Also present

Totals Aetsveldsche polder, Nigtevecht 2020

	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Dark-bellied Brent Goose	0	0	0	0	0	0	0	0	601	0	0	601	601	0	601 (12 Oct)	1	1	12 Oct	12 Oct
2.	Canada Goose	1	27	6	3	0	0	72	86	40	0	0	235	156	79	52 (31 Aug)	26	24	7 Feb	20 Oct
3.	Barnacle Goose	537	691	4145	1056	0	0	39	163	200	1999	226	9056	3097	5959	2117 (27 Apr)	55	51	7 Feb	20 Dec
4.	Lesser Canada Goose	0	0	2	1	0	0	0	0	0	0	0	3	0	3	2 ( 5 Apr)	2	2	5 Apr	10 May
5.	Greylag Goose	53	332	354	1563	0	676	930	2560	2481	2041	112	11102	7841	3261	988 ( 8 Nov)	96	88	7 Feb	20 Dec
6.	goose sp.	0	56	14	4	0	0	0	0	0	44	0	118	44	74	56 (25 Mar)	5	5	25 Mar	8 Nov
7.	Domestic Goose	0	0	0	5	0	0	0	0	0	0	0	5	0	5	2 ( 8 May)	4	4	7 May	21 May
8.	Pink-footed Goose	3	19	0	0	0	0	0	0	6	502	10	540	489	51	344 (22 Nov)	11	10	7 Feb	20 Dec
9.	Tundra Bean Goose	0	5	0	0	0	0	0	0	14	160	64	243	233	10	64 (20 Dec)	15	14	24 Mar	20 Dec
10.	Eurasian White-fronted Goose	2533	4055	102	0	0	0	1	16	12404	20096	5770	44977	35644	9333	4391 (20 Dec)	49	45	7 Feb	20 Dec
11.	Black Swan	0	0	0	0	0	3	0	0	1	0	0	4	4	0	3 (31 Jul)	2	2	31 Jul	9 Oct
12.	Mute Swan	5	5	49	44	0	3	19	39	93	44	7	308	193	115	27 ( 9 Oct)	53	49	7 Feb	8 Dec
13.	Bewick's Swan	0	0	0	0	0	0	0	0	0	3	25	28	28	0	25 (20 Dec)	2	2	27 Nov	20 Dec
14.	Whooper Swan	0	2	0	0	0	0	0	0	0	0	0	2	0	2	2 ( 7 Mar)	1	1	7 Mar	7 Mar
15.	Egyptian Goose	2	48	158	93	0	30	84	206	99	56	26	802	352	450	36 ( 9 May)	78	72	8 Feb	20 Dec
16.	Shelduck	1	12	55	12	0	0	0	0	1	1	0	82	33	49	16 (19 Apr)	23	21	7 Feb	22 Nov
17.	Ruddy Shelduck	0	0	0	0	0	3	0	0	0	0	0	3	0	3	3 (31 Jul)	1	1	31 Jul	31 Jul
18.	Garganey	0	1	0	0	0	0	0	0	0	0	0	1	0	1	1 (25 Mar)	1	1	25 Mar	25 Mar
19.	Shoveler	0	0	9	0	0	0	37	1	81	97	0	225	216	9	90 (22 Nov)	13	12	5 Apr	22 Nov
20.	Gadwall	7	23	18	15	0	40	155	489	89	82	0	918	814	104	80 (14 Sep)	60	55	7 Feb	20 Nov
21.	Wigeon	56	544	39	0	0	0	4	1018	1184	320	2	3167	2619	548	784 (14 Oct)	41	38	7 Feb	20 Dec
22.	Mallard	2	16	9	3	0	5	14	34	17	46	0	146	121	25	23 (10 Nov)	37	34	7 Feb	18 Nov
23.	Pintail	0	0	0	0	0	0	0	13	101	1	0	115	105	10	78 ( 9 Oct)	10	9	11 Sep	27 Nov
24.	Teal	0	0	0	0	0	0	6	3	7	0	0	16	15	1	6 (31 Aug)	5	5	31 Aug	11 Oct
25.	duck sp.	0	0	0	0	0	4	8	11	2	0	0	25	25	0	11 (30 Sep)	4	4	8 Jul	11 Oct
26.	Red-crested Pochard	0	0	0	0	0	0	0	0	0	1	0	1	0	1	1 (13 Nov)	1	1	13 Nov	13 Nov
