Totals Bichterweerd 2011 - 2020

	Species	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	Totals	Average	Present	Year Maximum
1.	Canada Goose	0	40	0	0	0	0	0	0	0	0	40	4	0	40 (2012)
2.	Barnacle Goose	85	22	0	0	0	0	4	59	14	110	294	29	0	110 (2020)
3.	Lesser Canada Goose	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2014)
4.	Bar-headed Goose	0	1	0	0	0	1	0	0	0	0	2	0.2	0	1 (2012)
5.	Snow Goose	0	0	0	1	0	0	1	0	0	0	2	0.2	0	1 (2014)
6.	Greylag Goose	444	97	43	262	188	125	1005	277	267	142	2850	285	2670	1005 (2017)
7.	Anser sp.	93	282	12	519	1400	5139	75	40	283	1891	9734	973	0	5139 (2016)
8.	goose sp.	0	0	387	104	12	0	10	0	0	0	513	51	0	387 (2013)
9.	Pink-footed Goose	0	14	0	0	0	0	0	0	0	0	14	1.4	0	14 (2012)
10.	Tundra Bean Goose	116	2	95	393	99	60	36	89	67	629	1586	159	106	629 (2020)
11.	Bean Goose sp.	17	0	0	1	0	0	11	0	0	0	29	2.9	0	17 (2011)
12.	Eurasian White-fronted Goose	602	780	5772	5278	3478	2293	1345	4174	2473	10497	36692	3669	12600	10497 (2020)
13.	Black Swan	0	1	0	0	3	4	0	8	0	0	16	1.6	0	8 (2018)
14.	Mute Swan	3	0	2	2	0	0	1	8	10	2	28	2.8	0	10 (2019)
15.	Bewick's Swan	0	0	0	2	0	0	0	0	0	0	2	0.2	0	2 (2014)
16.	Egyptian Goose	31	0	0	0	0	507	0	100	386	36	1060	106	100	507 (2016)
17.	Shelduck	4	3	4	0	0	4	0	0	9	1	25	2.5	45	9 (2019)
18.	Ruddy Shelduck	0	2	0	20	5	0	20	8	0	0	55	5.5	2	20 (2014)
19.	Garganey	0	0	0	0	7	0	2	0	0	0	9	0.9	0	7 (2015)
20.	Shoveler	53	44	131	114	332	181	60	20	18	3	956	96	269	332 (2015)
21.	Gadwall	0	0	0	0	2	235	11	0	0	0	248	25	0	235 (2016)
22.	Wigeon	36	53	293	64	5	1	111	62	30	121	776	78	258	293 (2013)
23.	Mallard	4	89	225	115	134	50	107	0	0	0	724	72	0	225 (2013)
24.	Pintail	7	13	138	66	39	16	101	23	0	6	409	41	50	138 (2013)
25.	Teal	0	7	8	0	0	0	0	1	37	0	53	5.3	50	37 (2019)
26.	duck sp.	0	1	0	0	6	55	0	10	0	0	72	7.2	0	55 (2016)
27.	Red-crested Pochard	0	0	0	0	0	2	0	0	0	0	2	0.2	0	2 (2016)
28.	Pochard	0	1	0	0	28	0	0	16	0	0	45	4.5	0	28 (2015)
29.	Tufted Duck	0	0	0	4	0	0	121	0	0	0	125	13	0	121 (2017)
30.	Common Scoter	0	0	0	0	0	6	0	0	0	0	6	0.6	0	6 (2016)
31.	Goldeneye	0	4	1	17	0	0	3	0	2	0	27	2.7	5	17 (2014)
32.	Goosander	0	0	0	0	1	2	4	0	1	0	8	0.8	3	4 (2017)
33.	Red-breasted Merganser	17	0	0	0	2	3	0	0	0	0	22	2.2	0	17 (2011)
34.	Swift	0	776	546	1057	133	1186	1141	83	1310	2	6234	623	150	1310 (2019)
35.	Cuckoo	2	1	2	11	0	7	2	0	6	0	31	3.1	2	11 (2014)
36.	Stock Dove	90	99	273	172	39	72	923	117	162	163	2110	211	138	923 (2017)
37.	Woodpigeon	39086	73115	92087	104375	24860	22102	23859	14067	51246	32368	477165	47717	2300	104375 (2014)
