Select until 13 March

Totals Aetsveldsche polder, Nigtevecht 2016 - 2025

	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
1.	Dark-bellied Brent Goose	0	0	0	0	601	3	0	0	1	0	605	61	0	601 (2020)
2.	Canada Goose	104	22	49	123	235	186	160	567	297	9	1752	175	0	567 (2023)
3.	Canada X Greylag Goose	0	0	0	0	0	0	0	4	1	0	5	0.5	0	4 (2023)
4.	Barnacle Goose	68	118	1990	2508	9056	15188	6337	7712	7617	2588	53182	5318	0	15188 (2021)
5.	Branta leucopsis x ?	0	0	0	0	0	1	0	0	0	0	1	0.1	0	1 (2021)
6.	Lesser Canada Goose	0	0	0	0	3	2	3	1	1	0	10	1	0	3 (2020)
7.	Bar-headed Goose	0	2	0	0	0	0	0	1	1	0	4	0.4	0	2 (2017)
8.	Snow Goose	0	0	0	0	0	2	0	0	0	0	2	0.2	0	2 (2021)
9.	Greylag Goose	3973	1756	7722	4019	11102	8046	9098	9341	18322	366	73745	7375	0	18322 (2024)
10.	Anser sp.	0	0	0	0	0	0	82	0	69	0	151	15	0	82 (2022)
11.	goose sp.	0	0	256	0	118	290	306	407	225	286	1888	189	0	407 (2023)
12.	Domestic Goose	0	0	5	3	5	5	8	5	14	0	45	4.5	0	14 (2024)
13.	Feral Mallard	0	0	1	0	0	0	0	11	10	0	22	2.2	0	11 (2023)
14.	Pink-footed Goose	0	0	11	79	540	68	71	170	37	4	980	98	0	540 (2020)
15.	Tundra Bean Goose	14	11	40	64	243	295	336	244	336	91	1674	167	0	336 (2022)
16.	Eurasian White-fronted Goose	5	407	9549	17501	44977	31787	26904	34139	37175	14191	216635	21664	0	44977 (2020)
17.	Black Swan	0	0	0	0	4	0	1	0	0	0	5	0.5	0	4 (2020)
18.	Mute Swan	3	106	141	190	308	369	277	614	261	33	2302	230	0	614 (2023)
19.	Bewick's Swan	0	0	4	32	28	79	8	0	15	0	166	17	0	79 (2021)
20.	Whooper Swan	0	1	10	16	2	11	14	14	6	0	74	7.4	0	16 (2019)
21.	Egyptian Goose	131	77	291	257	802	918	551	834	1146	31	5038	504	0	1146 (2024)
22.	Shelduck	5	6	37	69	82	165	112	116	157	3	752	75	0	165 (2021)
23.	Ruddy Shelduck	0	0	0	0	3	0	1	6	5	0	15	1.5	0	6 (2023)
24.	Garganey	0	0	0	0	1	0	1	4	0	0	6	0.6	0	4 (2023)
25.	Shoveler	0	11	9	13	225	12	64	60	55	0	449	45	0	225 (2020)
26.	Gadwall	65	185	376	492	918	792	992	759	613	28	5220	522	0	992 (2022)
27.	Wigeon	328	173	9586	994	3167	3287	6542	9906	7136	535	41654	4165	0	9906 (2023)
28.	Mallard	44	57	84	75	146	199	198	269	328	4	1404	140	0	328 (2024)
29.	Pintail	5	7	19	2	115	89	24	75	119	0	455	46	0	119 (2024)
30.	Teal	0	1	14	0	16	9	9	31	23	0	103	10	0	31 (2023)
31.	dabbling duck sp.	0	0	0	0	0	2	0	0	0	0	2	0.2	0	2 (2021)
32.	duck sp.	0	0	0	0	25	79	104	116	187	0	511	51	0	187 (2024)
33.	Garganey/Teal	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2018)
34.	Red-crested Pochard	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2020)