27.	Pochard	0	0	0	0	0	5	0	6	3	0	0	14	14	0	6 ( 2 Sep)	4	4	31 Jul	18 Oct
28.	Tufted Duck	0	0	0	7	0	0	0	0	0	1	0	8	3	5	4 ( 8 May)	4	4	3 May	22 Nov
29.	Swift	0	0	54	88	0	46	13	0	0	0	0	201	59	142	33 (23 Apr)	16	15	19 Apr	2 Aug
30.	Cuckoo	0	0	1	5	0	0	0	0	0	0	0	6	2	4	2 ( 9 May)	4	4	26 Apr	10 May
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
31.	Feral Pigeon	0	31	168	84	0	69	186	89	0	9	0	636	153	483	111 ( 1 Aug)	36	33	23 Mar	22 Nov
32.	Stock Dove	12	43	52	7	0	1	2	20	52	92	5	286	196	90	55 ( 7 Nov)	59	54	7 Feb	20 Dec
33.	Woodpigeon	40	215	128	19	0	55	7	123	1542	1127	266	3522	3130	392	455 (14 Oct)	83	76	7 Feb	20 Dec
34.	Turtle Dove	0	0	0	1	0	0	0	0	0	0	0	1	0	1	1 ( 9 May)	1	1	9 May	9 May
35.	Collared Dove	0	2	4	0	0	1	1	0	0	0	0	8	2	6	2 (16 Apr)	7	6	7 Mar	18 Aug
36.	Crane	0	5	3	0	0	0	0	0	0	0	0	8	0	8	5 (25 Mar)	2	2	25 Mar	5 Apr
37.	Great Crested Grebe	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 (24 Sep)	1	1	24 Sep	24 Sep
38.	Oystercatcher	0	15	77	25	0	7	0	0	0	0	0	124	86	38	65 ( 4 Apr)	21	19	14 Mar	31 Jul
39.	Grey Plover	0	0	0	0	0	4	0	1	0	0	0	5	5	0	4 (19 Jul)	2	2	19 Jul	20 Sep
40.	Golden Plover	0	335	254	0	0	15	49	621	420	37	19	1750	1159	591	165 ( 5 Apr)	58	53	7 Mar	20 Dec
41.	Dotterel	0	0	0	0	0	0	0	4	0	0	0	4	4	0	4 ( 2 Sep)	1	1	2 Sep	2 Sep
42.	Ringed Plover	0	0	0	0	0	0	0	1	3	0	0	4	4	0	3 (11 Oct)	2	2	15 Sep	11 Oct
43.	Little Ringed Plover	0	0	4	0	0	0	0	0	0	0	0	4	0	4	3 ( 5 Apr)	2	2	5 Apr	16 Apr
44.	Lapwing	7	129	30	29	22	288	25	1603	3487	1643	195	7458	7255	203	1602 ( 2 Oct)	82	75	8 Feb	20 Dec
45.	Whimbrel	0	3	262	4	0	1	0	2	0	0	0	272	7	265	63 (23 Apr)	15	14	24 Mar	2 Sep
46.	Curlew	0	6	11	2	0	14	4	4	3	1	1	46	34	12	8 (19 Jul)	26	24	23 Mar	20 Dec
47.	Bar-tailed Godwit	0	0	0	1	0	0	0	0	0	0	0	1	0	1	1 ( 6 May)	1	1	6 May	6 May
48.	Black-tailed Godwit	0	188	101	3	0	0	0	0	0	0	0	292	30	262	118 (16 Mar)	17	16	14 Mar	12 May
49.	Jack Snipe	0	0	0	0	0	0	0	0	0	2	0	2	2	0	2 ( 8 Nov)	1	1	8 Nov	8 Nov
50.	Woodcock	0	1	0	0	0	0	0	0	0	1	0	2	1	1	1 (24 Mar)	2	2	24 Mar	8 Nov
51.	Snipe	0	8	17	0	0	5	210	360	273	64	1	938	909	29	137 (31 Aug)	53	49	14 Mar	20 Dec
52.	Common Sandpiper	0	0	0	4	0	1	3	2	1	0	0	11	7	4	2 (10 May)	10	9	10 May	18 Oct
53.	Green Sandpiper	0	12	39	1	0	1	1	3	0	5	0	62	12	50	18 ( 5 Apr)	21	19	25 Mar	22 Nov
