Also present

Totals Aetsveldsche polder, Nigtevecht 2025

	Species	Jan	Feb	Mar	Apr	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Canada Goose	9	0	11	4	24	7	17	9 ( 9 Mar)	21	6	2 Jan	23 Apr
2.	Barnacle Goose	2107	1531	1909	182	5729	3615	2114	1250 (20 Mar)	71	20	2 Jan	23 Apr
3.	Greylag Goose	238	304	384	333	1259	524	735	143 (26 Jan)	93	26	2 Jan	23 Apr
4.	goose sp.	0	286	0	0	286	231	55	151 (14 Feb)	7	2	14 Feb	15 Feb
5.	Domestic Goose	0	0	0	1	1	1	0	1 ( 3 Apr)	4	1	3 Apr	3 Apr
6.	Feral Mallard	0	0	1	0	1	0	1	1 (10 Mar)	4	1	10 Mar	10 Mar
7.	Pink-footed Goose	4	0	1	0	5	4	1	4 ( 2 Jan)	7	2	2 Jan	9 Mar
8.	Tundra Bean Goose	70	21	0	0	91	91	0	67 ( 2 Jan)	14	4	2 Jan	15 Feb
9.	Eurasian White-fronted Goose	7208	10888	2540	14	20650	15407	5243	5015 (26 Jan)	64	18	2 Jan	5 Apr
10.	Mute Swan	15	22	9	19	65	33	32	13 (14 Feb)	71	20	2 Jan	21 Apr
11.	Whooper Swan	0	3	0	0	3	0	3	3 (25 Feb)	4	1	25 Feb	25 Feb
12.	Egyptian Goose	12	54	108	174	348	151	197	48 ( 4 Apr)	75	21	2 Jan	22 Apr
13.	Shelduck	0	9	15	57	81	26	55	18 ( 7 Apr)	61	17	6 Feb	23 Apr
14.	Shoveler	0	0	6	2	8	0	8	4 (22 Mar)	11	3	19 Mar	7 Apr
15.	Gadwall	4	87	37	28	156	13	143	59 (21 Feb)	61	17	26 Jan	21 Apr
16.	Wigeon	370	301	6338	77	7086	90	6996	4854 ( 8 Mar)	43	12	26 Jan	4 Apr
17.	Mallard	3	7	16	29	55	15	40	9 ( 4 Apr)	61	17	2 Jan	22 Apr
18.	Pintail	0	0	11	3	14	0	14	11 (22 Mar)	11	3	22 Mar	7 Apr
19.	Garganey/Teal	0	0	1	0	1	0	1	1 ( 8 Mar)	4	1	8 Mar	8 Mar
20.	Red-crested Pochard	0	0	0	1	1	1	0	1 ( 7 Apr)	4	1	7 Apr	7 Apr
21.	Tufted Duck	0	1	0	9	10	9	1	4 ( 5 Apr)	14	4	21 Feb	12 Apr
22.	Goosander	1	0	1	0	2	2	0	1 ( 2 Jan)	7	2	2 Jan	8 Mar
23.	Red-breasted Merganser	0	2	0	0	2	0	2	2 (21 Feb)	4	1	21 Feb	21 Feb
24.	Swift	0	0	0	13	13	0	13	12 (21 Apr)	7	2	12 Apr	21 Apr
25.	Feral Pigeon	19	1	30	35	85	31	54	21 (12 Apr)	39	11	26 Jan	21 Apr
26.	Stock Dove	10	17	14	27	68	31	37	11 (21 Feb)	64	18	2 Jan	21 Apr
27.	Woodpigeon	180	161	388	117	846	245	601	110 (21 Mar)	96	27	2 Jan	23 Apr
28.	Oystercatcher	1	13	31	23	68	22	46	10 ( 5 Apr)	68	19	26 Jan	23 Apr
29.	Golden Plover	39	447	184	30	700	95	605	359 (21 Feb)	57	16	26 Jan	12 Apr
30.	Ringed Plover	0	0	0	1	1	0	1	1 ( 4 Apr)	4	1	4 Apr	4 Apr
	Species	Jan	Feb	Mar	Apr	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
31.	Little Ringed Plover	0	0	2	0	2	2	0	2 (20 Mar)	4	1	20 Mar	20 Mar
