Select until 6 February

Totals Aetsveldsche polder, Nigtevecht 2017 - 2026

	Species	2017	2018	2019	2020	2021	2022	2023	2024	2025	2026	Totals	Average	Present	Year Maximum
1.	Dark-bellied Brent Goose	0	0	0	601	3	0	0	1	0	0	605	67	0	601 (2020)
2.	Canada Goose	22	40	123	235	186	160	567	297	345	0	1975	219	0	567 (2023)
3.	Canada X Greylag Goose	0	0	0	0	0	0	4	1	0	0	5	0.6	0	4 (2023)
4.	Barnacle Goose	118	774	2508	9056	15188	6337	7712	7617	7864	0	57174	6353	0	15188 (2021)
5.	Branta leucopsis x ?	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2021)
6.	Lesser Canada Goose	0	0	0	3	2	3	1	1	3	0	13	1.4	0	3 (2020)
7.	Bar-headed Goose	2	0	0	0	0	0	1	1	0	0	4	0.4	0	2 (2017)
8.	Snow Goose	0	0	0	0	2	0	0	0	0	0	2	0.2	0	2 (2021)
9.	Greylag Goose	1756	7460	4019	11102	8046	9098	9341	18322	10931	0	80075	8897	15	18322 (2024)
10.	Anser sp.	0	0	0	0	0	82	0	69	0	0	151	17	0	82 (2022)
11.	goose sp.	0	256	0	118	290	306	407	225	633	0	2235	248	0	633 (2025)
12.	Domestic Goose	0	5	3	5	5	8	5	14	10	0	55	6.1	0	14 (2024)
13.	Feral Mallard	0	0	0	0	0	0	11	10	10	0	31	3.4	0	11 (2023)
14.	Pink-footed Goose	0	10	79	540	68	71	170	37	43	0	1018	113	0	540 (2020)
15.	Tundra Bean Goose	11	70	64	243	295	336	244	336	656	0	2255	251	0	656 (2025)
16.	Eurasian White-fronted Goose	407	6331	17501	44977	31787	26904	34139	37175	70995	0	270216	30024	0	70995 (2025)
17.	Black Swan	0	0	0	4	0	1	0	0	0	0	5	0.6	0	4 (2020)
18.	Mute Swan	106	133	190	308	369	277	614	261	374	0	2632	292	0	614 (2023)
19.	Bewick's Swan	0	4	32	28	79	8	0	15	0	0	166	18	0	79 (2021)
20.	Whooper Swan	1	7	16	2	11	14	14	6	3	0	74	8.2	0	16 (2019)
21.	Egyptian Goose	77	201	257	802	918	551	834	1146	1213	0	5999	667	0	1213 (2025)
22.	Shelduck	6	29	69	82	165	112	116	157	105	0	841	93	0	165 (2021)
23.	Ruddy Shelduck	0	0	0	3	0	1	6	5	4	0	19	2.1	0	6 (2023)
24.	Garganey	0	0	0	1	0	1	4	0	0	0	6	0.7	0	4 (2023)
25.	Shoveler	11	9	13	225	12	64	60	55	22	0	471	52	0	225 (2020)
26.	Gadwall	185	305	492	918	792	992	759	613	490	0	5546	616	0	992 (2022)
27.	Wigeon	173	3809	994	3167	3287	6542	9906	7136	8989	0	44003	4889	0	9906 (2023)
28.	Mallard	57	78	75	146	199	198	269	328	273	0	1623	180	0	328 (2024)
29.	Pintail	7	19	2	115	89	24	75	119	24	0	474	53	0	119 (2024)
30.	Teal	1	14	0	16	9	9	31	23	19	0	122	14	0	31 (2023)
31.	dabbling duck sp.	0	0	0	0	2	0	0	0	0	0	2	0.2	0	2 (2021)
32.	duck sp.	0	0	0	25	79	104	116	187	3865	0	4376	486	0	3865 (2025)
33.	Garganey/Teal	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2025)
34.	Red-crested Pochard	0	0	0	1	0	0	0	0	2	0	3	0.3	0	2 (2025)
35.	Pochard	0	0	9	14	11	0	9	0	19	0	62	6.9	0	19 (2025)