54.	Wood Sandpiper	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 ( 2 Sep)	1	1	2 Sep	2 Sep
55.	Redshank	0	11	12	2	0	0	0	0	0	0	0	25	4	21	5 (14 Mar)	13	12	14 Mar	8 May
56.	Spotted Redshank	0	0	1	0	0	0	0	1	0	0	0	2	1	1	1 (16 Apr)	2	2	16 Apr	18 Sep
57.	Greenshank	0	0	4	2	0	0	0	1	0	0	0	7	1	6	3 (27 Apr)	4	4	19 Apr	14 Sep
58.	Ruff	0	0	2	0	0	1	0	5	0	0	0	8	6	2	5 (17 Sep)	3	3	18 Apr	17 Sep
59.	Gull-billed Tern	0	0	1	0	0	0	0	0	0	0	0	1	0	1	1 (19 Apr)	1	1	19 Apr	19 Apr
60.	Black Tern	0	0	19	0	0	0	0	0	0	0	0	19	0	19	19 (19 Apr)	1	1	19 Apr	19 Apr
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
61.	Arctic Tern	0	0	0	2	0	0	0	0	0	0	0	2	0	2	2 ( 9 May)	1	1	9 May	9 May
62.	Common Tern	0	0	9	7	0	8	1	0	0	0	0	25	14	11	5 (27 Apr)	11	10	19 Apr	19 Aug
63.	Little Gull	0	0	7	0	0	0	0	0	0	0	0	7	0	7	7 (12 Apr)	1	1	12 Apr	12 Apr
64.	Black-headed Gull	9	809	957	76	6	493	283	463	2711	932	4	6743	5066	1677	1320 ( 9 Oct)	90	83	7 Feb	20 Dec
65.	Mediterranean Gull	0	32	108	18	0	0	0	0	1	0	0	159	56	103	28 (11 Apr)	25	23	14 Mar	3 Oct
66.	Common Gull	17	53	36	5	0	14	18	26	33	125	1	328	237	91	49 ( 8 Nov)	59	54	7 Feb	8 Dec
67.	Caspian Gull	0	1	4	3	0	0	3	5	2	2	1	21	12	9	2 (30 Aug)	22	20	16 Mar	20 Dec
68.	Herring Gull	1	4	17	8	0	3	1	11	8	17	3	73	60	13	5 (19 Apr)	39	36	7 Feb	20 Dec
69.	Yellow-legged Gull	0	1	0	1	0	0	0	0	0	0	0	2	1	1	1 (16 Mar)	2	2	16 Mar	8 May
70.	Great Black-backed Gull	1	2	0	1	0	0	0	1	3	1	1	10	6	4	1 ( 8 Feb)	11	10	8 Feb	20 Dec
71.	Lesser Black-backed Gull	0	17	86	78	0	135	41	30	16	7	0	410	246	164	108 ( 8 Jul)	57	52	14 Mar	8 Nov
72.	Laridae sp.	0	46	6	0	0	0	0	0	0	0	0	52	0	52	46 (26 Mar)	2	2	26 Mar	6 Apr
73.	Black Stork	0	0	0	0	0	1	0	0	0	0	0	1	1	0	1 (31 Jul)	1	1	31 Jul	31 Jul
74.	White Stork	1	16	43	12	0	8	1	15	24	0	0	120	45	75	23 (23 Apr)	27	25	7 Feb	18 Oct
75.	Cormorant	9	1242	945	97	0	21	283	1642	2740	748	105	7832	5575	2257	637 (11 Oct)	91	84	7 Feb	20 Dec
76.	Spoonbill	0	8	33	9	0	3	6	5	33	0	0	97	50	47	33 (11 Oct)	29	27	16 Mar	11 Oct
77.	Little Egret	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 (17 Sep)	1	1	17 Sep	17 Sep
78.	Great White Egret	3	27	34	16	0	14	25	114	32	11	1	277	189	88	21 (20 Sep)	68	63	7 Feb	8 Dec
79.	Grey Heron	3	28	50	34	0	16	14	58	44	0	0	247	143	104	27 ( 2 Oct)	62	57	7 Feb	23 Oct
80.	Purple Heron	0	0	16	21	0	32	11	1	2	0	0	83	42	41	21 (19 Jul)	26	24	11 Apr	14 Oct
