Totals Aetsveldsche polder, Nigtevecht 2019

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	2	2	5	0	4	0	3	29	78	0	0	123	114	9	76 (5 Oct)	26	11	24 Feb	18 Oct
2.	Barnacle Goose	5	1721	159	161	244	0	0	0	0	21	96	101	2508	1595	913	653 (15 Feb)	42	18	20 Jan	18 Dec
3.	Greylag Goose	0	228	32	109	357	59	20	517	1115	1475	64	43	4019	2449	1570	736 (5 Oct)	95	41	15 Feb	18 Dec
4.	Domestic Goose	0	0	0	0	0	0	0	0	0	0	3	0	3	3	0	3 (3 Nov)	2	1	3 Nov	3 Nov
5.	Pink-footed Goose	0	72	0	0	0	0	0	0	0	0	7	0	79	11	68	68 (15 Feb)	7	3	15 Feb	3 Nov
6.	Tundra Bean Goose	0	0	7	0	0	0	0	0	0	51	4	2	64	57	7	28 (20 Oct)	12	5	24 Mar	18 Dec
7.	Eurasian White-fronted Goose	0	12822	97	2	0	0	0	0	30	2524	836	1190	17501	15988	1513	6139 (23 Feb)	40	17	15 Feb	18 Dec
8.	Mute Swan	0	12	0	108	13	0	0	0	15	41	1	0	190	66	124	50 (24 Apr)	42	18	15 Feb	10 Nov
9.	Bewick's Swan	0	26	0	0	0	0	0	0	0	0	6	0	32	6	26	26 (15 Feb)	5	2	15 Feb	3 Nov
10.	Whooper Swan	0	12	0	0	0	0	0	0	0	0	4	0	16	2	14	12 (23 Feb)	5	2	23 Feb	3 Nov
11.	Egyptian Goose	0	7	11	23	18	9	0	14	42	51	81	1	257	162	95	60 (17 Nov)	63	27	23 Feb	18 Dec
12.	Shelduck	3	13	2	37	4	6	0	0	0	2	2	0	69	31	38	10 (7 Apr)	40	17	20 Jan	17 Nov
13.	Shoveler	0	0	0	0	0	0	0	0	3	10	0	0	13	13	0	5 (5 Oct)	7	3	20 Sep	13 Oct
14.	Gadwall	57	3	0	10	0	0	0	24	291	78	29	0	492	468	24	107 (14 Sep)	47	20	20 Jan	10 Nov
15.	Wigeon	0	190	0	0	0	0	0	0	81	441	214	68	994	789	205	305 (13 Oct)	21	9	24 Feb	4 Dec
16.	Mallard	0	0	0	9	4	0	0	5	22	26	9	0	75	59	16	16 (5 Oct)	42	18	14 Apr	17 Nov
17.	Pintail	0	0	0	0	0	0	0	0	2	0	0	0	2	2	0	1 (7 Sep)	5	2	7 Sep	22 Sep
18.	Pochard	0	0	0	1	0	0	0	8	0	0	0	0	9	8	1	8 (9 Aug)	5	2	19 Apr	9 Aug
19.	Tufted Duck	0	0	0	0	4	0	0	0	0	0	0	0	4	2	2	2 (8 May)	5	2	8 May	9 May
20.	Swift	0	0	0	1	30	6	2	13	0	0	0	0	52	17	35	21 (8 May)	23	10	25 Apr	9 Aug
21.	Cuckoo	0	0	0	1	0	0	0	0	0	0	0	0	1	0	1	1 (19 Apr)	2	1	19 Apr	19 Apr
22.	Feral Pigeon	0	0	0	0	0	3	0	0	5	1	2	0	11	8	3	5 (22 Sep)	9	4	7 Jun	3 Nov
23.	Stock Dove	0	16	6	3	2	1	0	0	11	44	10	2	95	63	32	20 (18 Oct)	60	26	15 Feb	18 Dec
24.	Woodpigeon	259	905	32	580	21	9	0	11	58	1247	61	1	3184	2218	966	771 (20 Oct)	84	36	20 Jan	4 Dec
25.	Collared Dove	0	0	1	4	0	0	0	0	1	0	0	0	6	5	1	2 (25 Apr)	12	5	24 Mar	22 Sep
26.	Great Crested Grebe	0	0	0	0	0	0	0	1	0	0	0	0	1	0	1	1 (4 Aug)	2	1	4 Aug	4 Aug