35.	Pochard	4	0	0	9	14	11	0	9	0	0	47	4.7	0	14 (2020)
36.	Tufted Duck	0	57	3	4	8	11	10	28	83	0	204	20	0	83 (2024)
37.	Goldeneye	0	0	0	0	0	11	0	5	0	0	16	1.6	0	11 (2021)
38.	Goosander	0	0	1	0	0	5	3	4	4	1	18	1.8	0	5 (2021)
39.	Red-breasted Merganser	0	0	2	0	0	0	6	0	0	0	8	0.8	0	6 (2022)
40.	Mergus sp.	0	0	0	0	0	0	2	0	0	0	2	0.2	0	2 (2022)
41.	Swift	1	74	26	52	201	385	116	255	204	0	1314	131	0	385 (2021)
42.	Cuckoo	1	0	0	1	6	4	2	1	6	0	21	2.1	0	6 (2020)
43.	Feral Pigeon	0	0	2	11	636	593	331	339	88	19	2019	202	0	636 (2020)
44.	Stock Dove	17	22	134	95	286	206	415	351	385	11	1922	192	17	415 (2022)
45.	Woodpigeon	50	550	1298	3184	3522	5874	2550	3062	5004	231	25325	2533	0	5874 (2021)
46.	dove (Columba) sp.	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2024)
47.	Turtle Dove	0	0	1	0	1	0	0	0	0	0	2	0.2	0	1 (2018)
48.	Collared Dove	2	1	3	6	8	36	19	21	11	0	107	11	0	36 (2021)
49.	Coot	0	0	0	0	0	1	1	1	1	0	4	0.4	0	1 (2021)
50.	Crane	0	1	1	0	8	1	91	1	73	0	176	18	0	91 (2022)
	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
51.	Great Crested Grebe	0	0	0	1	1	4	2	6	8	0	22	2.2	0	8 (2024)
52.	Greater Flamingo	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2023)
53.	Oystercatcher	0	1	38	41	124	110	43	70	149	3	579	58	0	149 (2024)
54.	Avocet	0	0	0	0	0	2	0	0	0	0	2	0.2	0	2 (2021)
55.	Grey Plover	0	0	1	0	5	5	0	3	3	0	17	1.7	0	5 (2020)
56.	Golden Plover	262	782	1721	837	1750	1733	2559	1464	3291	52	14451	1445	420	3291 (2024)
57.	Dotterel	0	0	0	0	4	2	2	2	2	0	12	1.2	0	4 (2020)
58.	Ringed Plover	0	0	0	0	4	11	4	27	1	0	47	4.7	0	27 (2023)
59.	Little Ringed Plover	0	0	1	1	4	8	8	1	2	0	25	2.5	0	8 (2021)
60.	Lapwing	305	1063	6043	2534	7458	11216	13133	5604	15547	465	63368	6337	0	15547 (2024)
61.	Whimbrel	1	11	3	92	272	566	118	65	342	0	1470	147	0	566 (2021)
62.	Curlew	56	30	52	43	46	126	127	131	87	0	698	70	7	131 (2023)
63.	Numenius sp.	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2024)
64.	Bar-tailed Godwit	0	15	0	0	1	1	0	0	2	0	19	1.9	0	15 (2017)
65.	Black-tailed Godwit	0	2	28	18	292	178	153	26	158	0	855	86	0	292 (2020)
66.	Jack Snipe	1	0	0	0	2	1	1	2	3	0	10	1	0	3 (2024)
67.	Woodcock	0	0	0	0	2	0	0	1	0	0	3	0.3	0	2 (2020)
68.	Snipe	187	159	243	230	938	396	933	1106	724	0	4916	492	0	1106 (2023)
69.	Common Sandpiper	0	1	2	1	11	6	2	13	6	0	42	4.2	0	13 (2023)
70.	Green Sandpiper	0	4	7	20	62	50	26	45	50	0	264	26	0	62 (2020)
71.	Wood Sandpiper	1	1	0	5	1	23	1	71	1	0	104	10	0	71 (2023)
72.	Redshank	2	1	18	7	25	25	39	13	16	0	146	15	0	39 (2022)
73.	Spotted Redshank	0	0	2	0	2	0	0	0	0	0	4	0.4	0	2 (2018)