81.	Osprey	0	0	4	1	0	0	0	5	2	0	0	12	5	7	2 (11 Apr)	11	10	11 Apr	18 Oct
82.	Honey Buzzard	0	0	0	0	0	1	1	0	0	0	0	2	2	0	1 (31 Jul)	2	2	31 Jul	30 Aug
83.	Sparrowhawk	1	37	50	2	0	0	7	27	29	23	3	179	90	89	16 ( 5 Apr)	58	53	7 Feb	20 Dec
84.	Goshawk	0	6	2	3	0	1	0	5	2	2	0	21	10	11	2 ( 7 Mar)	21	19	7 Mar	7 Nov
85.	Marsh Harrier	0	13	54	26	0	11	17	30	13	3	0	167	74	93	13 (12 Apr)	60	55	14 Mar	18 Nov
86.	Hen Harrier	0	2	4	0	0	0	0	0	8	4	0	18	12	6	3 (15 Oct)	14	13	23 Mar	22 Nov
87.	Pallid Harrier	0	1	0	0	0	0	0	0	0	0	0	1	0	1	1 (27 Mar)	1	1	27 Mar	27 Mar
88.	Montagu's Harrier	0	0	0	1	0	0	0	0	0	0	0	1	0	1	1 (10 May)	1	1	10 May	10 May
89.	Montagu's/Pallid Harrier	0	0	0	1	0	0	0	0	0	0	0	1	1	0	1 (21 May)	1	1	21 May	21 May
90.	Hen/Montagu's/Pallid Harrier	0	0	1	0	0	0	0	0	0	0	0	1	0	1	1 (23 Apr)	1	1	23 Apr	23 Apr
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
91.	Red Kite	0	0	5	0	0	0	0	0	3	0	0	8	3	5	2 (27 Apr)	7	6	4 Apr	17 Oct
92.	Black Kite	0	0	2	1	0	0	0	0	0	0	0	3	0	3	1 (11 Apr)	3	3	11 Apr	9 May
93.	White-tailed Eagle	0	0	2	0	0	0	0	0	1	0	0	3	1	2	1 (11 Apr)	3	3	11 Apr	17 Oct
94.	Common Buzzard	2	104	72	25	0	2	4	73	1098	13	0	1393	1192	201	596 (17 Oct)	54	50	7 Feb	22 Nov
95.	Short-eared Owl	0	0	0	1	0	0	0	0	1	0	0	2	1	1	1 ( 8 May)	2	2	8 May	15 Oct
96.	Kingfisher	0	0	0	0	0	0	2	1	0	0	0	3	3	0	1 (19 Aug)	3	3	19 Aug	9 Sep
97.	Great Spotted Woodpecker	0	2	6	2	0	0	5	7	1	5	1	29	17	12	3 ( 2 Aug)	25	23	16 Mar	20 Dec
98.	Green Woodpecker	0	0	1	0	0	0	0	0	0	0	0	1	0	1	1 (11 Apr)	1	1	11 Apr	11 Apr
99.	Kestrel	0	4	3	2	0	2	0	8	1	1	0	21	12	9	4 (14 Sep)	15	14	14 Mar	8 Nov
100.	Merlin	0	1	0	0	0	0	0	3	2	0	0	6	5	1	2 (17 Sep)	5	5	14 Mar	18 Oct
101.	Hobby	0	0	10	4	0	0	2	3	0	0	0	19	7	12	3 (23 Apr)	12	11	11 Apr	14 Sep
102.	Peregrine	0	6	15	0	0	0	0	5	9	4	0	39	23	16	4 ( 4 Apr)	26	24	7 Mar	27 Nov
103.	Alexandrine Parakeet	0	0	0	0	0	0	2	0	16	0	0	18	18	0	10 (15 Oct)	3	3	31 Aug	15 Oct
104.	Rose-ringed Parakeet	10	22	36	24	0	19	157	482	286	141	29	1206	1135	71	122 (24 Sep)	74	68	8 Feb	20 Dec
105.	Golden Oriole	0	0	0	1	0	0	0	0	0	0	0	1	0	1	1 ( 7 May)	1	1	7 May	7 May
106.	Jay	0	1	53	3	0	1	2	0	2	0	0	62	5	57	28 (23 Apr)	14	13	26 Mar	12 Oct
107.	Magpie	1	5	3	7	0	0	0	2	0	0	0	18	7	11	6 ( 9 May)	10	9	7 Feb	30 Sep