38.	Turtle Dove	0	8	6	21	7	18	8	1	4	0	73	7.3	18	21 (2014)
39.	Collared Dove	0	3	3	4	0	6	1	5	1	0	23	2.3	0	6 (2016)
40.	Crane	367	317	2186	5974	589	2	4402	2	48	2	13889	1389	0	5974 (2014)
41.	Great Crested Grebe	0	0	0	0	0	0	0	0	1	10	11	1.1	0	10 (2020)
42.	Black-necked Grebe	0	6	0	0	0	0	0	0	0	0	6	0.6	0	6 (2012)
43.	Stone Curlew	1	0	0	0	0	0	0	0	0	0	1	0.1	0	1 (2011)
44.	Oystercatcher	0	0	0	4	0	2	0	0	0	0	6	0.6	0	4 (2014)
45.	Avocet	13	6	15	25	3	1	0	0	0	0	63	6.3	0	25 (2014)
46.	Lapwing	3813	6670	10514	13876	5469	1565	3769	2933	4650	2239	55498	5550	1575	13876 (2014)
47.	Golden Plover	7	4	15	25	96	44	4	25	3	1	224	22	2	96 (2015)
48.	Grey Plover	3	5	2	5	2	4	1	4	2	2	30	3	0	5 (2012)
49.	Ringed Plover	3	17	109	47	19	84	18	0	23	22	342	34	19	109 (2013)
50.	Little Ringed Plover	0	14	18	6	16	9	7	3	1	0	74	7.4	27	18 (2013)
	Species	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	Totals	Average	Present	Year Maximum
51.	Kentish Plover	0	1	1	0	0	0	0	0	0	0	2	0.2	0	1 (2012)
52.	Dotterel	0	0	0	0	0	3	1	0	0	0	4	0.4	0	3 (2016)
53.	Whimbrel	1	7	52	26	12	12	5	0	1	0	116	12	0	52 (2013)
54.	Curlew	7	6	34	15	4	6	8	1	4	2	87	8.7	2	34 (2013)
55.	Numenius sp.	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2017)
56.	Bar-tailed Godwit	0	0	2	3	1	0	1	0	0	0	7	0.7	0	3 (2014)
57.	Black-tailed Godwit	0	1	8	14	8	5	3	0	0	0	39	3.9	0	14 (2014)
58.	Turnstone	0	0	0	0	2	2	1	0	0	2	7	0.7	0	2 (2015)
59.	Knot	0	1	3	2	3	3	0	0	0	0	12	1.2	0	3 (2013)
60.	Ruff	17	20	95	25	53	18	53	20	50	2	353	35	16	95 (2013)
61.	Broad-billed Sandpiper	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2013)
62.	wader sp.	4	4	72	24	34	6	20	2	31	0	197	20	0	72 (2013)
63.	Curlew Sandpiper	0	2	49	2	1	14	0	0	2	0	70	7	0	49 (2013)
64.	Temminck's Stint	0	5	10	8	3	5	0	4	5	0	40	4	4	10 (2013)
65.	Sanderling	0	0	2	0	0	0	1	0	0	0	3	0.3	0	2 (2013)
66.	Dunlin	11	39	62	26	19	13	40	3	6	5	224	22	23	62 (2013)
67.	Little Stint	0	1	7	8	1	2	3	0	0	0	22	2.2	0	8 (2014)
68.	White-rumped Sandpiper	0	0	0	0	0	0	10	0	0	0	10	1	0	10 (2017)
69.	Calidris sp.	2	0	1	1	0	27	10	0	0	0	41	4.1	0	27 (2016)
70.	Woodcock	1	0	0	0	0	0	0	0	0	0	1	0.1	0	1 (2011)
71.	Jack Snipe	0	2	0	2	0	1	0	0	0	0	5	0.5	0	2 (2012)
72.	Snipe	9	36	312	377	112	53	20	30	17	12	978	98	35	377 (2014)
73.	Red-necked Phalarope	0	0	0	2	0	0	0	0	0	0	2	0.2	0	2 (2014)
74.	Common Sandpiper	0	9	4	3	0	0	0	0	2	0	18	1.8	2	9 (2012)
75.	Green Sandpiper	19	17	40	47	24	8	13	29	12	6	215	22	9	47 (2014)
76.	Redshank	36	29	105	67	3	21	5	2	8	0	276	28	3	105 (2013)