74.	Greenshank	0	3	0	1	7	5	4	12	8	0	40	4	0	12 (2023)
75.	Turnstone	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2022)
76.	Knot	0	0	0	0	0	0	0	18	0	0	18	1.8	0	18 (2023)
77.	Ruff	0	10	8	0	8	99	192	46	42	0	405	41	0	192 (2022)
78.	wader sp.	0	0	3	2	0	16	6	22	3	0	52	5.2	0	22 (2023)
79.	Dunlin	0	0	0	0	0	1	11	5	47	0	64	6.4	0	47 (2024)
80.	Gull-billed Tern	0	1	1	0	1	0	0	0	0	0	3	0.3	0	1 (2017)
81.	Caspian Tern	1	0	0	0	0	0	2	0	3	0	6	0.6	0	3 (2024)
82.	Black Tern	0	0	13	54	19	151	0	32	0	0	269	27	0	151 (2021)
83.	Arctic Tern	0	0	0	0	2	0	0	0	0	0	2	0.2	0	2 (2020)
84.	Common Tern	1	0	9	15	25	30	13	15	14	0	122	12	0	30 (2021)
85.	sterna sp.	0	0	0	0	0	0	0	2	0	0	2	0.2	0	2 (2023)
86.	Little Gull	0	0	0	0	7	78	2	0	6	0	93	9.3	0	78 (2021)
87.	Black-headed Gull	463	715	1149	1414	6743	4832	3784	3885	7501	28	30514	3051	0	7501 (2024)
88.	Mediterranean Gull	0	9	32	46	159	108	68	150	66	0	638	64	2	159 (2020)
89.	Common Gull	28	37	149	108	328	315	812	1270	1034	106	4187	419	0	1270 (2023)
90.	Caspian Gull	0	0	24	4	21	12	31	33	23	8	156	16	0	33 (2023)
91.	Herring Gull	3	15	21	32	73	101	90	96	77	6	514	51	0	101 (2021)
92.	Yellow-legged Gull	1	0	0	0	2	0	1	0	1	0	5	0.5	0	2 (2020)
93.	Great Black-backed Gull	4	1	9	6	10	22	6	4	9	5	76	7.6	0	22 (2021)
94.	Lesser Black-backed Gull	32	52	112	139	410	622	239	411	483	0	2500	250	0	622 (2021)
95.	Laridae sp.	0	0	0	0	52	0	100	0	0	0	152	15	0	100 (2022)
96.	large gull sp.	0	0	0	2	0	6	20	0	0	0	28	2.8	0	20 (2022)
97.	diver sp.	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2022)
98.	Black Stork	0	1	0	0	1	0	1	0	1	0	4	0.4	0	1 (2017)
99.	White Stork	24	34	74	77	120	121	107	77	123	0	757	76	4	123 (2024)
100.	Cormorant	782	1926	2275	1440	7832	4086	6675	5415	4346	35	34812	3481	0	7832 (2020)
	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
101.	Glossy Ibis	0	0	2	0	0	0	2	0	0	0	4	0.4	0	2 (2018)
102.	Spoonbill	11	8	36	36	97	230	526	185	174	0	1303	130	2	526 (2022)
103.	Bittern	0	1	0	0	0	0	0	0	0	0	1	0.1	0	1 (2017)
104.	Little Egret	0	0	1	0	1	3	4	0	18	0	27	2.7	0	18 (2024)
105.	Cattle Egret	0	0	0	1	0	4	2	23	0	0	30	3	0	23 (2023)
106.	Great White Egret	21	53	178	217	277	167	231	263	314	2	1723	172	3	314 (2024)
107.	heron sp.	0	0	0	0	0	8	0	2	0	0	10	1	0	8 (2021)
108.	Grey Heron	26	15	66	95	247	119	160	338	112	0	1178	118	0	338 (2023)
109.	Purple Heron	2	5	22	29	83	78	41	52	70	0	382	38	0	83 (2020)
110.	Osprey	5	5	6	3	12	2	6	7	6	0	52	5.2	0	12 (2020)
111.	Honey Buzzard	0	2	5	5	2	5	4	0	0	0	23	2.3	0	5 (2018)