108.	Jackdaw	12	285	333	95	0	30	524	1085	1846	497	1	4708	3800	908	653 (14 Oct)	87	80	7 Feb	8 Dec
109.	Rook	0	3	2	1	0	4	3	3	3	5	0	24	11	13	4 (31 Jul)	15	14	25 Mar	22 Nov
110.	Carrion Crow	1	6	6	3	0	104	6	12	5	10	0	153	129	24	100 ( 8 Jul)	26	24	7 Feb	13 Nov
111.	Raven	1	5	1	2	0	3	9	6	17	5	3	52	35	17	4 (19 Aug)	24	22	7 Feb	20 Dec
112.	Waxwing	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (14 Oct)	1	1	14 Oct	14 Oct
113.	Blue Tit	0	3	4	1	0	2	6	10	2	2	0	30	24	6	3 ( 7 Mar)	20	18	7 Mar	10 Nov
114.	Great Tit	0	5	0	0	0	0	3	6	5	0	0	19	14	5	4 ( 9 Oct)	12	11	14 Mar	11 Oct
115.	Wood Lark	0	1	1	0	0	0	0	2	2	0	0	6	4	2	2 (18 Sep)	5	5	14 Mar	14 Oct
116.	Skylark	46	44	7	0	0	0	1	21	994	414	0	1527	1429	98	186 (23 Oct)	40	37	7 Feb	22 Nov
117.	Short-toed Lark	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 (20 Sep)	1	1	20 Sep	20 Sep
118.	Sand Martin	0	2	65	5	0	8	0	0	1	0	0	81	17	64	18 (23 Apr)	20	18	24 Mar	3 Oct
119.	Swallow	0	0	170	23	0	23	296	968	50	0	0	1530	1328	202	399 (11 Sep)	53	49	4 Apr	23 Oct
120.	House Martin	0	0	7	24	0	5	69	11	5	0	0	121	68	53	32 (27 Aug)	21	19	18 Apr	11 Oct
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
121.	Long-tailed Tit	0	0	0	1	0	0	0	1	7	4	0	13	12	1	7 (23 Oct)	5	5	12 May	8 Nov
122.	Willow Warbler	0	0	1	0	0	0	1	0	0	0	0	2	1	1	1 (11 Apr)	2	2	11 Apr	19 Aug
123.	Chiffchaff	0	2	0	0	0	0	1	4	4	0	0	11	9	2	2 (20 Sep)	11	10	14 Mar	23 Oct
124.	Reed Warbler	0	0	0	0	0	0	2	0	0	0	0	2	2	0	2 ( 2 Aug)	1	1	2 Aug	2 Aug
125.	Lesser Whitethroat	0	0	0	1	0	0	0	0	0	0	0	1	0	1	1 ( 9 May)	1	1	9 May	9 May
126.	Whitethroat	0	0	0	1	0	0	0	0	0	0	0	1	0	1	1 ( 9 May)	1	1	9 May	9 May
127.	Goldcrest	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (20 Oct)	1	1	20 Oct	20 Oct
128.	Wren	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (11 Oct)	1	1	11 Oct	11 Oct
129.	Nuthatch	0	1	0	0	0	0	0	0	0	0	0	1	0	1	1 (16 Mar)	1	1	16 Mar	16 Mar
130.	Short-toed Tree Creeper	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (15 Oct)	1	1	15 Oct	15 Oct
131.	Starling	1299	4418	170	15	0	906	1235	8138	31724	8969	230	57104	52658	4446	6270 (12 Oct)	84	77	7 Feb	20 Dec
132.	Song Thrush	0	2	4	0	0	0	0	27	30	14	0	77	72	5	21 (30 Sep)	24	22	25 Mar	27 Nov
133.	Mistle Thrush	0	6	4	0	0	0	0	0	2	1	0	13	3	10	5 (26 Mar)	7	6	25 Mar	8 Nov
134.	Redwing	0	78	56	0	0	0	0	45	1878	1898	15	3970	3829	141	1098 ( 8 Nov)	33	30	24 Mar	20 Dec