27.	Oystercatcher	0	5	0	28	5	3	0	0	0	0	0	0	41	11	30	14 (19 Apr)	26	11	24 Feb	7 Jun
28.	Golden Plover	129	47	0	0	0	0	0	78	383	199	1	0	837	797	40	181 (14 Sep)	37	16	20 Jan	17 Nov
29.	Little Ringed Plover	0	0	0	1	0	0	0	0	0	0	0	0	1	0	1	1 (22 Apr)	2	1	22 Apr	22 Apr
30.	Lapwing	70	358	6	29	9	26	30	42	568	913	422	61	2534	2186	348	616 (5 Oct)	84	36	20 Jan	18 Dec
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
31.	Whimbrel	0	0	0	89	0	0	0	3	0	0	0	0	92	8	84	27 (24 Apr)	19	8	7 Apr	4 Aug
32.	Curlew	1	17	0	15	0	0	0	0	5	2	3	0	43	9	34	15 (24 Apr)	21	9	20 Jan	17 Nov
33.	Black-tailed Godwit	0	1	10	5	2	0	0	0	0	0	0	0	18	7	11	10 (24 Mar)	12	5	24 Feb	11 May
34.	Snipe	1	0	0	3	0	0	0	24	139	58	5	0	230	226	4	59 (20 Sep)	33	14	20 Jan	17 Nov
35.	Common Sandpiper	0	0	0	0	0	0	0	1	0	0	0	0	1	1	0	1 (4 Aug)	2	1	4 Aug	4 Aug
36.	Green Sandpiper	0	0	0	18	0	0	0	1	0	0	0	1	20	2	18	9 (7 Apr)	12	5	7 Apr	18 Dec
37.	Wood Sandpiper	0	0	0	5	0	0	0	0	0	0	0	0	5	0	5	5 (22 Apr)	2	1	22 Apr	22 Apr
38.	Redshank	0	0	0	3	3	1	0	0	0	0	0	0	7	2	5	2 (7 Apr)	14	6	7 Apr	7 Jun
39.	Greenshank	0	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 (7 Sep)	2	1	7 Sep	7 Sep
40.	wader sp.	0	0	0	1	0	0	0	1	0	0	0	0	2	1	1	1 (22 Apr)	5	2	22 Apr	4 Aug
41.	Black Tern	0	0	0	54	0	0	0	0	0	0	0	0	54	54	0	35 (22 Apr)	5	2	19 Apr	22 Apr
42.	Common Tern	0	0	0	8	7	0	0	0	0	0	0	0	15	4	11	4 (22 Apr)	14	6	19 Apr	11 May
43.	Black-headed Gull	2	48	61	170	68	54	0	58	65	726	160	2	1414	1129	285	320 (13 Oct)	79	34	20 Jan	4 Dec
44.	Mediterranean Gull	0	1	2	41	2	0	0	0	0	0	0	0	46	17	29	26 (19 Apr)	21	9	24 Feb	24 May
45.	Common Gull	11	0	20	6	2	0	1	10	10	16	28	4	108	87	21	18 (29 Mar)	56	24	20 Jan	4 Dec
46.	Caspian Gull	0	0	0	1	0	0	0	1	0	1	1	0	4	3	1	1 (14 Apr)	9	4	14 Apr	10 Nov
47.	Herring Gull	1	5	0	5	3	3	0	3	2	4	5	1	32	23	9	4 (17 Nov)	40	17	20 Jan	4 Dec
48.	Great Black-backed Gull	0	4	0	0	0	0	0	0	1	0	1	0	6	2	4	3 (16 Feb)	9	4	16 Feb	17 Nov
49.	Lesser Black-backed Gull	0	1	2	46	12	4	0	33	26	14	0	1	139	79	60	22 (19 Apr)	51	22	23 Feb	4 Dec
50.	large gull sp.	0	0	0	0	0	0	0	0	1	0	0	1	2	2	0	1 (20 Sep)	5	2	20 Sep	4 Dec
51.	White Stork	2	2	1	24	3	1	2	7	24	11	0	0	77	38	39	16 (14 Sep)	40	17	20 Jan	13 Oct
52.	Cormorant	11	140	79	189	25	14	0	29	165	732	56	0	1440	984	456	268 (20 Oct)	84	36	20 Jan	17 Nov
53.	Spoonbill	0	0	2	11	11	4	0	2	5	1	0	0	36	20	16	5 (9 May)	30	13	29 Mar	13 Oct