32.	Lapwing	275	2246	173	31	2725	423	2302	2037 (21 Feb)	75	21	2 Jan	23 Apr
33.	Whimbrel	0	0	0	124	124	18	106	38 ( 5 Apr)	32	9	4 Apr	23 Apr
34.	Curlew	0	5	7	3	15	3	12	4 (21 Feb)	21	6	21 Feb	3 Apr
35.	Black-tailed Godwit	0	4	92	77	173	21	152	34 (21 Mar)	57	16	21 Feb	15 Apr
36.	Snipe	0	9	25	1	35	1	34	19 (22 Mar)	14	4	21 Feb	12 Apr
37.	Green Sandpiper	0	2	6	66	74	1	73	32 ( 7 Apr)	39	11	21 Feb	15 Apr
38.	Redshank	0	0	24	15	39	11	28	6 ( 5 Apr)	39	11	8 Mar	23 Apr
39.	Greenshank	0	0	0	1	1	0	1	1 (15 Apr)	4	1	15 Apr	15 Apr
40.	Ruff	0	0	7	4	11	0	11	5 ( 8 Mar)	11	3	8 Mar	5 Apr
41.	wader sp.	0	0	3	2	5	0	5	3 ( 8 Mar)	7	2	8 Mar	12 Apr
42.	Black Tern	0	0	0	14	14	14	0	14 (15 Apr)	4	1	15 Apr	15 Apr
43.	Little Gull	0	0	0	1	1	1	0	1 (15 Apr)	4	1	15 Apr	15 Apr
44.	Black-headed Gull	16	202	414	243	875	120	755	169 (21 Feb)	93	26	2 Jan	23 Apr
45.	Mediterranean Gull	0	2	6	32	40	21	19	10 (12 Apr)	39	11	21 Feb	23 Apr
46.	Common Gull	64	58	149	20	291	111	180	38 ( 2 Jan)	79	22	2 Jan	15 Apr
47.	Caspian Gull	6	12	16	5	39	30	9	8 ( 8 Mar)	57	16	2 Jan	23 Apr
48.	Herring Gull	6	4	4	4	18	10	8	4 (26 Jan)	39	11	26 Jan	22 Apr
49.	Great Black-backed Gull	3	3	1	0	7	3	4	2 (31 Jan)	21	6	26 Jan	10 Mar
50.	Lesser Black-backed Gull	0	5	101	156	262	31	231	44 ( 7 Apr)	75	21	21 Feb	23 Apr
51.	White Stork	0	11	11	16	38	7	31	11 (21 Feb)	43	12	21 Feb	21 Apr
52.	Cormorant	16	87	785	477	1365	107	1258	216 (21 Mar)	86	24	2 Jan	22 Apr
53.	Spoonbill	0	3	11	46	60	7	53	21 ( 4 Apr)	36	10	21 Feb	21 Apr
54.	Little Egret	0	0	0	2	2	0	2	2 ( 4 Apr)	4	1	4 Apr	4 Apr
55.	Great White Egret	0	4	17	21	42	9	33	10 ( 4 Apr)	61	17	6 Feb	23 Apr
56.	Grey Heron	0	2	23	44	69	1	68	33 ( 4 Apr)	39	11	25 Feb	23 Apr
57.	Purple Heron	0	0	0	13	13	3	10	4 (12 Apr)	18	5	5 Apr	22 Apr
58.	Sparrowhawk	1	4	25	26	56	1	55	7 ( 8 Mar)	54	15	26 Jan	21 Apr
59.	Goshawk	0	1	2	1	4	0	4	1 (21 Feb)	14	4	21 Feb	21 Apr
60.	Marsh Harrier	0	0	16	30	46	1	45	8 ( 4 Apr)	39	11	19 Mar	22 Apr
	Species	Jan	Feb	Mar	Apr	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
61.	Hen Harrier	0	1	1	0	2	1	1	1 (14 Feb)	7	2	14 Feb	20 Mar
62.	Pallid Harrier	0	0	0	1	1	0	1	1 ( 7 Apr)	4	1	7 Apr	7 Apr
63.	Black Kite	0	0	0	1	1	0	1	1 ( 4 Apr)	4	1	4 Apr	4 Apr
64.	White-tailed Eagle	1	2	7	5	15	5	10	3 ( 8 Mar)	32	9	2 Jan	7 Apr
