23	8	12	3	18	73	7.3	0	23 (2021)
82.	Herring Gull	57	64	37	80	101	114	90	58	10	32	643	64	1	114 (2021)
83.	Yellow-legged Gull	0	0	0	1	3	3	0	0	3	1	11	1.1	0	3 (2020)
84.	Great Black-backed Gull	0	0	1	0	1	2	0	0	0	0	4	0.4	0	2 (2021)
85.	Lesser Black-backed Gull	341	183	208	1089	1111	1630	1109	1249	585	526	8031	803	104	1630 (2021)
86.	Laridae sp.	0	0	0	1	3	0	1	0	0	0	5	0.5	0	3 (2020)
87.	large gull sp.	0	0	0	0	3	13	10	0	1	6	33	3.3	0	13 (2021)
88.	Black Stork	0	0	0	1	1	3	0	1	0	2	8	0.8	0	3 (2021)
89.	White Stork	13	44	47	69	36	284	96	149	35	108	881	88	7	284 (2021)
90.	Ciconia sp.	0	0	0	1	1	1	0	0	0	0	3	0.3	0	1 (2019)
91.	Cormorant	1106	1600	613	2011	2412	2231	1522	1444	1049	2540	16528	1653	64	2540 (2025)
92.	Spoonbill	5	4	13	46	44	49	8	22	8	32	231	23	9	49 (2021)
93.	Little Egret	0	0	0	0	1	0	1	0	1	1	4	0.4	0	1 (2020)
94.	Cattle Egret	0	0	0	0	0	0	0	2	0	0	2	0.2	0	2 (2023)
95.	Great White Egret	37	22	30	75	102	93	42	59	81	103	644	64	8	103 (2025)
96.	heron sp.	0	0	0	14	1	0	1	0	0	0	16	1.6	0	14 (2019)
97.	Grey Heron	40	40	29	177	137	111	68	55	56	83	796	80	2	177 (2019)
98.	Purple Heron	2	6	2	5	8	17	2	15	12	15	84	8.4	0	17 (2021)
99.	Osprey	2	2	4	8	4	5	7	10	6	6	54	5.4	0	10 (2023)
100.	Honey Buzzard	9	1	18	6	7	19	4	9	13	38	124	12	2	38 (2025)
	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
101.	Griffon Vulture	0	0	0	0	14	0	0	0	0	0	14	1.4	0	14 (2020)
102.	Short-toed Eagle	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2020)
103.	Sparrowhawk	45	50	46	130	142	184	156	133	63	180	1129	113	13	184 (2021)
104.	Goshawk	1	2	2	0	0	0	0	2	0	0	7	0.7	1	2 (2017)
105.	Marsh Harrier	13	18	16	54	49	95	44	89	44	118	540	54	1	118 (2025)
106.	Hen Harrier	0	0	3	2	4	2	4	5	3	14	37	3.7	0	14 (2025)
107.	Montagu's Harrier	0	0	0	1	0	0	0	0	0	1	2	0.2	0	1 (2019)
108.	harrier sp.	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2023)
109.	Hen/Montagu's/Pallid Harrier	0	0	0	0	0	2	0	1	0	0	3	0.3	0	2 (2021)
110.	Red Kite	3	0	2	0	4	6	3	2	2	3	25	2.5	0	6 (2021)
111.	Black Kite	2	1	1	1	1	3	1	1	1	3	15	1.5	0	3 (2021)
112.	White-tailed Eagle	0	0	0	2	3	2	7	4	2	2	22	2.2	0	7 (2022)
113.	Rough-legged Buzzard	0	1	0	0	0	0	0	0	0	0	1	0.1	0	1 (2017)
114.	Common Buzzard	38	32	11	283	135	328	126	90	24	156	1223	122	55	328 (2021)
115.	raptor sp.	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2022)
116.	Buzzard/Honey Buzzard	0	0	0	1	0	0	0	1	0	0	2	0.2	0	1 (2019)
117.	Short-eared Owl	0	0	0	0	1	0	0	1	1	1	4	0.4	0	1 (2020)
118.	Lesser Spotted Woodpecker	0	0	0	2	0	2	0	0	0	0	4	0.4	0	2 (2019)
