Totals Aetsveldsche polder, Nigtevecht 2023

Year
Period
count-field
Also present

	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Canada Goose	0	3	1	11	4	67	0	52	291	79	9	50	567	315	252	75 (22 Sep)	48	43	13 Feb	8 Dec
2.	Canada X Greylag Goose	0	0	0	0	0	1	0	0	0	1	0	2	4	3	1	1 (3 Jun)	4	4	3 Jun	2 Dec
3.	Barnacle Goose	154	208	446	172	4265	3	0	0	50	181	899	1334	7712	2714	4998	3611 (5 May)	47	42	21 Jan	15 Dec
4.	Lesser Canada Goose	0	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 (17 Sep)	1	1	17 Sep	17 Sep
5.	Bar-headed Goose	0	0	0	0	0	0	0	0	0	0	1	0	1	1	0	1 (16 Nov)	1	1	16 Nov	16 Nov
6.	Greylag Goose	27	117	81	199	837	236	143	437	3218	2861	812	373	9341	7400	1941	872 (8 Oct)	94	85	28 Jan	15 Dec
7.	goose sp.	0	0	0	0	0	4	0	0	1	225	105	72	407	403	4	106 (21 Oct)	10	9	4 Jun	2 Dec
8.	Domestic Goose	0	0	0	1	0	0	0	1	2	1	0	0	5	4	1	1 (15 Apr)	6	5	15 Apr	7 Oct
9.	Feral Mallard	0	0	0	0	0	1	0	0	2	3	0	5	11	10	1	5 (2 Dec)	6	5	4 Jun	2 Dec
10.	Pink-footed Goose	0	0	0	0	0	0	0	0	0	1	169	0	170	170	0	88 (16 Nov)	6	5	18 Oct	17 Nov
11.	Tundra Bean Goose	12	0	0	0	0	0	0	0	0	11	203	18	244	173	71	70 (26 Nov)	13	12	21 Jan	2 Dec
12.	Eurasian White-fronted Goose	1590	11273	1183	32	2	0	0	0	0	7190	9951	2918	34139	29289	4850	6066 (12 Feb)	39	35	21 Jan	15 Dec
13.	Mute Swan	0	10	29	103	131	16	0	9	113	150	53	0	614	331	283	45 (5 May)	66	59	12 Feb	23 Nov
14.	Whooper Swan	4	0	0	0	0	0	0	0	0	0	3	7	14	14	0	7 (1 Dec)	3	3	28 Jan	1 Dec
15.	Egyptian Goose	10	12	10	48	35	49	2	24	287	212	104	41	834	519	315	63 (6 Sep)	80	72	21 Jan	15 Dec
16.	Shelduck	5	1	4	34	24	10	0	4	5	19	10	0	116	45	71	12 (14 Oct)	37	33	21 Jan	17 Nov
17.	Ruddy Shelduck	0	0	0	0	1	5	0	0	0	0	0	0	6	5	1	4 (21 Jun)	3	3	21 May	22 Jun
18.	Garganey	0	0	0	0	0	0	0	3	1	0	0	0	4	1	3	3 (13 Aug)	2	2	13 Aug	24 Sep
19.	Shoveler	0	0	1	6	0	0	0	10	31	12	0	0	60	53	7	10 (7 Sep)	17	15	18 Mar	25 Oct
20.	Gadwall	1	4	3	36	17	63	0	88	336	171	20	20	759	675	84	60 (16 Sep)	62	56	21 Jan	8 Dec
21.	Wigeon	390	0	2	371	0	0	0	0	707	2334	5611	491	9906	3713	6193	2165 (26 Nov)	37	33	28 Jan	15 Dec
22.	Mallard	10	7	2	26	11	7	0	2	49	47	52	56	269	228	41	32 (15 Dec)	60	54	21 Jan	15 Dec
23.	Pintail	0	0	0	15	0	0	0	0	1	15	44	0	75	56	19	44 (16 Nov)	4	4	10 Apr	16 Nov