77.	Wood Sandpiper	3	10	50	20	33	10	0	1	3	1	131	13	6	50 (2013)
78.	Spotted Redshank	1	5	19	21	11	6	3	7	1	1	75	7.5	0	21 (2014)
79.	Greenshank	18	80	220	137	90	60	71	28	71	26	801	80	31	220 (2013)
80.	Black-headed Gull	0	0	1	0	0	0	0	25	312	0	338	34	18	312 (2019)
81.	Little Gull	6	5	173	29	55	38	19	0	7	0	332	33	8	173 (2013)
82.	Mediterranean Gull	0	10	8	1	9	18	3	0	1	0	50	5	0	18 (2016)
83.	Common Gull	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2019)
84.	Herring Gull	0	0	0	2	0	0	0	7	1	1	11	1.1	0	7 (2018)
85.	Caspian Gull	0	1	0	0	0	0	2	0	0	0	3	0.3	0	2 (2017)
86.	Yellow-legged Gull	0	0	0	0	0	0	4	0	0	0	4	0.4	0	4 (2017)
87.	Lesser Black-backed Gull	4	414	105	115	0	0	47	2	40	2	729	73	12	414 (2012)
88.	Gull-billed Tern	0	0	1	0	0	0	0	2	0	0	3	0.3	0	2 (2018)
89.	Caspian Tern	0	4	1	0	1	0	3	0	0	2	11	1.1	0	4 (2012)
90.	Sandwich Tern	0	0	0	1	2	2	0	0	0	0	5	0.5	0	2 (2015)
91.	Common Tern	0	38	42	52	11	16	62	15	34	0	270	27	38	62 (2017)
92.	Arctic Tern	0	0	1	1	0	0	0	0	3	1	6	0.6	0	3 (2019)
93.	Whiskered Tern	0	2	0	1	0	0	0	0	0	0	3	0.3	0	2 (2012)
94.	White-winged Black Tern	0	0	0	1	0	2	0	0	0	0	3	0.3	0	2 (2016)
95.	Black Tern	19	27	18	40	25	131	23	0	49	2	334	33	0	131 (2016)
96.	diver sp.	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2017)
97.	Black Stork	0	1	0	1	0	1	1	0	0	1	5	0.5	0	1 (2012)
98.	White Stork	12	130	23	171	42	107	14	4	120	92	715	72	0	171 (2014)
99.	Cormorant	3339	5714	6669	3797	2625	2468	3274	2496	2279	2646	35307	3531	4480	6669 (2013)
100.	Glossy Ibis	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2014)
	Species	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	Totals	Average	Present	Year Maximum
101.	Spoonbill	0	0	5	1	9	2	10	3	24	10	64	6.4	3	24 (2019)
102.	Night Heron	0	0	0	0	0	1	0	0	0	0	1	0.1	0	1 (2016)
103.	Grey Heron	52	154	244	147	158	104	82	108	177	26	1252	125	70	244 (2013)
104.	Purple Heron	2	0	0	0	0	0	0	0	1	0	3	0.3	0	2 (2011)
105.	Great White Egret	124	131	166	227	177	90	150	160	217	68	1510	151	55	227 (2014)
106.	Little Egret	0	1	0	1	3	10	1	0	0	1	17	1.7	1	10 (2016)
107.	Osprey	10	22	38	27	14	21	26	8	18	21	205	21	2	38 (2013)
108.	Honey Buzzard	0	4	751	55	38	9	10	1	13	7	888	89	0	751 (2013)
109.	Short-toed Eagle	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2014)
110.	eagle sp.	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2014)
111.	Sparrowhawk	230	242	216	128	135	104	118	44	99	109	1425	143	28	242 (2012)
112.	Goshawk	1	1	1	3	4	3	5	2	1	2	23	2.3	3	5 (2017)
113.	Marsh Harrier	16	36	58	81	56	36	42	14	37	31	407	41	3	81 (2014)