112.	Sparrowhawk	21	50	105	80	179	134	182	102	179	2	1034	103	0	182 (2022)
113.	Goshawk	5	2	12	11	21	24	17	10	15	0	117	12	0	24 (2021)
114.	Marsh Harrier	30	19	55	68	167	144	114	188	192	0	977	98	0	192 (2024)
115.	Hen Harrier	0	4	8	8	18	12	11	11	11	1	84	8.4	0	18 (2020)
116.	Pallid Harrier	0	0	0	0	1	0	0	0	2	0	3	0.3	0	2 (2024)
117.	Montagu's Harrier	0	1	0	0	1	0	0	1	0	0	3	0.3	0	1 (2017)
118.	harrier sp.	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2024)
119.	Montagu's/Pallid Harrier	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2020)
120.	Hen/Montagu's/Pallid Harrier	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2020)
121.	Red Kite	0	0	15	1	8	3	3	2	5	0	37	3.7	0	15 (2018)
122.	Black Kite	0	1	5	4	3	1	0	2	0	0	16	1.6	0	5 (2018)
123.	White-tailed Eagle	0	1	9	2	3	6	31	16	22	1	91	9.1	0	31 (2022)
124.	Rough-legged Buzzard	0	0	1	0	0	0	1	0	0	0	2	0.2	0	1 (2018)
125.	Common Buzzard	55	117	286	449	1393	217	244	180	192	1	3134	313	1	1393 (2020)
126.	raptor sp.	0	0	0	0	0	2	0	0	0	0	2	0.2	0	2 (2021)
127.	Long-eared Owl	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2023)
128.	Short-eared Owl	0	0	1	1	2	0	1	1	1	0	7	0.7	0	2 (2020)
129.	Kingfisher	0	0	1	1	3	0	2	3	4	0	14	1.4	0	4 (2024)
130.	Lesser Spotted Woodpecker	0	0	0	0	0	1	0	2	0	0	3	0.3	0	2 (2023)
131.	Great Spotted Woodpecker	2	4	6	13	29	28	23	20	18	0	143	14	0	29 (2020)
132.	Green Woodpecker	0	0	2	1	1	1	2	0	3	0	10	1	0	3 (2024)
133.	Kestrel	8	15	19	27	21	12	30	26	16	0	174	17	5	30 (2022)
134.	falcon sp.	1	0	0	0	0	1	0	1	0	0	3	0.3	0	1 (2016)
135.	Red-footed Falcon	0	0	0	1	0	1	1	0	4	0	7	0.7	0	4 (2024)
136.	Merlin	1	1	3	3	6	6	6	5	5	0	36	3.6	0	6 (2020)
137.	Hobby	12	19	41	12	19	18	22	19	34	0	196	20	6	41 (2018)
138.	Peregrine	9	10	14	18	39	15	25	15	16	0	161	16	0	39 (2020)
139.	Alexandrine Parakeet	0	0	0	0	18	69	268	78	242	0	675	68	0	268 (2022)
140.	Rose-ringed Parakeet	83	71	228	124	1206	990	442	323	1030	42	4539	454	0	1206 (2020)
141.	Golden Oriole	0	0	0	0	1	0	0	1	0	0	2	0.2	0	1 (2020)
142.	Jay	0	1	6	1161	62	132	40	23	19	0	1444	144	0	1161 (2019)
143.	Magpie	3	9	15	31	18	19	33	27	21	0	176	18	0	33 (2022)
144.	Jackdaw	930	1569	1525	1456	4708	5273	5903	5739	6369	53	33525	3353	0	6369 (2024)
145.	Rook	9	16	29	23	24	53	42	70	62	1	329	33	0	70 (2023)
146.	Carrion Crow	5	8	9	7	153	122	23	14	36	0	377	38	0	153 (2020)
147.	Raven	1	8	3	12	52	58	20	18	57	0	229	23	0	58 (2021)
148.	Waxwing	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2020)
149.	Coal Tit	0	4	0	0	0	0	0	1	0	0	5	0.5	0	4 (2017)