36.	Tufted Duck	57	2	4	8	11	10	28	83	30	0	233	26	0	83 (2024)
37.	Goldeneye	0	0	0	0	11	0	5	0	0	0	16	1.8	0	11 (2021)
38.	Goosander	0	0	0	0	5	3	4	4	5	0	21	2.3	0	5 (2021)
39.	Red-breasted Merganser	0	0	0	0	0	6	0	0	2	0	8	0.9	0	6 (2022)
40.	Mergus sp.	0	0	0	0	0	2	0	0	0	0	2	0.2	0	2 (2022)
41.	Swift	74	26	52	201	385	116	255	204	315	0	1628	181	0	385 (2021)
42.	Cuckoo	0	0	1	6	4	2	1	6	6	0	26	2.9	0	6 (2020)
43.	Feral Pigeon	0	0	11	636	593	331	339	88	490	0	2488	276	0	636 (2020)
44.	Stock Dove	22	110	95	286	206	415	351	385	373	0	2243	249	0	415 (2022)
45.	Woodpigeon	550	1055	3184	3522	5874	2550	3062	5004	3380	0	28181	3131	0	5874 (2021)
46.	dove (Columba) sp.	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2024)
47.	Turtle Dove	0	1	0	1	0	0	0	0	0	0	2	0.2	0	1 (2018)
48.	Collared Dove	1	3	6	8	36	19	21	11	11	0	116	13	0	36 (2021)
49.	Coot	0	0	0	0	1	1	1	1	1	0	5	0.6	0	1 (2021)
50.	Crane	1	1	0	8	1	91	1	73	4	0	180	20	0	91 (2022)
	Species	2017	2018	2019	2020	2021	2022	2023	2024	2025	2026	Totals	Average	Present	Year Maximum
51.	Great Crested Grebe	0	0	1	1	4	2	6	8	5	0	27	3	0	8 (2024)
52.	Greater Flamingo	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2023)
53.	Oystercatcher	1	13	41	124	110	43	70	149	123	0	674	75	0	149 (2024)
54.	Avocet	0	0	0	0	2	0	0	0	0	0	2	0.2	0	2 (2021)
55.	Grey Plover	0	1	0	5	5	0	3	3	0	0	17	1.9	0	5 (2020)
56.	Golden Plover	782	1162	837	1750	1733	2559	1464	3291	1968	0	15546	1727	310	3291 (2024)
57.	Dotterel	0	0	0	4	2	2	2	2	3	0	15	1.7	0	4 (2020)
58.	Ringed Plover	0	0	0	4	11	4	27	1	5	0	52	5.8	0	27 (2023)
59.	Little Ringed Plover	0	1	1	4	8	8	1	2	2	0	27	3	0	8 (2021)
60.	Lapwing	1063	3871	2534	7458	11216	13133	5604	15547	10262	0	70688	7854	0	15547 (2024)
61.	Whimbrel	11	3	92	272	566	118	65	342	175	0	1644	183	0	566 (2021)
62.	Curlew	30	43	43	46	126	127	131	87	53	0	686	76	0	131 (2023)
63.	Numenius sp.	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2024)
64.	Bar-tailed Godwit	15	0	0	1	1	0	0	2	2	0	21	2.3	0	15 (2017)
65.	Black-tailed Godwit	2	8	18	292	178	153	26	158	182	0	1017	113	0	292 (2020)
66.	Jack Snipe	0	0	0	2	1	1	2	3	2	0	11	1.2	0	3 (2024)
67.	Woodcock	0	0	0	2	0	0	1	0	0	0	3	0.3	0	2 (2020)
68.	Snipe	159	228	230	938	396	933	1106	724	393	0	5107	567	0	1106 (2023)
69.	Common Sandpiper	1	2	1	11	6	2	13	6	5	0	47	5.2	0	13 (2023)
70.	Green Sandpiper	4	2	20	62	50	26	45	50	96	0	355	39	0	96 (2025)
71.	Wood Sandpiper	1	0	5	1	23	1	71	1	6	0	109	12	0	71 (2023)
72.	Redshank	1	10	7	25	25	39	13	16	70	0	206	23	0	70 (2025)
73.	Spotted Redshank	0	2	0	2	0	0	0	0	0	0	4	0.4	0	2 (2018)
74.	Greenshank	3	0	1	7	5	4	12	8	3	0	43	4.8	0	12 (2023)