114.	Hen Harrier	10	4	10	11	3	4	2	5	6	2	57	5.7	0	11 (2014)
115.	Pallid Harrier	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2014)
116.	Montagu's Harrier	0	1	2	0	0	2	1	0	1	0	7	0.7	0	2 (2013)
117.	harrier sp.	0	0	1	3	0	0	0	0	1	0	5	0.5	0	3 (2014)
118.	Red Kite	33	22	13	18	12	10	27	16	36	12	199	20	0	36 (2019)
119.	Black Kite	0	5	8	20	23	13	10	5	11	0	95	9.5	2	23 (2015)
120.	White-tailed Eagle	0	1	1	0	1	0	0	0	1	2	6	0.6	0	2 (2020)
121.	Rough-legged Buzzard	5	0	0	0	1	0	0	0	0	1	7	0.7	0	5 (2011)
122.	Common Buzzard	839	781	343	245	332	197	385	56	501	359	4038	404	234	839 (2011)
123.	Short-eared Owl	0	0	0	0	2	0	1	0	0	2	5	0.5	0	2 (2015)
124.	Asio sp.	0	1	0	0	0	0	0	0	0	0	1	0.1	0	1 (2012)
125.	European Bee-eater	0	0	1	0	1	1	1	0	0	0	4	0.4	0	1 (2013)
126.	Great Spotted Woodpecker	3	28	17	20	19	8	17	18	13	7	150	15	7	28 (2012)
127.	Black Woodpecker	0	3	0	0	1	0	0	0	0	0	4	0.4	0	3 (2012)
128.	Green Woodpecker	0	0	0	0	3	0	1	4	0	0	8	0.8	1	4 (2018)
129.	Kestrel	32	14	18	70	28	46	34	41	50	22	355	36	46	70 (2014)
130.	Red-footed Falcon	0	0	0	0	1	2	0	0	0	0	3	0.3	0	2 (2016)
131.	Merlin	12	21	19	17	18	19	3	5	2	4	120	12	0	21 (2012)
132.	Hobby	1	21	13	2	10	8	17	4	6	8	90	9	7	21 (2012)
133.	Peregrine	4	7	12	6	2	8	17	5	10	13	84	8.4	11	17 (2017)
134.	falcon sp.	0	1	0	0	0	5	0	1	2	0	9	0.9	0	5 (2016)
135.	Great Grey Shrike	1	1	0	0	1	1	0	0	0	0	4	0.4	1	1 (2011)
136.	Golden Oriole	0	1	2	2	1	8	1	0	2	0	17	1.7	2	8 (2016)
137.	Jay	243	414	80	135	17	6	26	11	1687	10	2629	263	17	1687 (2019)
138.	Magpie	6	19	16	8	7	12	26	4	14	17	129	13	12	26 (2017)
139.	Jackdaw	974	603	816	631	144	339	155	133	596	4	4395	440	0	974 (2011)
140.	Rook	323	286	188	850	449	339	355	406	310	244	3750	375	17	850 (2014)
141.	Carrion Crow	9	9	1	26	52	0	13	14	113	16	253	25	0	113 (2019)
142.	Blue Tit	1	169	29	15	64	10	53	33	50	0	424	42	0	169 (2012)
143.	Great Tit	1	28	2	22	9	2	7	3	11	1	86	8.6	0	28 (2012)
144.	Parus (tit) sp.	0	0	0	0	10	0	0	0	0	0	10	1	0	10 (2015)
145.	Penduline Tit	1	1	2	2	3	0	0	0	0	0	9	0.9	0	3 (2015)
146.	Bearded Tit	3	0	1	0	0	0	0	0	0	0	4	0.4	0	3 (2011)
147.	Wood Lark	5	116	65	35	62	11	29	40	71	152	586	59	1	152 (2020)
148.	Skylark	6682	23532	20336	26036	8860	7452	5829	10785	10305	8252	128069	12807	1214	26036 (2014)
149.	Shore Lark	0	0	0	0	0	0	0	0	0	1	1	0.1	0	1 (2020)
150.	Sand Martin	29	177	449	167	40	21	134	26	24	62	1129	113	75	449 (2013)
	Species	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	Totals	Average	Present	Year Maximum