65.	Common Buzzard	1	2	22	14	39	0	39	9 ( 8 Mar)	36	10	2 Jan	21 Apr
66.	Kingfisher	0	0	1	0	1	0	1	1 (20 Mar)	4	1	20 Mar	20 Mar
67.	Great Spotted Woodpecker	0	1	2	1	4	0	4	2 (22 Mar)	11	3	21 Feb	7 Apr
68.	Green Woodpecker	0	0	1	1	2	0	2	1 (21 Mar)	7	2	21 Mar	4 Apr
69.	Kestrel	0	0	4	9	13	0	13	5 ( 4 Apr)	21	6	22 Mar	21 Apr
70.	falcon sp.	0	0	0	1	1	0	1	1 (21 Apr)	4	1	21 Apr	21 Apr
71.	Merlin	0	1	1	3	5	1	4	2 ( 4 Apr)	14	4	21 Feb	12 Apr
72.	Peregrine	0	1	5	5	11	4	7	3 (21 Mar)	32	9	21 Feb	21 Apr
73.	Alexandrine Parakeet	0	0	1	0	1	1	0	1 (21 Mar)	4	1	21 Mar	21 Mar
74.	Rose-ringed Parakeet	32	28	60	78	198	182	16	24 ( 9 Mar)	75	21	26 Jan	23 Apr
75.	Jay	0	0	0	2	2	0	2	1 ( 8 Apr)	7	2	8 Apr	12 Apr
76.	Magpie	0	0	7	0	7	0	7	3 (10 Mar)	14	4	9 Mar	28 Mar
77.	Jackdaw	26	106	332	226	690	474	216	73 ( 9 Mar)	96	27	2 Jan	23 Apr
78.	Rook	1	1	3	23	28	11	17	6 (12 Apr)	43	12	2 Jan	23 Apr
79.	Carrion Crow	0	0	1	0	1	0	1	1 (20 Mar)	4	1	20 Mar	20 Mar
80.	Raven	0	0	0	5	5	1	4	3 ( 5 Apr)	11	3	4 Apr	7 Apr
81.	Blue Tit	0	2	9	4	15	0	15	2 (21 Feb)	32	9	21 Feb	7 Apr
82.	Great Tit	0	3	16	5	24	3	21	3 ( 9 Mar)	46	13	15 Feb	12 Apr
83.	Wood Lark	0	0	3	0	3	0	3	3 (20 Mar)	4	1	20 Mar	20 Mar
84.	Skylark	0	27	88	4	119	0	119	30 ( 8 Mar)	46	13	14 Feb	12 Apr
85.	Sand Martin	0	0	1	23	24	0	24	7 (15 Apr)	21	6	8 Mar	22 Apr
86.	Swallow	0	0	1	99	100	7	93	35 (12 Apr)	39	11	22 Mar	23 Apr
87.	House Martin	0	0	0	2	2	0	2	1 ( 4 Apr)	7	2	4 Apr	15 Apr
88.	Chiffchaff	0	0	2	1	3	0	3	1 (21 Mar)	11	3	21 Mar	4 Apr
89.	Starling	1527	3224	1529	70	6350	3773	2577	1256 (14 Feb)	89	25	2 Jan	22 Apr
90.	Song Thrush	1	0	1	82	84	3	81	27 (12 Apr)	32	9	31 Jan	15 Apr
	Species	Jan	Feb	Mar	Apr	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
91.	Mistle Thrush	0	0	11	13	24	0	24	9 (21 Mar)	25	7	21 Mar	12 Apr
92.	Redwing	0	0	1017	96	1113	8	1105	920 (22 Mar)	29	8	9 Mar	12 Apr
93.	Blackbird	0	0	1	0	1	1	0	1 (21 Mar)	4	1	21 Mar	21 Mar
94.	Fieldfare	11	1	8	87	107	1	106	42 ( 4 Apr)	39	11	26 Jan	15 Apr
95.	Ring Ouzel	0	0	0	2	2	0	2	1 ( 4 Apr)	7	2	4 Apr	5 Apr
96.	thrush sp.	0	1	1	3	5	1	4	2 ( 3 Apr)	14	4	6 Feb	5 Apr
97.	Robin	0	0	0	1	1	0	1	1 ( 4 Apr)	4	1	4 Apr	4 Apr
98.	Black Redstart	0	0	3	0	3	0	3	2 (22 Mar)	7	2	21 Mar	22 Mar
99.	Whinchat	0	0	0	1	1	0	1	1 (21 Apr)	4	1	21 Apr	21 Apr