119.	Great Spotted Woodpecker	10	2	19	13	48	75	27	36	12	51	293	29	2	75 (2021)
120.	Black Woodpecker	0	0	0	0	0	0	1	0	0	1	2	0.2	0	1 (2022)
121.	Green Woodpecker	1	0	0	0	0	1	0	0	0	1	3	0.3	0	1 (2016)
122.	Kestrel	8	13	4	42	23	49	18	26	13	52	248	25	3	52 (2025)
123.	falcon sp.	0	0	0	2	1	0	1	0	0	1	5	0.5	0	2 (2019)
124.	Red-footed Falcon	1	0	1	1	0	0	1	0	2	0	6	0.6	0	2 (2024)
125.	Merlin	0	2	0	9	6	15	5	3	4	10	54	5.4	0	15 (2021)
126.	Hobby	4	10	4	7	5	26	3	10	5	13	87	8.7	2	26 (2021)
127.	Peregrine	8	14	9	8	7	6	5	5	5	2	69	6.9	5	14 (2017)
128.	Yellow-crowned Amazon	0	0	0	0	0	0	0	0	0	1	1	0.1	0	1 (2025)
129.	Rose-ringed Parakeet	221	10	4	77	43	0	0	0	0	0	355	36	0	221 (2016)
130.	Golden Oriole	0	0	0	2	0	0	0	0	0	0	2	0.2	0	2 (2019)
131.	Jay	6	1	3	1027	42	1603	25	24	5	62	2798	280	0	1603 (2021)
132.	Magpie	32	3	0	19	43	25	33	39	2	22	218	22	0	43 (2020)
133.	Jackdaw	45	0	4	777	184	409	130	90	74	465	2178	218	0	777 (2019)
134.	Rook	43	15	0	2	10	5	5	24	3	2	109	11	0	43 (2016)
135.	Carrion Crow	46	0	0	130	18	48	34	30	3	10	319	32	0	130 (2019)
136.	Raven	8	5	2	0	0	0	4	4	0	2	25	2.5	0	8 (2016)
137.	Corvus sp.	0	0	0	0	0	2	0	0	0	0	2	0.2	0	2 (2021)
138.	Coal Tit	0	3	0	17	10	36	0	16	0	64	146	15	0	64 (2025)
139.	Marsh Tit	0	0	0	2	0	1	1	0	0	1	5	0.5	0	2 (2019)
140.	Blue Tit	10	34	9	200	154	241	185	66	42	949	1890	189	0	949 (2025)
141.	Great Tit	0	17	2	140	83	133	109	12	12	121	629	63	0	140 (2019)
142.	Parus (tit) sp.	0	0	0	0	6	0	0	0	0	58	64	6.4	0	58 (2025)
143.	Penduline Tit	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2019)
144.	Bearded Tit	0	0	0	2	2	0	0	0	0	2	6	0.6	0	2 (2019)
145.	Wood Lark	20	13	13	38	85	47	67	65	34	112	494	49	0	112 (2025)
146.	Skylark	1468	212	1198	1837	721	498	536	463	686	1271	8890	889	0	1837 (2019)
147.	Sand Martin	51	121	11	209	144	728	106	105	38	176	1689	169	106	728 (2021)
148.	Swallow	535	505	447	2082	1263	7790	793	1327	1109	4647	20498	2050	467	7790 (2021)
149.	House Martin	53	44	111	91	555	1619	1006	159	408	670	4716	472	42	1619 (2021)
150.	Cetti's Warbler	0	0	0	1	0	0	2	0	0	0	3	0.3	0	2 (2022)
	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
151.	Long-tailed Tit	9	21	0	23	58	86	7	8	36	53	301	30	0	86 (2021)
152.	Northern Long-tailed Tit	0	0	0	0	2	0	0	0	0	0	2	0.2	0	2 (2020)
153.	Yellow-browed Warbler	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2019)
154.	Willow Warbler	1	0	1	2	2	2	1	0	0	2	11	1.1	0	2 (2019)
155.	Chiffchaff	0	7	7	72	61	108	43	31	31	60	420	42	0	108 (2021)
156.	Chiffchaff (Siberian - tristis)	0	0	0	0	0	1	0	0	0	0	1	0.1	0	1 (2021)