75.	Turnstone	0	0	0	0	0	1	0	0	0	0	1	0.1	0	1 (2022)
76.	Knot	0	0	0	0	0	0	18	0	0	0	18	2	0	18 (2023)
77.	Ruff	10	3	0	8	99	192	46	42	49	0	449	50	0	192 (2022)
78.	wader sp.	0	0	2	0	16	6	22	3	18	0	67	7.4	0	22 (2023)
79.	Dunlin	0	0	0	0	1	11	5	47	2	0	66	7.3	0	47 (2024)
80.	Gull-billed Tern	1	1	0	1	0	0	0	0	0	0	3	0.3	0	1 (2017)
81.	Caspian Tern	0	0	0	0	0	2	0	3	3	0	8	0.9	0	3 (2024)
82.	Black Tern	0	13	54	19	151	0	32	0	14	0	283	31	0	151 (2021)
83.	Arctic Tern	0	0	0	2	0	0	0	0	0	0	2	0.2	0	2 (2020)
84.	Common Tern	0	9	15	25	30	13	15	14	34	0	155	17	0	34 (2025)
85.	sterna sp.	0	0	0	0	0	0	2	0	0	0	2	0.2	0	2 (2023)
86.	Little Gull	0	0	0	7	78	2	0	6	1	0	94	10.4	0	78 (2021)
87.	Black-headed Gull	715	846	1414	6743	4832	3784	3885	7501	2681	0	32401	3600	0	7501 (2024)
88.	Mediterranean Gull	9	26	46	159	108	68	150	66	48	0	680	76	2	159 (2020)
89.	Common Gull	37	133	108	328	315	812	1270	1034	664	0	4701	522	0	1270 (2023)
90.	Caspian Gull	0	3	4	21	12	31	33	23	86	0	213	24	0	86 (2025)
91.	Herring Gull	15	14	32	73	101	90	96	77	93	0	591	66	0	101 (2021)
92.	Yellow-legged Gull	0	0	0	2	0	1	0	1	0	0	4	0.4	0	2 (2020)
93.	Great Black-backed Gull	1	7	6	10	22	6	4	9	14	0	79	8.8	0	22 (2021)
94.	Lesser Black-backed Gull	52	87	139	410	622	239	411	483	611	0	3054	339	0	622 (2021)
95.	Laridae sp.	0	0	0	52	0	100	0	0	0	0	152	17	0	100 (2022)
96.	large gull sp.	0	0	2	0	6	20	0	0	0	0	28	3.1	0	20 (2022)
97.	diver sp.	0	0	0	0	0	1	0	0	0	0	1	0.1	0	1 (2022)
98.	Black Stork	1	0	0	1	0	1	0	1	2	0	6	0.7	0	2 (2025)
99.	White Stork	34	60	77	120	121	107	77	123	217	0	936	104	4	217 (2025)
100.	Cormorant	1926	2011	1440	7832	4086	6675	5415	4346	3088	0	36819	4091	0	7832 (2020)
	Species	2017	2018	2019	2020	2021	2022	2023	2024	2025	2026	Totals	Average	Present	Year Maximum
101.	Glossy Ibis	0	2	0	0	0	2	0	0	0	0	4	0.4	0	2 (2018)
102.	Spoonbill	8	30	36	97	230	526	185	174	254	0	1540	171	2	526 (2022)
103.	Bittern	1	0	0	0	0	0	0	0	0	0	1	0.1	0	1 (2017)
104.	Little Egret	0	1	0	1	3	4	0	18	3	0	30	3.3	0	18 (2024)
105.	Cattle Egret	0	0	1	0	4	2	23	0	2	0	32	3.6	0	23 (2023)
106.	Great White Egret	53	165	217	277	167	231	263	314	251	0	1938	215	3	314 (2024)
107.	heron sp.	0	0	0	0	8	0	2	0	0	0	10	1.1	0	8 (2021)
108.	Grey Heron	15	63	95	247	119	160	338	112	140	0	1289	143	0	338 (2023)
109.	Purple Heron	5	22	29	83	78	41	52	70	49	0	429	48	0	83 (2020)
110.	Osprey	5	6	3	12	2	6	7	6	9	0	56	6.2	0	12 (2020)
111.	Honey Buzzard	2	5	5	2	5	4	0	0	13	0	36	4	0	13 (2025)
112.	Sparrowhawk	50	94	80	179	134	182	102	179	149	0	1149	128	0	182 (2022)
113.	Goshawk	2	10	11	21	24	17	10	15	13	0	123	14	0	24 (2021)