100.	Stonechat	0	0	1	0	1	0	1	1 (22 Mar)	4	1	22 Mar	22 Mar
101.	Wheatear	0	0	0	2	2	0	2	2 ( 4 Apr)	4	1	4 Apr	4 Apr
102.	Tree Sparrow	0	1	0	0	1	0	1	1 (21 Feb)	4	1	21 Feb	21 Feb
103.	House Sparrow	0	2	0	1	3	0	3	2 (25 Feb)	7	2	25 Feb	8 Apr
104.	Dunnock	0	0	0	1	1	0	1	1 ( 8 Apr)	4	1	8 Apr	8 Apr
105.	Blue-headed Wagtail	0	0	1	66	67	1	66	16 (15 Apr)	39	11	22 Mar	23 Apr
106.	Grey Wagtail	0	0	8	1	9	3	6	2 ( 9 Mar)	25	7	8 Mar	7 Apr
107.	White Wagtail	2	8	121	58	189	14	175	48 (22 Mar)	79	22	26 Jan	23 Apr
108.	Pied Wagtail	0	0	1	1	2	0	2	1 (21 Mar)	7	2	21 Mar	7 Apr
109.	Meadow Pipit	1	23	82	2310	2416	9	2407	655 ( 5 Apr)	75	21	26 Jan	23 Apr
110.	Tree Pipit	0	0	0	4	4	0	4	3 (15 Apr)	7	2	12 Apr	15 Apr
111.	Water Pipit	0	0	1	0	1	0	1	1 (22 Mar)	4	1	22 Mar	22 Mar
112.	Chaffinch	2	16	301	22	341	18	323	100 (21 Mar)	79	22	26 Jan	12 Apr
113.	Brambling	0	0	0	1	1	0	1	1 ( 8 Apr)	4	1	8 Apr	8 Apr
114.	Chaffinch/Brambling	0	0	1	0	1	0	1	1 ( 9 Mar)	4	1	9 Mar	9 Mar
115.	Greenfinch	0	2	17	28	47	12	35	13 ( 8 Apr)	46	13	21 Feb	12 Apr
116.	Linnet	0	0	5	43	48	1	47	12 (15 Apr)	29	8	21 Mar	15 Apr
117.	Goldfinch	2	12	10	31	55	13	42	9 (21 Feb)	64	18	2 Jan	23 Apr
118.	Siskin	0	0	0	1	1	0	1	1 (12 Apr)	4	1	12 Apr	12 Apr
119.	Reed Bunting	0	0	18	1	19	1	18	6 ( 9 Mar)	21	6	8 Mar	4 Apr
120.	passerine sp.	0	0	0	1	1	0	1	1 ( 8 Apr)	4	1	8 Apr	8 Apr
	Other species
	Species	Jan	Feb	Mar	Apr	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Small Tortoiseshell	0	0	3	0	3	0	3	2 ( 8 Mar)	7	2	8 Mar	21 Mar
2.	Brimstone	0	0	0	2	2	0	2	1 (12 Apr)	7	2	12 Apr	15 Apr
3.	European Peacock	0	1	8	12	21	2	19	6 (22 Mar)	29	8	21 Feb	15 Apr
4.	Speckled Wood	0	0	0	1	1	0	1	1 (15 Apr)	4	1	15 Apr	15 Apr
5.	Green-veined White	0	0	0	8	8	0	8	3 ( 4 Apr)	11	3	4 Apr	12 Apr
6.	Comma	0	0	0	1	1	0	1	1 (12 Apr)	4	1	12 Apr	12 Apr
7.	Red Admiral	0	0	2	0	2	1	1	2 ( 8 Mar)	4	1	8 Mar	8 Mar
	Other species
	Species	Jan	Feb	Mar	Apr	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Bumblebee sp.	0	1	8	8	17	2	15	5 (22 Mar)	36	10	21 Feb	23 Apr
	Species	Jan	Feb	Mar	Apr	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
	Totals	12284	20286	17682	6126	56378	26155	30223		100	28
	Observation hours	7:30	18:45	35:10	38:50	100:15

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Totals Aetsveldsche polder, Nigtevecht 2025