24.	Teal	0	0	0	0	0	0	0	5	22	4	0	0	31	31	0	10 (1 Sep)	10	9	5 Aug	18 Oct
25.	duck sp.	0	0	0	0	0	0	0	0	98	18	0	0	116	108	8	53 (16 Sep)	9	8	6 Sep	8 Oct
26.	Pochard	0	0	0	0	0	0	0	4	5	0	0	0	9	9	0	5 (15 Sep)	2	2	13 Aug	15 Sep
27.	Tufted Duck	0	0	0	11	6	10	0	0	1	0	0	0	28	12	16	6 (21 Apr)	12	11	21 Apr	10 Sep
28.	Goldeneye	0	0	0	0	0	0	0	0	0	0	5	0	5	0	5	5 (5 Nov)	1	1	5 Nov	5 Nov
29.	Goosander	0	0	0	0	0	0	0	0	0	0	1	3	4	1	3	3 (2 Dec)	2	2	16 Nov	2 Dec
30.	Swift	0	0	0	62	75	41	22	55	0	0	0	0	255	86	169	54 (5 Aug)	23	21	27 Apr	13 Aug
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
31.	Cuckoo	0	0	0	0	1	0	0	0	0	0	0	0	1	1	0	1 (27 May)	1	1	27 May	27 May
32.	Feral Pigeon	0	1	0	34	127	123	24	7	15	0	6	2	339	71	268	116 (6 May)	23	21	22 Feb	8 Dec
33.	Stock Dove	16	10	7	37	28	7	0	28	98	87	29	4	351	274	77	17 (16 Oct)	69	62	21 Jan	15 Dec
34.	Woodpigeon	26	86	212	458	86	40	6	21	208	1293	497	129	3062	2186	876	268 (18 Oct)	96	86	21 Jan	15 Dec
35.	Collared Dove	0	2	1	3	12	1	0	2	0	0	0	0	21	8	13	4 (3 May)	14	13	22 Feb	17 Aug
36.	Coot	0	0	0	1	0	0	0	0	0	0	0	0	1	0	1	1 (5 Apr)	1	1	5 Apr	5 Apr
37.	Crane	0	0	0	0	0	0	0	0	0	0	1	0	1	1	0	1 (17 Nov)	1	1	17 Nov	17 Nov
38.	Great Crested Grebe	0	0	0	0	4	0	0	1	1	0	0	0	6	1	5	3 (4 May)	4	4	4 May	1 Sep
39.	Greater Flamingo	0	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (14 Oct)	1	1	14 Oct	14 Oct
40.	Oystercatcher	0	0	4	23	30	13	0	0	0	0	0	0	70	12	58	20 (11 May)	19	17	18 Mar	26 Jun
41.	Grey Plover	0	0	0	0	3	0	0	0	0	0	0	0	3	0	3	3 (14 May)	1	1	14 May	14 May
42.	Golden Plover	0	10	22	55	0	0	1	104	736	419	109	8	1464	1368	96	132 (24 Sep)	54	49	22 Feb	15 Dec
43.	Dotterel	0	0	0	2	0	0	0	0	0	0	0	0	2	0	2	2 (15 Apr)	1	1	15 Apr	15 Apr
44.	Ringed Plover	0	0	0	0	24	0	0	0	3	0	0	0	27	3	24	24 (5 May)	3	3	5 May	16 Sep
45.	Little Ringed Plover	0	0	0	1	0	0	0	0	0	0	0	0	1	0	1	1 (9 Apr)	1	1	9 Apr	9 Apr
46.	Lapwing	38	93	43	19	36	513	135	16	1465	1340	1433	473	5604	5087	517	588 (16 Nov)	78	70	28 Jan	15 Dec
47.	Whimbrel	0	0	0	48	13	0	3	0	1	0	0	0	65	5	60	23 (30 Apr)	13	12	8 Apr	6 Sep
48.	Curlew	3	0	2	5	3	15	0	4	53	19	25	2	131	108	23	14 (5 Sep)	47	42	21 Jan	15 Dec
49.	Black-tailed Godwit	0	0	1	9	2	14	0	0	0	0	0	0	26	11	15	6 (15 Jun)	10	9	18 Mar	26 Jun