135.	Blackbird	0	3	0	0	0	0	0	1	3	62	0	69	66	3	31 ( 8 Nov)	11	10	25 Mar	22 Nov
136.	Fieldfare	0	476	1122	0	0	0	0	0	4775	1896	14	8283	6677	1606	3540 (18 Oct)	32	29	14 Mar	20 Dec
137.	Ring Ouzel	0	0	3	0	0	0	0	0	0	1	0	4	1	3	1 ( 5 Apr)	4	4	5 Apr	8 Nov
138.	thrush sp.	0	0	0	0	0	0	0	0	24	1	0	25	25	0	24 ( 9 Oct)	2	2	9 Oct	13 Nov
139.	Spotted Flycatcher	0	0	0	1	0	0	0	0	0	0	0	1	0	1	1 ( 7 May)	1	1	7 May	7 May
140.	Robin	0	0	0	0	0	0	0	1	1	0	0	2	2	0	1 (14 Sep)	2	2	14 Sep	15 Oct
141.	White-spotted Bluethroat	0	0	0	0	0	0	1	0	0	0	0	1	1	0	1 ( 2 Aug)	1	1	2 Aug	2 Aug
142.	Whinchat	0	0	0	0	0	0	3	23	0	0	0	26	26	0	14 ( 2 Sep)	8	7	19 Aug	24 Sep
143.	Stonechat	0	1	0	0	0	0	0	3	1	0	0	5	4	1	1 (24 Mar)	5	5	24 Mar	6 Oct
144.	Wheatear	0	0	1	7	0	0	0	10	1	0	0	19	11	8	5 ( 9 May)	13	12	12 Apr	2 Oct
145.	Tree Sparrow	1	6	3	0	0	0	0	36	68	1	0	115	101	14	26 (11 Oct)	16	15	21 Feb	18 Nov
146.	House Sparrow	0	0	3	2	0	6	0	0	0	0	0	11	7	4	6 (31 Jul)	5	5	12 Apr	31 Jul
147.	Dunnock	0	0	0	0	0	0	0	6	1	0	0	7	7	0	3 (14 Sep)	5	5	11 Sep	12 Oct
148.	Blue-headed Wagtail	0	0	53	19	0	7	53	74	5	0	0	211	139	72	28 (25 Aug)	39	36	11 Apr	3 Oct
149.	Yellow Wagtail (flavissima)	0	0	1	0	0	0	0	1	0	0	0	2	1	1	1 (23 Apr)	2	2	23 Apr	2 Sep
150.	Grey Wagtail	0	6	1	0	0	0	0	10	33	7	0	57	48	9	6 (30 Sep)	26	24	16 Mar	18 Nov
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
151.	White Wagtail	0	44	14	1	0	21	25	161	73	16	4	359	263	96	18 (30 Sep)	63	58	14 Mar	20 Dec
152.	Tawny Pipit	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 (11 Sep)	1	1	11 Sep	11 Sep
153.	Meadow Pipit	2	57	1788	4	0	0	1	1121	1499	156	5	4633	2786	1847	882 (30 Sep)	67	62	7 Feb	20 Dec
154.	Tree Pipit	0	0	6	3	0	0	0	11	3	0	0	23	14	9	3 (23 Apr)	18	17	16 Apr	9 Oct
155.	Red-throated Pipit	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 ( 2 Oct)	1	1	2 Oct	2 Oct
156.	Water Pipit	0	0	0	0	0	0	0	0	1	4	13	18	18	0	13 (20 Dec)	7	6	15 Oct	20 Dec
157.	Chaffinch	5	409	76	1	0	0	1	238	3268	659	2	4659	4169	490	1893 ( 9 Oct)	61	56	7 Feb	20 Dec
158.	Brambling	1	0	0	0	0	0	0	0	18	31	0	50	49	1	10 (10 Nov)	16	15	7 Feb	22 Nov
159.	Hawfinch	0	1	0	0	0	0	0	0	1	0	0	2	1	1	1 ( 7 Mar)	2	2	7 Mar	9 Oct
160.	Greenfinch	3	19	13	8	0	0	6	26	18	0	0	93	61	32	16 (14 Sep)	35	32	21 Feb	23 Oct
161.	Linnet	0	22	33	1	0	0	3	111	20	7	0	197	138	59	76 (30 Sep)	34	31	16 Mar	20 Nov