114.	Marsh Harrier	19	55	68	167	144	114	188	192	209	0	1156	128	0	209 (2025)
115.	Hen Harrier	4	8	8	18	12	11	11	11	9	0	92	10.2	0	18 (2020)
116.	Pallid Harrier	0	0	0	1	0	0	0	2	2	0	5	0.6	0	2 (2024)
117.	Montagu's Harrier	1	0	0	1	0	0	1	0	0	0	3	0.3	0	1 (2017)
118.	harrier sp.	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2024)
119.	Montagu's/Pallid Harrier	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2020)
120.	Hen/Montagu's/Pallid Harrier	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2020)
121.	Red Kite	0	15	1	8	3	3	2	5	3	0	40	4.4	0	15 (2018)
122.	Black Kite	1	5	4	3	1	0	2	0	4	0	20	2.2	0	5 (2018)
123.	White-tailed Eagle	1	4	2	3	6	31	16	22	38	0	123	14	0	38 (2025)
124.	Rough-legged Buzzard	0	1	0	0	0	1	0	0	0	0	2	0.2	0	1 (2018)
125.	Common Buzzard	117	275	449	1393	217	244	180	192	243	0	3310	368	1	1393 (2020)
126.	raptor sp.	0	0	0	0	2	0	0	0	0	0	2	0.2	0	2 (2021)
127.	Long-eared Owl	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2023)
128.	Short-eared Owl	0	1	1	2	0	1	1	1	0	0	7	0.8	0	2 (2020)
129.	Kingfisher	0	1	1	3	0	2	3	4	4	0	18	2	0	4 (2024)
130.	European Bee-eater	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2025)
131.	Lesser Spotted Woodpecker	0	0	0	0	1	0	2	0	0	0	3	0.3	0	2 (2023)
132.	Great Spotted Woodpecker	4	5	13	29	28	23	20	18	31	0	171	19	0	31 (2025)
133.	Black Woodpecker	0	0	0	0	0	0	0	0	2	0	2	0.2	0	2 (2025)
134.	Green Woodpecker	0	2	1	1	1	2	0	3	6	0	16	1.8	0	6 (2025)
135.	Kestrel	15	19	27	21	12	30	26	16	42	0	208	23	5	42 (2025)
136.	falcon sp.	0	0	0	0	1	0	1	0	2	0	4	0.4	0	2 (2025)
137.	Red-footed Falcon	0	0	1	0	1	1	0	4	4	0	11	1.2	0	4 (2024)
138.	Merlin	1	2	3	6	6	6	5	5	6	0	40	4.4	0	6 (2020)
139.	Hobby	19	41	12	19	18	22	19	34	25	0	209	23	6	41 (2018)
140.	Peregrine	10	12	18	39	15	25	15	16	28	0	178	20	0	39 (2020)
141.	Alexandrine Parakeet	0	0	0	18	69	268	78	242	170	0	845	94	0	268 (2022)
142.	Rose-ringed Parakeet	71	179	124	1206	990	442	323	1030	657	0	5022	558	0	1206 (2020)
143.	Golden Oriole	0	0	0	1	0	0	1	0	1	0	3	0.3	0	1 (2020)
144.	Jay	1	6	1161	62	132	40	23	19	7	0	1451	161	0	1161 (2019)
145.	Magpie	9	11	31	18	19	33	27	21	23	0	192	21	0	33 (2022)
146.	Jackdaw	1569	1278	1456	4708	5273	5903	5739	6369	7201	0	39496	4388	0	7201 (2025)
147.	Rook	16	26	23	24	53	42	70	62	59	0	375	42	0	70 (2023)
148.	Carrion Crow	8	9	7	153	122	23	14	36	31	0	403	45	0	153 (2020)
149.	Raven	8	3	12	52	58	20	18	57	55	0	283	31	0	58 (2021)
150.	Waxwing	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
151.	Coal Tit	4	0	0	0	0	0	1	0	0	0	5	0.6	0	4 (2017)
152.	Blue Tit	12	35	17	30	105	152	88	78	276	0	793	88	0	276 (2025)