50.	Jack Snipe	0	0	0	0	0	0	0	0	2	0	0	0	2	2	0	1 (3 Sep)	2	2	3 Sep	8 Sep
51.	Woodcock	0	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (21 Oct)	1	1	21 Oct	21 Oct
52.	Snipe	0	0	0	0	0	0	25	58	479	520	24	0	1106	1106	0	132 (14 Oct)	47	42	29 Jul	18 Nov
53.	Common Sandpiper	0	0	0	0	10	0	1	1	1	0	0	0	13	3	10	9 (5 May)	6	5	5 May	9 Sep
54.	Green Sandpiper	2	0	0	26	0	0	0	6	0	5	5	1	45	18	27	17 (19 Apr)	20	18	21 Jan	15 Dec
55.	Wood Sandpiper	0	0	0	0	70	0	0	0	1	0	0	0	71	1	70	51 (5 May)	3	3	4 May	14 Sep
56.	Redshank	0	0	1	1	7	4	0	0	0	0	0	0	13	10	3	5 (5 May)	10	9	18 Mar	26 Jun
57.	Greenshank	0	0	0	3	5	0	0	1	1	1	1	0	12	4	8	3 (5 May)	10	9	19 Apr	23 Nov
58.	Knot	0	0	0	9	9	0	0	0	0	0	0	0	18	0	18	9 (30 Apr)	2	2	30 Apr	5 May
59.	Ruff	0	1	10	22	0	3	0	9	0	1	0	0	46	17	29	18 (8 Apr)	9	8	12 Feb	25 Oct
60.	wader sp.	0	0	0	0	21	1	0	0	0	0	0	0	22	0	22	21 (6 May)	2	2	6 May	3 Jun
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
61.	Dunlin	0	0	0	0	4	0	0	0	0	1	0	0	5	1	4	4 (5 May)	2	2	5 May	14 Oct
62.	Black Tern	0	0	0	0	30	0	0	2	0	0	0	0	32	32	0	30 (4 May)	2	2	4 May	5 Aug
63.	Common Tern	0	0	0	2	11	2	0	0	0	0	0	0	15	4	11	4 (14 May)	8	7	30 Apr	15 Jun
64.	sterna sp.	0	0	0	0	2	0	0	0	0	0	0	0	2	0	2	2 (3 May)	1	1	3 May	3 May
65.	Black-headed Gull	2	22	63	803	105	61	21	195	408	383	1678	144	3885	3021	864	1091 (17 Nov)	87	78	28 Jan	15 Dec
66.	Mediterranean Gull	0	2	3	136	7	2	0	0	0	0	0	0	150	93	57	75 (15 Apr)	18	16	21 Feb	21 Jun
67.	Common Gull	2	11	5	335	4	0	0	1	26	106	719	61	1270	1001	269	403 (17 Nov)	57	51	21 Jan	15 Dec
68.	Caspian Gull	1	3	0	2	8	3	0	0	2	8	3	3	33	25	8	3 (12 Feb)	28	25	28 Jan	15 Dec
69.	Herring Gull	0	15	1	10	2	4	1	3	15	19	20	6	96	71	25	14 (12 Feb)	47	42	12 Feb	15 Dec
70.	Great Black-backed Gull	0	0	0	0	0	0	0	0	0	1	1	2	4	1	3	1 (21 Oct)	4	4	21 Oct	15 Dec
71.	Lesser Black-backed Gull	0	2	6	55	110	33	0	32	78	73	15	7	411	254	157	50 (8 Oct)	72	65	12 Feb	15 Dec
72.	White Stork	0	0	3	10	8	7	0	12	11	26	0	0	77	51	26	22 (8 Oct)	23	21	18 Mar	14 Oct
73.	Cormorant	6	19	20	348	155	27	6	43	2509	2100	162	20	5415	4815	600	872 (8 Oct)	91	82	21 Jan	15 Dec
74.	Spoonbill	0	0	0	20	13	7	2	3	85	55	0	0	185	157	28	46 (24 Sep)	36	32	5 Apr	14 Oct