162.	Mealy Redpoll	0	0	0	0	0	0	0	0	0	1	0	1	1	0	1 (10 Nov)	1	1	10 Nov	10 Nov
163.	Lesser Redpoll	0	0	0	0	0	0	0	0	3	0	0	3	3	0	1 ( 9 Oct)	3	3	9 Oct	14 Oct
164.	redpoll sp.	0	0	0	0	0	0	0	0	0	1	0	1	1	0	1 ( 7 Nov)	1	1	7 Nov	7 Nov
165.	Crossbill	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 (14 Sep)	1	1	14 Sep	14 Sep
166.	Goldfinch	4	39	38	9	0	2	10	25	10	76	0	213	133	80	42 (20 Nov)	50	46	7 Feb	22 Nov
167.	Siskin	0	4	1	0	0	1	0	11	48	39	1	105	101	4	19 (23 Oct)	23	21	3 Mar	8 Dec
168.	Corn Bunting	0	0	1	0	0	0	0	0	0	0	0	1	0	1	1 (12 Apr)	1	1	12 Apr	12 Apr
169.	Reed Bunting	0	13	5	0	0	6	1	42	22	6	1	96	77	19	13 (30 Sep)	41	38	7 Mar	8 Dec
170.	Species unidentified	0	0	0	0	0	0	0	2	20	0	0	22	22	0	18 ( 9 Oct)	5	5	11 Sep	18 Oct
	Other species
	Species	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	2	0	0	0	2	1	0	0	0	5	3	2	2 (11 Apr)	3	3	11 Apr	14 Sep
2.	Silver Y	0	0	0	0	0	0	0	0	0	1	0	1	1	0	1 ( 8 Nov)	1	1	8 Nov	8 Nov
3.	Brimstone	0	0	4	0	0	0	0	0	0	0	0	4	0	4	2 ( 4 Apr)	3	3	4 Apr	23 Apr
4.	European Peacock	0	0	3	1	0	1	2	9	2	1	0	19	15	4	3 (19 Sep)	15	14	12 Apr	8 Nov
5.	Large Tortoiseshell	0	0	1	0	0	0	0	0	0	0	0	1	0	1	1 (12 Apr)	1	1	12 Apr	12 Apr
6.	Speckled Wood	0	0	1	0	0	0	0	0	0	0	0	1	0	1	1 (27 Apr)	1	1	27 Apr	27 Apr
7.	Large White	0	0	1	0	0	1	0	2	2	0	0	6	5	1	2 (14 Sep)	4	4	23 Apr	18 Oct
8.	Green-veined White	0	0	1	0	0	0	0	0	1	0	0	2	1	1	1 (27 Apr)	2	2	27 Apr	23 Oct
9.	Small White	0	0	1	0	0	0	0	2	0	0	0	3	2	1	2 (14 Sep)	2	2	12 Apr	14 Sep
10.	Comma	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 ( 3 Oct)	1	1	3 Oct	3 Oct
11.	Red Admiral	0	0	2	1	0	1	1	10	0	0	0	15	12	3	7 (14 Sep)	9	8	11 Apr	21 Sep
	Other species
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Migrant Hawker	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (18 Oct)	1	1	18 Oct	18 Oct
	Other species
	Species	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	1	0	0	0	0	0	0	0	0	1	0	1	1 ( 4 Apr)	1	1	4 Apr	4 Apr
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
	Totals	4692	15291	12888	3805	28	3194	5021	22789	76831	45299	7167	197005	158532	38473		100	92
	Observation hours	5:15	45:44	66:43	33:52	0:10	14:19	23:45	57:07	63:07	38:13	4:50	353:05

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Totals Aetsveldsche polder, Nigtevecht 2020