54.	Cattle Egret	0	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 (7 Sep)	2	1	7 Sep	7 Sep
55.	Great White Egret	0	8	1	33	5	0	0	3	61	96	10	0	217	185	32	42 (5 Oct)	56	24	16 Feb	17 Nov
56.	Grey Heron	0	0	1	8	6	8	0	8	23	39	2	0	95	68	27	31 (5 Oct)	49	21	24 Mar	3 Nov
57.	Purple Heron	0	0	0	8	4	4	0	8	3	2	0	0	29	11	18	5 (4 Aug)	33	14	19 Apr	5 Oct
58.	Osprey	0	0	0	0	0	0	0	0	3	0	0	0	3	3	0	1 (7 Sep)	7	3	7 Sep	22 Sep
59.	Honey Buzzard	0	0	0	0	1	0	0	0	4	0	0	0	5	4	1	4 (14 Sep)	5	2	24 May	14 Sep
60.	Sparrowhawk	1	4	3	25	1	0	1	3	21	13	8	0	80	46	34	10 (19 Apr)	56	24	20 Jan	10 Nov
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
61.	Goshawk	0	1	2	2	0	0	0	1	2	2	1	0	11	9	2	1 (23 Feb)	26	11	23 Feb	10 Nov
62.	Marsh Harrier	0	0	0	21	2	0	0	4	25	16	0	0	68	43	25	15 (22 Sep)	44	19	7 Apr	20 Oct
63.	Hen Harrier	0	0	0	4	1	0	0	0	2	0	1	0	8	3	5	1 (19 Apr)	19	8	19 Apr	3 Nov
64.	Red Kite	0	0	0	1	0	0	0	0	0	0	0	0	1	0	1	1 (22 Apr)	2	1	22 Apr	22 Apr
65.	Black Kite	0	0	0	4	0	0	0	0	0	0	0	0	4	0	4	1 (14 Apr)	9	4	14 Apr	24 Apr
66.	White-tailed Eagle	0	0	0	0	0	0	0	0	1	0	1	0	2	2	0	1 (14 Sep)	5	2	14 Sep	3 Nov
67.	Common Buzzard	1	1	3	31	1	1	0	12	232	144	23	0	449	407	42	130 (5 Oct)	47	20	20 Jan	3 Nov
68.	Short-eared Owl	0	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (13 Oct)	2	1	13 Oct	13 Oct
69.	Kingfisher	0	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (13 Oct)	2	1	13 Oct	13 Oct
70.	Great Spotted Woodpecker	0	0	1	0	0	0	0	2	5	3	2	0	13	9	4	5 (20 Sep)	16	7	24 Mar	3 Nov
71.	Green Woodpecker	0	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 (7 Sep)	2	1	7 Sep	7 Sep
72.	Kestrel	0	0	0	4	2	0	0	2	16	3	0	0	27	21	6	5 (22 Sep)	23	10	14 Apr	5 Oct
73.	Red-footed Falcon	0	0	0	1	0	0	0	0	0	0	0	0	1	0	1	1 (25 Apr)	2	1	25 Apr	25 Apr
74.	Merlin	0	1	0	1	0	0	0	0	0	1	0	0	3	1	2	1 (15 Feb)	7	3	15 Feb	18 Oct
75.	Hobby	0	0	0	3	0	0	0	3	6	0	0	0	12	9	3	4 (7 Sep)	14	6	19 Apr	14 Sep
76.	Peregrine	0	1	1	3	1	0	0	1	3	7	1	0	18	13	5	5 (5 Oct)	26	11	24 Feb	3 Nov
77.	Rose-ringed Parakeet	0	7	2	18	3	7	0	20	27	33	6	1	124	93	31	14 (4 Aug)	65	28	15 Feb	4 Dec
78.	Jay	0	2	0	4	0	0	0	0	45	1110	0	0	1161	993	168	1098 (5 Oct)	23	10	23 Feb	20 Oct
79.	Magpie	1	4	3	2	1	0	0	1	0	19	0	0	31	14	17	9 (5 Oct)	23	10	20 Jan	20 Oct
80.	Jackdaw	1	43	31	194	65	17	0	195	240	383	286	1	1456	1173	283	274 (3 Nov)	88	38	20 Jan	4 Dec