157.	Chiffchaff/Willow Warbler	0	0	2	1	13	23	7	0	0	4	50	5	0	23 (2021)
158.	Reed Warbler	0	0	0	1	0	0	1	0	0	0	2	0.2	0	1 (2019)
159.	Savi's Warbler	0	1	0	0	0	0	0	1	0	0	2	0.2	0	1 (2017)
160.	Grasshopper Warbler	0	1	0	0	0	0	0	0	0	0	1	0.1	0	1 (2017)
161.	Blackcap	0	0	0	1	0	2	1	2	1	12	19	1.9	0	12 (2025)
162.	Garden Warbler	0	0	0	1	0	0	0	1	0	1	3	0.3	0	1 (2019)
163.	Lesser Whitethroat	0	0	0	0	0	0	2	1	0	0	3	0.3	0	2 (2022)
164.	Whitethroat	0	0	0	0	0	1	1	3	1	2	8	0.8	0	3 (2023)
165.	Firecrest	0	0	3	0	0	2	2	1	0	5	13	1.3	0	5 (2025)
166.	Goldcrest	0	0	1	6	18	6	0	0	0	58	89	8.9	0	58 (2025)
167.	Nuthatch	0	0	0	1	0	1	0	0	0	1	3	0.3	0	1 (2019)
168.	Short-toed Tree Creeper	0	0	0	0	1	1	5	3	0	4	14	1.4	0	5 (2022)
169.	Starling	16515	8508	7833	7803	9639	32232	28971	9625	9148	25743	156017	15602	0	32232 (2021)
170.	Song Thrush	84	89	662	1514	647	739	1521	187	51	674	6168	617	0	1521 (2022)
171.	Mistle Thrush	15	24	6	23	21	34	36	8	21	13	201	20	0	36 (2022)
172.	Redwing	404	911	901	1167	13681	2317	2371	1054	3027	12287	38120	3812	15	13681 (2020)
173.	Blackbird	9	7	25	22	125	47	39	14	8	105	401	40	0	125 (2020)
174.	Fieldfare	945	353	962	925	2456	404	224	1208	231	5333	13041	1304	1	5333 (2025)
175.	Ring Ouzel	2	1	0	25	17	15	41	4	84	7	196	20	0	84 (2024)
176.	thrush sp.	347	332	296	8	43	23	8	2	9	6	1074	107	0	347 (2016)
177.	Spotted Flycatcher	0	0	0	0	0	1	0	1	0	2	4	0.4	0	2 (2025)
178.	Robin	0	0	0	3	0	3	0	1	0	0	7	0.7	0	3 (2019)
179.	Pied Flycatcher	0	0	0	0	1	0	1	0	0	0	2	0.2	0	1 (2020)
180.	Black Redstart	0	1	0	0	1	0	0	1	0	0	3	0.3	0	1 (2017)
181.	Redstart	0	0	0	1	1	0	0	0	0	0	2	0.2	0	1 (2019)
182.	Whinchat	0	0	1	0	0	0	1	0	0	1	3	0.3	0	1 (2018)
183.	Stonechat	0	0	0	1	4	0	6	2	0	1	14	1.4	0	6 (2022)
184.	Wheatear	0	1	3	3	2	0	0	3	0	1	13	1.3	0	3 (2018)
185.	Tree Sparrow	89	23	6	7	7	1	4	8	2	7	154	15	0	89 (2016)
186.	House Sparrow	0	0	0	1	2	23	0	0	2	0	28	2.8	0	23 (2021)
187.	Dunnock	11	14	22	45	38	77	15	4	1	36	263	26	0	77 (2021)
188.	Blue-headed Wagtail	8	13	12	35	118	404	20	105	50	174	939	94	3	404 (2021)
189.	Yellow Wagtail (flavissima)	0	0	0	0	0	7	0	0	0	0	7	0.7	0	7 (2021)
190.	Grey-headed Wagtail	0	1	0	0	2	5	0	0	0	0	8	0.8	0	5 (2021)
191.	Yellow wagtail sp.	56	119	73	65	42	26	50	32	6	74	543	54	11	119 (2017)
192.	Grey Wagtail	42	38	27	38	99	99	11	17	15	78	464	46	6	99 (2020)
193.	White Wagtail	76	110	112	267	345	618	202	176	122	516	2544	254	32	618 (2021)
194.	alba wagtail sp.	59	7	0	10	132	18	70	60	0	0	356	36	0	132 (2020)