150.	Blue Tit	0	12	41	17	30	105	152	88	78	0	523	52	0	152 (2022)
	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
151.	Great Tit	1	14	13	6	19	27	29	31	35	2	177	18	0	35 (2024)
152.	Penduline Tit	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2018)
153.	Wood Lark	0	0	6	1	6	4	12	7	16	0	52	5.2	0	16 (2024)
154.	Skylark	5	1405	7509	4252	1527	2673	6686	3617	7380	10	35064	3506	0	7509 (2018)
155.	Short-toed Lark	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2020)
156.	Sand Martin	17	0	30	49	81	138	54	83	40	0	492	49	0	138 (2021)
157.	Swallow	523	441	807	1281	1530	3031	2772	2301	3616	0	16302	1630	2	3616 (2024)
158.	House Martin	2	50	45	94	121	157	47	126	244	0	886	89	0	244 (2024)
159.	Long-tailed Tit	0	7	22	11	13	8	82	8	20	0	171	17	0	82 (2022)
160.	Yellow-browed Warbler	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2023)
161.	Willow Warbler	1	0	0	0	2	1	1	1	2	0	8	0.8	0	2 (2020)
162.	Chiffchaff	1	2	0	2	11	21	9	11	13	0	70	7	0	21 (2021)
163.	Chiffchaff/Willow Warbler	0	0	0	0	0	1	0	0	0	0	1	0.1	0	1 (2021)
164.	Sedge Warbler	0	0	0	0	0	0	1	1	0	0	2	0.2	0	1 (2022)
165.	Reed Warbler	0	0	0	0	2	1	0	0	0	0	3	0.3	0	2 (2020)
166.	Icterine Warbler	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2024)
167.	Zitting Cisticola	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2024)
168.	Blackcap	0	0	0	0	0	1	0	0	0	0	1	0.1	0	1 (2021)
169.	Garden Warbler	0	0	0	0	0	1	0	0	0	0	1	0.1	0	1 (2021)
170.	Lesser Whitethroat	0	0	0	0	1	0	1	0	0	0	2	0.2	0	1 (2020)
171.	Whitethroat	0	0	0	0	1	1	0	0	0	0	2	0.2	0	1 (2020)
172.	Firecrest	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2018)
173.	Goldcrest	0	0	1	0	1	0	1	0	1	0	4	0.4	0	1 (2018)
174.	Wren	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2020)
175.	Nuthatch	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2020)
176.	Short-toed Tree Creeper	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2020)
177.	Starling	1725	18484	8602	8479	57104	52645	44868	322930	65267	3220	583324	58332	0	322930 (2023)
178.	Song Thrush	3	17	247	339	77	88	283	190	149	1	1394	139	0	339 (2019)
179.	Mistle Thrush	1	0	10	5	13	6	14	17	3	0	69	6.9	0	17 (2023)
180.	Redwing	0	51	530	149	3970	800	2859	1920	4738	0	15017	1502	0	4738 (2024)
181.	Blackbird	0	2	2	12	69	7	15	5	6	0	118	12	0	69 (2020)
182.	Fieldfare	1	16	3039	364	8283	721	1586	2951	531	11	17503	1750	0	8283 (2020)
183.	Ring Ouzel	0	0	0	3	4	18	7	5	13	0	50	5	0	18 (2021)
184.	thrush sp.	0	0	0	1	25	0	17	728	0	1	772	77	0	728 (2023)