81.	Rook	5	1	0	0	2	7	0	2	4	0	2	0	23	18	5	7 (7 Jun)	21	9	20 Jan	3 Nov
82.	Carrion Crow	0	0	0	3	1	0	0	1	1	1	0	0	7	3	4	2 (25 Apr)	14	6	22 Apr	5 Oct
83.	Raven	0	0	0	0	1	0	0	5	5	1	0	0	12	11	1	5 (4 Aug)	12	5	9 May	13 Oct
84.	Blue Tit	0	1	0	2	0	0	0	0	8	4	0	2	17	14	3	4 (20 Sep)	19	8	23 Feb	18 Dec
85.	Great Tit	0	4	0	0	0	0	0	0	0	0	0	2	6	4	2	4 (24 Feb)	5	2	24 Feb	18 Dec
86.	Wood Lark	0	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 (20 Sep)	2	1	20 Sep	20 Sep
87.	Skylark	0	96	0	1	0	0	0	0	5	4121	29	0	4252	4159	93	2318 (13 Oct)	37	16	15 Feb	17 Nov
88.	Sand Martin	0	0	0	19	0	0	0	28	2	0	0	0	49	30	19	28 (9 Aug)	12	5	7 Apr	20 Sep
89.	Swallow	0	0	6	71	27	0	0	50	685	442	0	0	1281	1170	111	317 (5 Oct)	44	19	29 Mar	18 Oct
90.	House Martin	0	0	0	1	8	2	0	29	50	4	0	0	94	83	11	46 (7 Sep)	28	12	14 Apr	5 Oct
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
91.	Long-tailed Tit	0	0	0	0	0	0	0	0	1	10	0	0	11	11	0	10 (20 Oct)	5	2	22 Sep	20 Oct
92.	Chiffchaff	0	0	0	0	0	0	0	0	1	1	0	0	2	2	0	1 (14 Sep)	5	2	14 Sep	13 Oct
93.	Starling	0	213	155	28	31	557	0	174	336	6608	364	13	8479	8142	337	2364 (18 Oct)	72	31	15 Feb	4 Dec
94.	Song Thrush	0	0	0	199	0	0	0	0	2	138	0	0	339	231	108	158 (19 Apr)	26	11	7 Apr	20 Oct
95.	Mistle Thrush	0	2	0	1	0	0	0	0	0	1	1	0	5	2	3	2 (23 Feb)	9	4	23 Feb	3 Nov
96.	Redwing	0	0	0	32	0	0	0	0	0	87	30	0	149	130	19	40 (18 Oct)	19	8	7 Apr	10 Nov
97.	Blackbird	0	6	0	1	0	0	0	1	0	1	3	0	12	12	0	4 (24 Feb)	16	7	23 Feb	17 Nov
98.	Fieldfare	1	0	0	252	0	0	0	0	19	25	65	2	364	125	239	132 (22 Apr)	28	12	20 Jan	4 Dec
99.	Ring Ouzel	0	0	2	1	0	0	0	0	0	0	0	0	3	1	2	2 (24 Mar)	5	2	24 Mar	25 Apr
100.	thrush sp.	0	0	0	0	0	0	0	0	0	0	1	0	1	1	0	1 (3 Nov)	2	1	3 Nov	3 Nov
101.	Whinchat	0	0	0	0	0	0	0	0	4	0	0	0	4	4	0	3 (14 Sep)	5	2	14 Sep	20 Sep
102.	Stonechat	0	0	0	1	0	0	0	0	0	0	0	0	1	0	1	1 (7 Apr)	2	1	7 Apr	7 Apr
103.	Wheatear	0	0	0	1	0	0	0	0	1	0	0	0	2	1	1	1 (22 Apr)	5	2	22 Apr	7 Sep
104.	Tree Sparrow	0	6	0	0	0	0	0	14	6	46	0	0	72	54	18	31 (13 Oct)	19	8	23 Feb	18 Oct
105.	House Sparrow	0	0	0	0	0	0	0	39	0	2	0	0	41	5	36	39 (4 Aug)	7	3	4 Aug	18 Oct
106.	Dunnock	0	0	0	0	0	0	0	0	1	0	0	0	1	0	1	1 (20 Sep)	2	1	20 Sep	20 Sep
107.	Blue-headed Wagtail	0	0	0	58	5	0	1	8	72	1	0	0	145	86	59	30 (22 Sep)	42	18	5 Apr	5 Oct