153.	Great Tit	14	8	6	19	27	29	31	35	94	0	263	29	0	94 (2025)
154.	Parus (tit) sp.	0	0	0	0	0	0	0	0	2	0	2	0.2	0	2 (2025)
155.	Penduline Tit	0	1	0	0	0	0	0	0	0	0	1	0.1	0	1 (2018)
156.	Wood Lark	0	6	1	6	4	12	7	16	9	0	61	6.8	0	16 (2024)
157.	Skylark	1405	7455	4252	1527	2673	6686	3617	7380	3013	0	38008	4223	0	7455 (2018)
158.	Short-toed Lark	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2020)
159.	Sand Martin	0	29	49	81	138	54	83	40	363	0	837	93	0	363 (2025)
160.	Swallow	441	807	1281	1530	3031	2772	2301	3616	4519	0	20298	2255	2	4519 (2025)
161.	House Martin	50	45	94	121	157	47	126	244	275	0	1159	129	0	275 (2025)
162.	Long-tailed Tit	7	33	11	13	8	82	8	20	50	0	232	26	0	82 (2022)
163.	Northern Long-tailed Tit	0	0	0	0	0	0	0	0	9	0	9	1	0	9 (2025)
164.	Yellow-browed Warbler	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2023)
165.	Willow Warbler	0	0	0	2	1	1	1	2	0	0	7	0.8	0	2 (2020)
166.	Chiffchaff	2	0	2	11	21	9	11	13	22	0	91	10.1	0	22 (2025)
167.	Chiffchaff/Willow Warbler	0	0	0	0	1	0	0	0	1	0	2	0.2	0	1 (2021)
168.	Sedge Warbler	0	0	0	0	0	1	1	0	0	0	2	0.2	0	1 (2022)
169.	Reed Warbler	0	0	0	2	1	0	0	0	1	0	4	0.4	0	2 (2020)
170.	Icterine Warbler	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2024)
171.	Zitting Cisticola	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2024)
172.	Blackcap	0	0	0	0	1	0	0	0	1	0	2	0.2	0	1 (2021)
173.	Garden Warbler	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2021)
174.	Lesser Whitethroat	0	0	0	1	0	1	0	0	0	0	2	0.2	0	1 (2020)
175.	Whitethroat	0	0	0	1	1	0	0	0	0	0	2	0.2	0	1 (2020)
176.	Regulus sp.	0	0	0	0	0	0	0	0	2	0	2	0.2	0	2 (2025)
177.	Firecrest	0	1	0	0	0	0	0	0	1	0	2	0.2	0	1 (2018)
178.	Goldcrest	0	1	0	1	0	1	0	1	3	0	7	0.8	0	3 (2025)
179.	Wren	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2020)
180.	Nuthatch	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2020)
181.	Short-toed Tree Creeper	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2020)
182.	Starling	18484	6957	8479	57104	52645	44868	322930	65267	43033	0	619767	68863	0	322930 (2023)
183.	Song Thrush	17	247	339	77	88	283	190	149	127	0	1517	169	0	339 (2019)
184.	Mistle Thrush	0	10	5	13	6	14	17	3	30	0	98	10.9	0	30 (2025)
185.	Redwing	51	526	149	3970	800	2859	1920	4738	1992	0	17005	1889	0	4738 (2024)
186.	Blackbird	2	2	12	69	7	15	5	6	13	0	131	15	0	69 (2020)
187.	Fieldfare	16	3038	364	8283	721	1586	2951	531	3568	0	21058	2340	0	8283 (2020)
188.	Ring Ouzel	0	0	3	4	18	7	5	13	2	0	52	5.8	0	18 (2021)
189.	thrush sp.	0	0	1	25	0	17	728	0	5	0	776	86	0	728 (2023)