75.	Cattle Egret	0	0	0	0	0	0	0	0	18	5	0	0	23	6	17	17 (16 Sep)	3	3	7 Sep	16 Oct
76.	Great White Egret	0	7	2	9	7	4	1	11	88	122	9	3	263	213	50	64 (8 Oct)	57	51	12 Feb	1 Dec
77.	heron sp.	0	0	0	0	0	0	0	0	2	0	0	0	2	2	0	2 (8 Sep)	1	1	8 Sep	8 Sep
78.	Grey Heron	0	0	2	17	9	12	1	2	92	194	6	3	338	299	39	183 (8 Oct)	52	47	18 Mar	2 Dec
79.	Purple Heron	0	0	0	1	9	35	0	3	4	0	0	0	52	24	28	7 (21 Jun)	20	18	30 Apr	27 Sep
80.	Osprey	0	0	0	0	2	0	0	1	3	1	0	0	7	5	2	1 (3 May)	8	7	3 May	8 Oct
81.	Sparrowhawk	0	2	3	32	3	0	0	6	27	23	6	0	102	61	41	9 (24 Sep)	42	38	12 Feb	17 Nov
82.	Goshawk	1	0	2	0	1	0	0	1	1	3	1	0	10	6	4	2 (18 Mar)	10	9	28 Jan	5 Nov
83.	Marsh Harrier	0	0	0	23	33	2	1	17	75	32	5	0	188	133	55	22 (24 Sep)	47	42	5 Apr	16 Nov
84.	Hen Harrier	0	0	0	0	2	0	0	0	1	2	6	0	11	9	2	3 (16 Nov)	9	8	4 May	18 Nov
85.	Montagu's Harrier	0	0	0	0	0	0	0	0	1	0	0	0	1	0	1	1 (10 Sep)	1	1	10 Sep	10 Sep
86.	Red Kite	0	0	0	1	0	0	0	0	0	1	0	0	2	1	1	1 (30 Apr)	2	2	30 Apr	19 Oct
87.	Black Kite	0	0	0	1	0	0	0	0	0	1	0	0	2	1	1	1 (15 Apr)	2	2	15 Apr	18 Oct
88.	White-tailed Eagle	0	0	0	3	3	0	0	0	5	4	0	1	16	11	5	4 (8 Oct)	12	11	5 Apr	2 Dec
89.	Common Buzzard	0	0	2	43	24	0	0	18	37	55	1	0	180	111	69	24 (8 Oct)	32	29	18 Mar	5 Nov
90.	Long-eared Owl	0	0	0	0	0	0	0	0	0	1	0	0	1	0	1	1 (19 Oct)	1	1	19 Oct	19 Oct
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
91.	Short-eared Owl	0	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (12 Oct)	1	1	12 Oct	12 Oct
92.	Kingfisher	0	1	0	0	0	0	0	0	2	0	0	0	3	3	0	1 (22 Feb)	3	3	22 Feb	27 Sep
93.	Lesser Spotted Woodpecker	0	0	0	0	0	0	0	0	2	0	0	0	2	2	0	2 (16 Sep)	1	1	16 Sep	16 Sep
94.	Great Spotted Woodpecker	0	0	0	2	0	2	0	2	4	10	0	0	20	12	8	7 (7 Oct)	13	12	5 Apr	16 Oct
95.	Kestrel	0	0	0	1	11	0	1	1	6	6	0	0	26	14	12	4 (24 Sep)	17	15	27 Apr	19 Oct
96.	falcon sp.	0	0	0	0	0	0	0	1	0	0	0	0	1	1	0	1 (19 Aug)	1	1	19 Aug	19 Aug
97.	Merlin	0	0	0	0	1	0	0	0	2	2	0	0	5	4	1	1 (5 May)	6	5	5 May	14 Oct
98.	Hobby	0	0	0	12	6	0	0	1	0	0	0	0	19	1	18	10 (27 Apr)	7	6	27 Apr	13 Aug
99.	Peregrine	0	0	0	5	1	0	0	0	4	2	3	0	15	9	6	2 (8 Apr)	13	12	5 Apr	16 Nov
100.	Alexandrine Parakeet	0	0	0	0	0	9	0	0	0	55	14	0	78	65	13	46 (19 Oct)	8	7	4 Jun	26 Nov