108.	Grey Wagtail	0	0	1	0	0	0	0	0	4	16	2	1	24	22	2	7 (13 Oct)	26	11	24 Mar	4 Dec
109.	White Wagtail	0	5	1	13	3	0	0	7	31	91	3	0	154	131	23	29 (5 Oct)	51	22	15 Feb	17 Nov
110.	Richard's Pipit	0	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (18 Oct)	2	1	18 Oct	18 Oct
111.	Meadow Pipit	5	1	1	2477	3	0	0	0	767	2795	17	0	6066	3585	2481	1740 (13 Oct)	56	24	20 Jan	17 Nov
112.	Tree Pipit	0	0	0	19	0	0	0	0	0	0	0	0	19	0	19	9 (19 Apr)	9	4	19 Apr	25 Apr
113.	Water Pipit	0	2	0	0	0	0	0	0	0	1	0	0	3	1	2	2 (24 Feb)	5	2	24 Feb	20 Oct
114.	Chaffinch	0	19	5	10	0	0	0	0	52	18398	34	0	18518	18488	30	17359 (13 Oct)	51	22	15 Feb	17 Nov
115.	Brambling	0	0	0	0	0	0	0	0	0	19	0	0	19	19	0	16 (13 Oct)	5	2	13 Oct	20 Oct
116.	Greenfinch	0	2	0	0	0	0	0	6	10	9	1	0	28	23	5	6 (4 Aug)	21	9	23 Feb	3 Nov
117.	Linnet	0	5	1	13	0	0	0	0	5	218	0	0	242	226	16	90 (13 Oct)	30	13	23 Feb	23 Oct
118.	Lesser Redpoll	0	0	0	0	0	0	0	0	0	3	0	0	3	3	0	2 (20 Oct)	5	2	18 Oct	20 Oct
119.	Crossbill	0	0	0	0	0	0	0	0	2	3	0	0	5	5	0	3 (13 Oct)	5	2	22 Sep	13 Oct
120.	Goldfinch	0	3	3	13	2	3	2	3	58	17	3	0	107	89	18	29 (20 Sep)	44	19	15 Feb	17 Nov
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
121.	Siskin	0	6	1	0	0	0	0	0	0	723	7	0	737	733	4	473 (13 Oct)	23	10	23 Feb	10 Nov
122.	Yellowhammer	0	0	0	0	0	0	0	0	0	0	1	0	1	1	0	1 (3 Nov)	2	1	3 Nov	3 Nov
123.	Reed Bunting	0	4	1	3	0	0	0	0	19	65	2	0	94	87	7	31 (13 Oct)	35	15	23 Feb	3 Nov
	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	0	0	0	0	1	0	0	2	1	1	1 (7 Apr)	5	2	7 Apr	13 Oct
2.	European Peacock	0	0	0	1	0	0	0	0	3	0	0	0	4	3	1	2 (22 Sep)	7	3	19 Apr	22 Sep
3.	Speckled Wood	0	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 (7 Sep)	2	1	7 Sep	7 Sep
4.	Green-veined White	0	0	0	1	0	0	0	0	0	0	0	0	1	0	1	1 (7 Apr)	2	1	7 Apr	7 Apr
5.	Comma	0	0	0	1	0	0	0	0	0	0	0	0	1	0	1	1 (19 Apr)	2	1	19 Apr	19 Apr
6.	Red Admiral	0	0	0	0	0	0	0	2	2	0	0	0	4	4	0	2 (4 Aug)	5	2	4 Aug	22 Sep
7.	Painted Lady	0	0	0	0	0	0	0	1	1	0	0	0	2	2	0	1 (4 Aug)	5	2	4 Aug	22 Sep
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
	Totals	567	17106	757	5396	1025	813	59	1522	5980	44493	3017	1501	82236	70665	11571		100	43
	Observation hours	2:00	12:04	5:26	34:16	10:15	4:06	1:00	9:41	28:32	28:01	9:45	2:48	147:54

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Totals Aetsveldsche polder, Nigtevecht 2019