190.	Spotted Flycatcher	0	1	0	1	3	2	0	1	2	0	10	1.1	0	3 (2021)
191.	Robin	0	0	0	2	0	3	0	0	1	0	6	0.7	0	3 (2022)
192.	White-spotted Bluethroat	0	0	0	1	1	0	0	0	0	0	2	0.2	0	1 (2020)
193.	Black Redstart	0	0	0	0	0	1	0	0	3	0	4	0.4	0	3 (2025)
194.	Redstart	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2024)
195.	Whinchat	0	4	4	26	16	26	8	6	16	0	106	12	0	26 (2020)
196.	Stonechat	0	0	1	5	1	0	3	0	2	0	12	1.3	0	5 (2020)
197.	Wheatear	0	3	2	19	7	13	54	36	25	0	159	18	0	54 (2023)
198.	Tree Sparrow	55	15	72	115	58	38	29	8	15	0	405	45	3	115 (2020)
199.	sparrow sp.	0	0	0	0	0	0	0	2	0	0	2	0.2	0	2 (2024)
200.	House Sparrow	4	3	41	11	109	9	31	13	13	0	234	26	0	109 (2021)
	Species	2017	2018	2019	2020	2021	2022	2023	2024	2025	2026	Totals	Average	Present	Year Maximum
201.	Dunnock	2	1	1	7	1	5	6	5	5	0	33	3.7	0	7 (2020)
202.	Blue-headed Wagtail	70	261	145	211	414	154	865	277	620	0	3017	335	1	865 (2023)
203.	Yellow Wagtail (flavissima)	0	1	0	2	2	1	0	1	2	0	9	1	0	2 (2020)
204.	Grey-headed Wagtail	0	0	0	0	1	1	1	0	4	0	7	0.8	0	4 (2025)
205.	Yellow wagtail sp.	0	0	0	0	0	0	0	4	6	0	10	1.1	0	6 (2025)
206.	Grey Wagtail	22	38	24	57	27	34	43	87	83	0	415	46	1	87 (2024)
207.	White Wagtail	105	86	154	359	326	209	242	337	378	0	2196	244	0	378 (2025)
208.	Pied Wagtail	0	0	0	0	3	1	1	2	2	0	9	1	0	3 (2021)
209.	Richard's Pipit	0	0	1	0	0	0	1	0	0	0	2	0.2	0	1 (2019)
210.	Tawny Pipit	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2020)
211.	Meadow Pipit	5182	7961	6066	4633	10702	5249	5860	4283	5054	0	54990	6110	0	10702 (2021)
212.	Tree Pipit	7	5	19	23	8	9	7	21	9	0	108	12	0	23 (2020)
213.	Red-throated Pipit	1	0	0	1	0	0	0	0	0	0	2	0.2	0	1 (2017)
214.	Water Pipit	0	7	3	18	9	2	3	4	2	0	48	5.3	0	18 (2020)
215.	pipit sp.	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2024)
216.	Chaffinch	5540	5118	18518	4659	8265	6148	3733	3993	5902	0	61876	6875	2	18518 (2019)
217.	Brambling	26	53	19	50	271	158	127	68	38	0	810	90	0	271 (2021)
218.	finch sp.	0	0	0	0	0	5	0	0	0	0	5	0.6	0	5 (2022)
219.	Chaffinch/Brambling	0	0	0	0	118	99	7	74	1	0	299	33	0	118 (2021)
220.	Hawfinch	4	1	0	2	3	4	6	11	3	0	34	3.8	0	11 (2024)
221.	Bullfinch	2	2	0	0	3	0	3	2	1	0	13	1.4	0	3 (2021)
222.	Greenfinch	66	66	28	93	148	79	50	87	81	0	698	78	0	148 (2021)
223.	Linnet	133	247	242	197	189	411	146	123	154	0	1842	205	0	411 (2022)
224.	Mealy Redpoll	0	1	0	1	0	0	18	3	0	0	23	2.6	0	18 (2023)
225.	Lesser Redpoll	0	0	3	3	0	0	5	4	17	0	32	3.6	0	17 (2025)
226.	Redpoll	0	4	0	1	0	19	86	25	0	0	135	15	0	86 (2023)
227.	Crossbill	2	1	5	1	19	1	16	2	0	0	47	5.2	0	19 (2021)
228.	Goldfinch	97	67	107	213	153	393	119	163	160	0	1472	164	0	393 (2022)