101.	Rose-ringed Parakeet	2	29	4	20	21	14	3	24	46	102	45	13	323	277	46	41 (21 Oct)	58	52	21 Jan	15 Dec
102.	Golden Oriole	0	0	0	0	0	1	0	0	0	0	0	0	1	0	1	1 (4 Jun)	1	1	4 Jun	4 Jun
103.	Jay	0	0	1	3	0	2	0	0	9	8	0	0	23	15	8	5 (8 Oct)	12	11	18 Mar	8 Oct
104.	Magpie	0	0	1	4	4	3	0	2	12	0	1	0	27	12	15	8 (6 Sep)	16	14	18 Mar	17 Nov
105.	Jackdaw	12	44	43	111	146	69	0	745	2164	2020	337	48	5739	4507	1232	552 (14 Oct)	93	84	21 Jan	15 Dec
106.	Rook	0	1	0	0	15	5	0	2	26	13	5	3	70	37	33	6 (24 Sep)	27	24	22 Feb	1 Dec
107.	Carrion Crow	0	0	0	10	1	0	0	0	2	0	1	0	14	7	7	6 (5 Apr)	7	6	5 Apr	26 Nov
108.	Raven	0	2	0	0	0	0	0	7	4	2	3	0	18	12	6	2 (12 Feb)	12	11	12 Feb	17 Nov
109.	Coal Tit	0	0	0	0	0	0	0	0	0	0	0	1	1	1	0	1 (2 Dec)	1	1	2 Dec	2 Dec
110.	Blue Tit	2	29	0	4	0	8	0	2	10	23	10	0	88	48	40	28 (13 Feb)	27	24	28 Jan	17 Nov
111.	Great Tit	0	0	5	2	0	0	0	7	7	4	4	2	31	21	10	5 (18 Mar)	17	15	18 Mar	1 Dec
112.	Wood Lark	0	0	0	0	0	1	0	0	0	5	1	0	7	7	0	3 (12 Oct)	6	5	25 Jun	17 Nov
113.	Skylark	0	14	4	0	0	0	0	0	1	3242	355	1	3617	3600	17	1792 (8 Oct)	29	26	13 Feb	2 Dec
114.	Sand Martin	0	0	0	11	13	2	0	8	49	0	0	0	83	62	21	17 (3 Sep)	18	16	5 Apr	24 Sep
115.	Swallow	0	0	0	61	54	11	12	370	1779	14	0	0	2301	2179	122	415 (24 Sep)	59	53	5 Apr	21 Oct
116.	House Martin	0	0	0	19	11	3	15	45	33	0	0	0	126	94	32	23 (5 Aug)	23	21	15 Apr	24 Sep
117.	Long-tailed Tit	0	2	0	0	0	0	0	0	1	1	4	0	8	6	2	4 (17 Nov)	6	5	12 Feb	17 Nov
118.	Yellow-browed Warbler	0	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (18 Oct)	1	1	18 Oct	18 Oct
119.	Willow Warbler	0	0	0	1	0	0	0	0	0	0	0	0	1	0	1	1 (9 Apr)	1	1	9 Apr	9 Apr
120.	Chiffchaff	0	0	1	1	0	0	0	1	7	0	1	0	11	9	2	2 (4 Sep)	11	10	18 Mar	16 Nov
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
121.	Sedge Warbler	0	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 (9 Sep)	1	1	9 Sep	9 Sep
122.	Starling	1030	3527	1132	153	103	1694	217	739	5864	19814	286736	1921	322930	315419	7511	145634 (5 Nov)	86	77	21 Jan	15 Dec
123.	Song Thrush	0	0	2	0	0	0	0	1	16	160	10	1	190	188	2	48 (8 Oct)	22	20	18 Mar	2 Dec
124.	Mistle Thrush	0	0	0	3	0	0	0	0	1	13	0	0	17	14	3	7 (18 Oct)	8	7	5 Apr	25 Oct
125.	Redwing	3	7	2	0	0	0	0	0	0	1275	630	3	1920	1896	24	284 (23 Nov)	23	21	21 Jan	8 Dec