195.	Motacilla (wagtail) sp.	0	0	0	0	0	24	1	0	0	0	25	2.5	0	24 (2021)
196.	Pied Wagtail	0	0	0	1	0	2	0	0	0	0	3	0.3	0	2 (2021)
197.	Richard's Pipit	0	0	0	0	1	0	0	0	0	1	2	0.2	0	1 (2020)
198.	Meadow Pipit	1207	2632	758	10760	4485	17076	2418	5412	764	5816	51328	5133	39	17076 (2021)
199.	Tree Pipit	38	21	28	42	27	63	14	30	74	37	374	37	0	74 (2024)
200.	Tree Pipit/Olive-backed Pipit	0	0	0	0	0	1	0	0	0	0	1	0.1	0	1 (2021)
	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
201.	Water Pipit	4	3	2	2	22	26	8	18	2	15	102	10	6	26 (2021)
202.	pipit sp.	0	0	0	0	6	5	0	0	0	1	12	1.2	0	6 (2020)
203.	Chaffinch	2892	6601	3290	6215	17194	10233	4497	3801	1733	16582	73038	7304	0	17194 (2020)
204.	Brambling	66	59	59	127	920	133	64	24	66	280	1798	180	0	920 (2020)
205.	Hawfinch	35	68	10	43	84	112	55	33	69	271	780	78	6	271 (2025)
206.	Bullfinch	9	10	1	11	14	6	2	3	1	2	59	5.9	3	14 (2020)
207.	Greenfinch	74	32	65	106	154	230	97	81	35	88	962	96	0	230 (2021)
208.	Linnet	45	132	168	293	94	267	74	130	39	173	1415	142	4	293 (2019)
209.	Mealy Redpoll	1	0	0	0	0	0	0	8	1	0	10	1	0	8 (2023)
210.	Lesser Redpoll	0	1	0	0	1	1	0	0	0	1	4	0.4	0	1 (2017)
211.	Redpoll	3	6	4	1	77	8	12	6	5	33	155	16	0	77 (2020)
212.	Crossbill	39	16	1	18	2	54	0	57	0	8	195	20	0	57 (2023)
213.	Goldfinch	123	142	158	561	538	562	540	448	128	691	3891	389	78	691 (2025)
214.	Serin	0	0	1	0	0	0	0	1	0	0	2	0.2	0	1 (2018)
215.	Siskin	551	111	204	2595	1005	658	559	1435	383	1597	9098	910	4	2595 (2019)
216.	Lapland Bunting	0	1	0	0	0	0	0	0	0	0	1	0.1	0	1 (2017)
217.	Yellowhammer	0	0	0	0	5	0	0	0	0	0	5	0.5	0	5 (2020)
218.	Little Bunting	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2019)
219.	Reed Bunting	129	129	71	344	174	290	116	105	70	231	1659	166	12	344 (2019)
220.	Species unidentified	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2024)
221.	passerine sp.	0	0	8	15	5	13	8	0	0	3	52	5.2	0	15 (2019)
	Other species
1.	Common Noctule	0	1	0	17	3	0	0	0	0	9	30	3	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.	Swallowtail	0	0	0	0	0	0	0	0	0	1	1	0.1	0	1 (2025)
6.	Green-veined White	0	0	0	0	0	8	0	0	0	0	8	0.8	0	8 (2021)
7.	white sp. (butterfly)	0	0	0	0	0	64	0	0	0	1	65	6.5	0	64 (2021)
8.	Comma	0	0	0	0	0	0	0	0	0	1	1	0.1	0	1 (2025)
9.	Red Admiral	0	0	0	2	2	270	26	80	76	2	458	46	0	270 (2021)
10.	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	118452	671814	67181	2780
	Observation hours	187:00	147:08	103:51	239:08	286:59	413:45	214:54	196:33	143:10	355:13	2,287:41	228:46

Trektellen

Totals Hoogekampse Plas, De Bilt 2016 - 2025