151.	Swallow	755	5830	5475	3218	1576	1663	3305	2375	1763	663	26623	2662	523	5830 (2012)
152.	House Martin	0	1001	989	27	65	6	62	22	38	27	2237	224	0	1001 (2012)
153.	Long-tailed Tit	0	0	0	0	0	15	0	30	0	0	45	4.5	0	30 (2018)
154.	Willow Warbler	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2015)
155.	Chiffchaff	1	2	3	0	2	0	3	7	9	0	27	2.7	1	9 (2019)
156.	Chiffchaff (Siberian - tristis)	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2014)
157.	Chiffchaff/Willow Warbler	0	0	0	0	0	0	2	0	0	0	2	0.2	0	2 (2017)
158.	Blackcap	0	0	0	0	0	0	0	8	0	0	8	0.8	0	8 (2018)
159.	Wren	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2017)
160.	Starling	8547	22103	15519	15270	9760	4043	9221	11838	10420	4743	111464	11146	1875	22103 (2012)
161.	Song Thrush	65	502	18	376	39	139	57	53	136	74	1459	146	12	502 (2012)
162.	Mistle Thrush	11	108	32	180	24	6	28	4	7	6	406	41	0	180 (2014)
163.	Redwing	55	695	2456	6693	421	47	416	19	563	512	11877	1188	0	6693 (2014)
164.	Blackbird	7	4	8	26	11	5	5	13	0	4	83	8.3	6	26 (2014)
165.	Fieldfare	412	1131	1264	2297	1310	799	778	2711	2018	2415	15135	1514	278	2711 (2018)
166.	Ring Ouzel	0	22	8	8	0	1	0	1	0	0	40	4	0	22 (2012)
167.	thrush sp.	126	1778	1525	601	60	62	172	169	338	15	4846	485	0	1778 (2012)
168.	Black Redstart	0	0	1	1	0	0	0	0	0	0	2	0.2	0	1 (2013)
169.	Whinchat	0	0	0	0	0	1	1	0	1	0	3	0.3	0	1 (2016)
170.	Wheatear	0	0	0	0	0	14	4	0	0	1	19	1.9	4	14 (2016)
171.	Tree Sparrow	511	505	107	306	12	19	11	54	0	0	1525	153	0	511 (2011)
172.	Dunnock	8	12	7	13	3	1	3	31	9	1	88	8.8	0	31 (2018)
173.	Blue-headed Wagtail	73	457	1169	912	281	326	656	66	146	72	4158	416	222	1169 (2013)
174.	Yellow Wagtail (flavissima)	0	1	0	0	0	0	0	0	0	0	1	0.1	0	1 (2012)
175.	Grey-headed Wagtail	0	108	1	3	94	13	0	0	64	0	283	28	0	108 (2012)
176.	Yellow wagtail sp.	4	10	0	0	2	89	0	127	12	0	244	24	0	127 (2018)
177.	Citrine Wagtail	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2013)
178.	Grey Wagtail	12	3	14	3	2	9	9	6	2	0	60	6	0	14 (2013)
179.	White Wagtail	545	1432	953	2269	450	262	454	490	477	180	7512	751	53	2269 (2014)
180.	alba wagtail sp.	19	94	18	1	1	16	0	10	0	0	159	16	0	94 (2012)
181.	Richard's Pipit	0	0	0	1	0	0	0	0	1	0	2	0.2	0	1 (2014)
182.	Tawny Pipit	1	9	1	0	8	2	0	0	0	0	21	2.1	0	9 (2012)
183.	Meadow Pipit	1147	2630	2097	3481	1419	3227	2158	1428	838	549	18974	1897	494	3481 (2014)
184.	Tree Pipit	26	93	126	89	7	25	3	3	6	1	379	38	0	126 (2013)
185.	Red-throated Pipit	1	0	0	0	3	2	0	0	0	0	6	0.6	0	3 (2015)
186.	Water Pipit	6	1	3	0	0	0	0	0	0	0	10	1	1	6 (2011)