185.	Spotted Flycatcher	0	0	1	0	1	3	2	0	1	0	8	0.8	0	3 (2021)
186.	Robin	0	0	0	0	2	0	3	0	0	0	5	0.5	0	3 (2022)
187.	White-spotted Bluethroat	0	0	0	0	1	1	0	0	0	0	2	0.2	0	1 (2020)
188.	Black Redstart	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2022)
189.	Redstart	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2024)
190.	Whinchat	1	0	4	4	26	16	26	8	6	0	91	9.1	0	26 (2020)
191.	Stonechat	0	0	0	1	5	1	0	3	0	0	10	1	0	5 (2020)
192.	Wheatear	0	0	3	2	19	7	13	54	36	0	134	13	0	54 (2023)
193.	Tree Sparrow	19	55	16	72	115	58	38	29	8	0	410	41	8	115 (2020)
194.	sparrow sp.	0	0	0	0	0	0	0	0	2	0	2	0.2	0	2 (2024)
195.	House Sparrow	0	4	5	41	11	109	9	31	13	0	223	22	0	109 (2021)
196.	Dunnock	0	2	1	1	7	1	5	6	5	0	28	2.8	0	7 (2020)
197.	Blue-headed Wagtail	79	70	261	145	211	414	154	865	277	0	2476	248	1	865 (2023)
198.	Yellow Wagtail (flavissima)	0	0	1	0	2	2	1	0	1	0	7	0.7	0	2 (2020)
199.	Grey-headed Wagtail	0	0	0	0	0	1	1	1	0	0	3	0.3	0	1 (2021)
200.	Yellow wagtail sp.	0	0	0	0	0	0	0	0	4	0	4	0.4	0	4 (2024)
	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
201.	Grey Wagtail	9	22	41	24	57	27	34	43	87	0	344	34	1	87 (2024)
202.	White Wagtail	40	105	127	154	359	326	209	242	337	2	1901	190	0	359 (2020)
203.	Pied Wagtail	0	0	0	0	0	3	1	1	2	0	7	0.7	0	3 (2021)
204.	Richard's Pipit	0	0	0	1	0	0	0	1	0	0	2	0.2	0	1 (2019)
205.	Tawny Pipit	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2020)
206.	Meadow Pipit	2986	5182	8002	6066	4633	10702	5249	5860	4283	6	52969	5297	0	10702 (2021)
207.	Tree Pipit	4	7	5	19	23	8	9	7	21	0	103	10	0	23 (2020)
208.	Red-throated Pipit	0	1	0	0	1	0	0	0	0	0	2	0.2	0	1 (2017)
209.	Water Pipit	1	0	7	3	18	9	2	3	4	0	47	4.7	0	18 (2020)
210.	pipit sp.	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2024)
211.	Chaffinch	241	5540	5209	18518	4659	8265	6148	3733	3993	5	56311	5631	2	18518 (2019)
212.	Brambling	1	26	53	19	50	271	158	127	68	0	773	77	0	271 (2021)
213.	finch sp.	0	0	0	0	0	0	5	0	0	0	5	0.5	0	5 (2022)
214.	Chaffinch/Brambling	0	0	1	0	0	118	99	7	74	0	299	30	0	118 (2021)
215.	Hawfinch	0	4	1	0	2	3	4	6	11	0	31	3.1	0	11 (2024)
216.	Bullfinch	1	2	2	0	0	3	0	3	2	0	13	1.3	0	3 (2021)
217.	Greenfinch	36	66	74	28	93	148	79	50	87	0	661	66	0	148 (2021)
218.	Linnet	25	133	247	242	197	189	411	146	123	0	1713	171	0	411 (2022)
219.	Mealy Redpoll	0	0	1	0	1	0	0	18	3	0	23	2.3	0	18 (2023)
220.	Lesser Redpoll	0	0	0	3	3	0	0	5	4	0	15	1.5	0	5 (2023)
221.	redpoll sp.	0	0	4	0	1	0	19	86	25	0	135	14	0	86 (2023)