126.	Blackbird	0	2	0	1	0	0	0	0	0	1	1	0	5	4	1	2 (12 Feb)	4	4	12 Feb	23 Nov
127.	Fieldfare	2	0	30	148	0	0	0	0	0	1772	988	11	2951	2730	221	582 (25 Oct)	22	20	21 Jan	2 Dec
128.	Ring Ouzel	0	0	0	0	1	0	0	0	0	4	0	0	5	4	1	2 (8 Oct)	3	3	3 May	18 Oct
129.	thrush sp.	0	0	0	0	0	0	0	0	0	728	0	0	728	728	0	721 (8 Oct)	3	3	8 Oct	21 Oct
130.	Whinchat	0	0	0	0	0	1	0	0	7	0	0	0	8	7	1	3 (15 Sep)	4	4	4 Jun	16 Sep
131.	Stonechat	0	0	2	0	0	0	1	0	0	0	0	0	3	1	2	2 (18 Mar)	2	2	18 Mar	29 Jul
132.	Wheatear	0	0	0	2	6	0	0	13	30	3	0	0	54	46	8	12 (27 Aug)	23	21	30 Apr	5 Oct
133.	Tree Sparrow	0	0	0	0	0	0	0	0	5	23	1	0	29	29	0	9 (8 Oct)	12	11	22 Sep	16 Nov
134.	House Sparrow	0	0	0	0	0	25	0	0	4	2	0	0	31	6	25	25 (25 Jun)	3	3	25 Jun	7 Oct
135.	Dunnock	0	0	0	0	0	0	0	1	4	1	0	0	6	6	0	2 (16 Sep)	6	5	13 Aug	10 Oct
136.	Blue-headed Wagtail	0	0	0	38	10	1	0	33	783	0	0	0	865	815	50	221 (6 Sep)	42	38	5 Apr	27 Sep
137.	Grey-headed Wagtail	0	0	0	0	1	0	0	0	0	0	0	0	1	0	1	1 (19 May)	1	1	19 May	19 May
138.	Grey Wagtail	0	0	0	1	0	0	0	0	4	32	6	0	43	40	3	7 (10 Oct)	20	18	15 Apr	26 Nov
139.	White Wagtail	0	3	5	27	4	2	0	3	81	109	5	3	242	201	41	29 (24 Sep)	53	48	12 Feb	15 Dec
140.	Pied Wagtail	0	0	0	1	0	0	0	0	0	0	0	0	1	0	1	1 (30 Apr)	1	1	30 Apr	30 Apr
141.	Richard's Pipit	0	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (10 Oct)	1	1	10 Oct	10 Oct
142.	Meadow Pipit	0	1	11	1619	10	0	0	1	1370	2686	151	11	5860	4211	1649	880 (8 Oct)	60	54	21 Feb	15 Dec
143.	Tree Pipit	0	0	0	1	1	0	0	0	5	0	0	0	7	5	2	2 (6 Sep)	7	6	19 Apr	24 Sep
144.	Water Pipit	0	0	0	0	0	0	0	0	0	1	2	0	3	3	0	1 (8 Oct)	3	3	8 Oct	23 Nov
145.	Chaffinch	15	2	2	38	4	0	0	3	45	3266	346	12	3733	3689	44	1268 (8 Oct)	58	52	21 Jan	15 Dec
146.	Brambling	0	0	0	1	0	0	0	0	0	109	16	1	127	126	1	63 (8 Oct)	18	16	9 Apr	1 Dec
147.	Chaffinch/Brambling	0	0	0	0	0	0	0	0	0	7	0	0	7	7	0	7 (25 Oct)	1	1	25 Oct	25 Oct
148.	Hawfinch	0	0	0	0	0	1	0	0	0	1	4	0	6	6	0	4 (5 Nov)	3	3	15 Jun	5 Nov
149.	Bullfinch	0	0	0	1	0	0	0	0	0	2	0	0	3	2	1	2 (12 Oct)	2	2	5 Apr	12 Oct
150.	Greenfinch	0	6	5	13	7	1	0	0	7	9	2	0	50	29	21	5 (18 Mar)	27	24	12 Feb	5 Nov
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
151.	Linnet	0	0	1	40	3	1	0	0	35	65	1	0	146	104	42	35 (8 Oct)	36	32	18 Mar	16 Nov