229.	Siskin	23	63	737	105	533	199	481	353	118	0	2612	290	0	737 (2019)
230.	Lapland Bunting	1	0	0	0	0	1	0	0	0	0	2	0.2	0	1 (2017)
231.	Snow Bunting	0	0	0	0	0	1	0	0	0	0	1	0.1	0	1 (2022)
232.	Corn Bunting	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2020)
233.	Yellowhammer	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2019)
234.	Ortolan Bunting	0	0	0	0	1	0	1	0	0	0	2	0.2	0	1 (2021)
235.	Reed Bunting	57	141	94	96	128	110	94	120	55	0	895	99	0	141 (2018)
236.	Species unidentified	0	0	0	22	5	1	0	8	1	0	37	4.1	0	22 (2020)
237.	passerine sp.	0	0	0	0	0	6	9	7	11	0	33	3.7	0	11 (2025)
	Other species
1.	Common Noctule	5	0	0	0	0	0	0	1	3	0	9	1	0	5 (2017)
2.	Common Pipistrelle	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2024)
	Other species
1.	Small Tortoiseshell	0	0	2	5	10	4	3	3	7	0	34	3.8	0	10 (2021)
2.	Silver Y	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2020)
3.	Dark Clouded Yellow	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2025)
4.	Brimstone	1	0	0	4	0	0	0	2	2	0	9	1	0	4 (2020)
5.	European Peacock	3	2	4	19	9	2	30	284	24	0	377	42	0	284 (2024)
6.	Large Tortoiseshell	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2020)
7.	Swallowtail	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2023)
8.	Speckled Wood	3	2	1	1	1	3	0	2	2	0	15	1.7	0	3 (2017)
9.	Large White	1	0	0	6	1	2	0	1	8	0	19	2.1	0	8 (2025)
10.	Green-veined White	0	0	1	2	2	1	2	1	8	0	17	1.9	0	8 (2025)
11.	Small White	0	0	0	3	4	0	2	8	7	0	24	2.7	0	8 (2024)
	Species	2017	2018	2019	2020	2021	2022	2023	2024	2025	2026	Totals	Average	Present	Year Maximum
12.	white sp. (butterfly)	0	0	0	0	0	19	2	0	6	0	27	3	0	19 (2022)
13.	Comma	0	0	1	1	0	0	1	0	1	0	4	0.4	0	1 (2019)
14.	Red Admiral	2	5	4	15	18	13	13	91	30	0	191	21	0	91 (2024)
15.	Painted Lady	0	0	2	0	1	0	0	1	1	0	5	0.6	0	2 (2019)
16.	Small Heath	0	0	0	0	0	1	0	0	0	0	1	0.1	0	1 (2022)
	Other species
1.	Emperor Dragonfly	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2025)
2.	Darter unknown	0	0	0	0	1	0	1	66	2	0	70	7.8	0	66 (2024)
3.	Migrant Hawker	0	0	0	1	2	0	0	1	0	0	4	0.4	0	2 (2021)
4.	Hairy Dragonfly	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2024)
	Other species
1.	Bumblebee sp.	0	0	0	1	5	0	3	0	17	0	26	2.9	0	17 (2025)
	Species	2017	2018	2019	2020	2021	2022	2023	2024	2025	2026	Totals	Average	Present	Year Maximum
	Totals	42453	65027	82236	197005	184081	166461	444530	216196	212551	0	1610540	178949	357
	Observation hours	64:06	148:55	147:54	353:05	311:17	259:13	266:33	340:57	341:21		2,233:21	248:09

Trektellen

Totals Aetsveldsche polder, Nigtevecht 2017 - 2026