187.	Rock Pipit/Water Pipit	1	0	0	0	0	0	0	0	0	0	1	0.1	0	1 (2011)
188.	pipit sp.	0	0	0	0	5	0	0	0	0	0	5	0.5	0	5 (2015)
189.	Chaffinch	991	29157	8489	23888	5522	4745	16106	5258	7429	11530	113115	11312	3	29157 (2012)
190.	Brambling	13	514	61	28	24	0	56	67	12	7	782	78	0	514 (2012)
191.	finch sp.	503	4845	8364	944	380	943	221	763	364	441	17768	1777	0	8364 (2013)
192.	Hawfinch	0	12	0	1	0	1	0	0	0	0	14	1.4	0	12 (2012)
193.	Bullfinch	0	1	0	0	0	0	0	0	0	0	1	0.1	0	1 (2012)
194.	Greenfinch	19	35	572	34	173	12	17	31	40	3	936	94	200	572 (2013)
195.	Twite	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2017)
196.	Linnet	1089	2708	3111	2076	2262	738	2398	1211	746	852	17191	1719	1220	3111 (2013)
197.	redpoll sp.	1	1	0	0	2	0	0	0	0	0	4	0.4	0	2 (2015)
198.	Crossbill	0	0	23	0	0	0	0	0	0	0	23	2.3	0	23 (2013)
199.	Goldfinch	18	368	101	326	265	96	224	290	568	109	2365	237	232	568 (2019)
200.	Serin	1	1	0	0	1	0	0	0	1	1	5	0.5	0	1 (2011)
	Species	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	Totals	Average	Present	Year Maximum
201.	Siskin	2	55	25	49	141	19	58	5	78	48	480	48	0	141 (2015)
202.	Lapland Bunting	1	0	0	0	0	0	0	0	1	0	2	0.2	0	1 (2011)
203.	Snow Bunting	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2015)
204.	Corn Bunting	0	0	0	1	1	0	0	0	0	0	2	0.2	0	1 (2014)
205.	Yellowhammer	23	57	23	14	8	24	6	7	2	0	164	16	6	57 (2012)
206.	Ortolan Bunting	0	5	0	0	0	0	0	0	0	0	5	0.5	0	5 (2012)
207.	Reed Bunting	362	464	1219	1001	619	362	467	1272	437	356	6559	656	64	1272 (2018)
208.	bunting sp.	0	0	0	6	0	0	0	0	0	0	6	0.6	0	6 (2014)
209.	passerine sp.	0	1047	2356	7359	1920	2082	2601	257	188	0	17810	1781	0	7359 (2014)
	Other species
1.	Small Tortoiseshell	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2014)
2.	Dark Clouded Yellow	0	0	0	8	0	0	0	0	0	0	8	0.8	0	8 (2014)
3.	Pale Clouded Yellow	3	0	0	0	0	0	0	0	0	0	3	0.3	0	3 (2011)
4.	Brimstone	0	0	0	0	0	0	0	0	0	2	2	0.2	0	2 (2020)
5.	European Peacock	7	1	8	1	1	2	2	0	0	0	22	2.2	0	8 (2013)
6.	Swallowtail	0	0	0	0	0	1	0	0	0	0	1	0.1	0	1 (2016)
7.	Small White	0	0	0	0	0	0	0	0	0	4	4	0.4	0	4 (2020)
8.	Red Admiral	1	11	8	109	0	5	5	0	12	8	159	16	0	109 (2014)
	Species	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	Totals	Average	Present	Year Maximum
	Totals	73425	193788	201157	238244	77804	65570	87984	65394	105250	83141	1191757	119176	32082
	Observation hours	128:15	282:55	359:46	422:46	314:26	223:05	241:01	154:39	238:22	109:25	2,474:40	247:28

Trektellen

Totals Bichterweerd 2011 - 2020