152.	Mealy Redpoll	0	0	0	0	0	0	0	0	0	0	0	18	18	18	0	18 (15 Dec)	1	1	15 Dec	15 Dec
153.	Lesser Redpoll	0	0	0	0	0	0	0	0	0	5	0	0	5	5	0	3 (8 Oct)	3	3	5 Oct	25 Oct
154.	Redpoll	0	0	0	0	0	0	0	0	0	0	85	1	86	86	0	69 (17 Nov)	6	5	5 Nov	8 Dec
155.	Crossbill	0	0	0	0	0	0	0	0	2	14	0	0	16	16	0	10 (5 Oct)	6	5	9 Sep	21 Oct
156.	Goldfinch	0	1	6	25	1	12	1	5	6	55	6	1	119	86	33	12 (8 Oct)	47	42	26 Feb	1 Dec
157.	Siskin	0	0	0	1	0	0	0	0	53	395	28	4	481	480	1	105 (7 Oct)	26	23	8 Apr	8 Dec
158.	Ortolan Bunting	0	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 (10 Sep)	1	1	10 Sep	10 Sep
159.	Reed Bunting	0	0	5	1	2	0	0	0	23	56	7	0	94	87	7	17 (8 Oct)	36	32	18 Mar	17 Nov
160.	passerine sp.	0	0	1	0	1	0	0	0	0	7	0	0	9	7	2	5 (14 Oct)	4	4	18 Mar	18 Oct
	Other species
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Small Tortoiseshell	0	0	0	1	0	2	0	0	0	0	0	0	3	1	2	1 (9 Apr)	3	3	9 Apr	25 Jun
2.	European Peacock	0	0	0	0	0	0	0	0	29	1	0	0	30	29	1	12 (16 Sep)	8	7	4 Sep	10 Oct
3.	Swallowtail	0	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 (3 Sep)	1	1	3 Sep	3 Sep
4.	Green-veined White	0	0	0	1	0	0	0	0	1	0	0	0	2	1	1	1 (30 Apr)	2	2	30 Apr	4 Sep
5.	Small White	0	0	0	0	0	1	0	0	0	1	0	0	2	2	0	1 (25 Jun)	2	2	25 Jun	21 Oct
6.	white sp. (butterfly)	0	0	0	1	0	0	0	0	0	1	0	0	2	1	1	1 (9 Apr)	2	2	9 Apr	14 Oct
7.	Comma	0	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 (3 Sep)	1	1	3 Sep	3 Sep
8.	Red Admiral	0	0	0	0	0	1	0	0	6	6	0	0	13	13	0	6 (10 Sep)	6	5	25 Jun	14 Oct
	Other species
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Darter unknown	0	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (14 Oct)	1	1	14 Oct	14 Oct
	Other species
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Bumblebee sp.	0	0	0	2	0	1	0	0	0	0	0	0	3	0	3	1 (10 Apr)	3	3	10 Apr	4 Jun
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
	Totals	3366	15592	3440	6120	6889	3319	645	3319	24328	56575	312623	8314	444530	409238	35292		100	90
	Observation hours	4:05	9:10	5:00	37:57	33:22	18:20	1:50	15:15	56:07	52:24	24:04	8:59	266:33

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Trektellen

Totals Aetsveldsche polder, Nigtevecht 2023