222.	Crossbill	11	2	1	5	1	19	1	16	2	0	58	5.8	0	19 (2021)
223.	Goldfinch	45	97	80	107	213	153	393	119	163	5	1375	138	8	393 (2022)
224.	Siskin	2	23	63	737	105	533	199	481	353	0	2496	250	0	737 (2019)
225.	Lapland Bunting	0	1	0	0	0	0	1	0	0	0	2	0.2	0	1 (2017)
226.	Snow Bunting	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2022)
227.	Corn Bunting	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2020)
228.	Yellowhammer	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2019)
229.	Ortolan Bunting	0	0	0	0	0	1	0	1	0	0	2	0.2	0	1 (2021)
230.	Reed Bunting	31	57	148	94	96	128	110	94	120	0	878	88	0	148 (2018)
231.	Species unidentified	0	0	0	0	22	5	1	0	8	0	36	3.6	0	22 (2020)
232.	passerine sp.	0	0	0	0	0	0	6	9	7	0	22	2.2	0	9 (2023)
	Other species
1.	Common Noctule	0	5	0	0	0	0	0	0	1	0	6	0.6	0	5 (2017)
2.	Common Pipistrelle	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2024)
	Other species
1.	Small Tortoiseshell	1	0	2	2	5	10	4	3	3	0	30	3	0	10 (2021)
2.	Silver Y	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2020)
3.	Brimstone	0	1	0	0	4	0	0	0	2	0	7	0.7	0	4 (2020)
4.	European Peacock	4	3	3	4	19	9	2	30	284	0	358	36	0	284 (2024)
5.	Large Tortoiseshell	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2020)
6.	Swallowtail	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2023)
7.	Speckled Wood	1	3	2	1	1	1	3	0	2	0	14	1.4	0	3 (2017)
8.	Large White	1	1	0	0	6	1	2	0	1	0	12	1.2	0	6 (2020)
9.	Green-veined White	0	0	0	1	2	2	1	2	1	0	9	0.9	0	2 (2020)
10.	Small White	0	0	0	0	3	4	0	2	8	0	17	1.7	0	8 (2024)
11.	white sp. (butterfly)	0	0	0	0	0	0	19	2	0	0	21	2.1	0	19 (2022)
12.	Comma	0	0	0	1	1	0	0	1	0	0	3	0.3	0	1 (2019)
13.	Red Admiral	7	2	7	4	15	18	13	13	91	0	170	17	0	91 (2024)
14.	Painted Lady	0	0	0	2	0	1	0	0	1	0	4	0.4	0	2 (2019)
15.	Small Heath	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2022)
	Other species
1.	Darter unknown	0	0	0	0	0	1	0	1	66	0	68	6.8	0	66 (2024)
	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
2.	Migrant Hawker	0	0	0	0	1	2	0	0	1	0	4	0.4	0	2 (2021)
3.	Hairy Dragonfly	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2024)
	Other species
1.	Bumblebee sp.	0	0	3	0	1	5	0	3	0	0	12	1.2	0	5 (2021)
	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
	Totals	14040	42453	81699	82236	197005	184081	166461	444530	216196	22505	1451206	145121	489
	Observation hours	38:56	64:06	169:05	147:54	353:05	311:17	259:13	266:33	340:57	13:45	1,964:51	196:29

Trektellen

Totals Aetsveldsche polder, Nigtevecht 2016 - 2025