Also present

Totals Margarethapolder (Terneuzen) 2021

	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	W	E	Maximum	Presence (%)	Presence (days)	First	Last
1.	Dark-bellied Brent Goose	0	0	0	0	0	0	0	0	2	0	1	0	3	3	0	2 (19 Sep)	1	2	19 Sep	14 Nov
2.	Canada Goose	2	8	0	6	8	0	10	58	76	348	48	2	566	548	18	280 (23 Oct)	21	32	29 Jan	11 Dec
3.	Barnacle Goose	140	1693	419	67	0	0	0	1483	440	625	231	0	5098	2788	2310	551 (19 Feb)	51	80	1 Jan	27 Nov
4.	Bar-headed Goose	0	0	0	0	1	0	0	0	0	0	0	0	1	0	1	1 ( 7 May)	1	1	7 May	7 May
5.	Greylag Goose	80	60	21	20	57	0	32	443	195	654	156	98	1816	1663	153	168 (28 Oct)	54	85	1 Jan	4 Dec
6.	Pink-footed Goose	0	0	0	0	0	0	0	0	0	6	0	1	7	7	0	6 (31 Oct)	1	2	31 Oct	4 Dec
7.	Tundra Bean Goose	267	24	0	0	0	0	0	0	0	97	13	45	446	354	92	187 ( 1 Jan)	9	14	1 Jan	18 Dec
8.	Eurasian White-fronted Goose	1717	1276	321	0	0	0	0	0	103	709	1717	115	5958	4351	1607	1087 ( 1 Jan)	31	49	1 Jan	18 Dec
9.	Mute Swan	0	2	3	0	0	0	0	3	17	8	12	0	45	40	5	9 (27 Nov)	8	13	5 Feb	27 Nov
10.	Egyptian Goose	6	20	15	29	6	0	10	65	90	79	50	14	384	315	69	34 (13 Aug)	37	58	16 Jan	11 Dec
11.	Shelduck	24	13	17	41	24	0	1	40	6	6	26	0	198	105	93	28 (15 Aug)	31	49	1 Jan	27 Nov
12.	Shoveler	7	1	27	39	1	0	0	39	39	34	1	0	188	114	74	22 ( 9 Oct)	19	29	29 Jan	10 Nov
13.	Gadwall	0	4	3	0	18	0	21	2	3	9	2	0	62	38	24	13 (23 May)	10	15	7 Feb	13 Nov
14.	Wigeon	104	19	8	0	0	0	0	6	312	694	307	26	1476	1442	34	155 ( 7 Nov)	28	44	1 Jan	4 Dec
15.	Mallard	3	12	4	5	2	0	23	3	0	13	5	0	70	46	24	20 (11 Jul)	11	17	1 Jan	22 Nov
16.	Pintail	0	6	8	1	0	0	0	5	19	52	1	0	92	71	21	27 (22 Oct)	13	20	20 Feb	6 Nov
17.	Teal	0	4	0	0	5	0	1	0	27	6	101	230	374	359	15	230 ( 4 Dec)	7	11	11 Feb	4 Dec
18.	Pochard	0	0	0	0	2	0	2	4	0	2	0	0	10	8	2	3 (24 Aug)	3	5	8 May	23 Oct
19.	Tufted Duck	0	6	3	1	0	0	2	0	16	1	11	0	40	35	5	12 (19 Sep)	7	11	11 Feb	21 Nov
20.	Eider	0	0	0	0	3	0	0	0	0	0	0	0	3	0	3	3 ( 7 May)	1	1	7 May	7 May
21.	Red-breasted Merganser	0	0	0	0	0	0	0	0	0	0	2	0	2	0	2	2 ( 7 Nov)	1	1	7 Nov	7 Nov
22.	Swift	0	0	0	417	170	0	520	154	5	0	0	0	1266	652	614	253 (25 Apr)	21	33	23 Apr	5 Sep
23.	Cuckoo	0	0	0	4	1	0	0	0	0	0	0	0	5	0	5	2 (24 Apr)	3	4	23 Apr	9 May
24.	Stock Dove	0	41	35	31	7	0	5	22	77	96	6	0	320	206	114	41 (24 Sep)	35	55	19 Feb	14 Nov
25.	Woodpigeon	39	1342	1972	246	24	0	153	109	1027	1332	181	10	6435	2852	3583	863 (26 Mar)	58	90	1 Jan	18 Dec
26.	Turtle Dove	0	0	0	0	1	0	0	1	0	0	0	0	2	2	0	1 ( 9 May)	1	2	9 May	24 Aug
27.	Collared Dove	0	3	3	5	2	0	4	2	15	20	2	0	56	43	13	9 ( 2 Oct)	19	30	20 Feb	14 Nov
28.	Coot	0	0	0	0	1	0	0	0	0	0	0	0	1	0	1	1 ( 1 May)	1	1	1 May	1 May
29.	Crane	0	0	0	0	0	0	0	0	0	0	12	0	12	12	0	12 (22 Nov)	1	1	22 Nov	22 Nov
30.	Great Crested Grebe	0	3	0	2	0	0	0	1	0	0	0	0	6	1	5	3 (11 Feb)	2	3	11 Feb	20 Aug
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	W	E	Maximum	Presence (%)	Presence (days)	First	Last
31.	Oystercatcher	1	0	5	9	47	0	8	29	0	6	2	0	107	45	62	15 ( 8 May)	12	19	29 Jan	22 Nov
32.	Black-winged Stilt	0	0	0	0	5	0	0	0	0	0	0	0	5	0	5	3 ( 7 May)	1	2	1 May	7 May
33.	Avocet	0	2	1	19	4	0	4	9	0	0	0	0	39	13	26	12 (26 Apr)	8	12	28 Feb	15 Aug
34.	Lapwing	1	4636	16	12	0	0	41	175	22	797	173	0	5873	5514	359	4276 ( 7 Feb)	34	53	24 Jan	22 Nov
35.	Golden Plover	25	92	18	2	0	0	9	534	155	183	12	0	1030	950	80	160 (24 Aug)	29	45	1 Jan	21 Nov
36.	Grey Plover	0	5	0	1	0	0	0	2	3	1	0	0	12	11	1	5 ( 7 Feb)	4	6	7 Feb	22 Oct
37.	Ringed Plover	0	0	1	3	10	0	3	7	33	5	0	0	62	48	14	25 ( 5 Sep)	9	14	17 Mar	2 Oct
38.	Little Ringed Plover	0	0	1	1	0	0	0	0	0	0	0	0	2	0	2	1 (24 Mar)	1	2	24 Mar	16 Apr
39.	Whimbrel	0	0	3	197	40	0	147	27	5	0	0	0	419	32	387	77 (20 Jul)	19	30	22 Mar	6 Sep
40.	Curlew	5	9	36	16	0	0	10	25	81	91	10	7	290	231	59	21 ( 7 Mar)	46	72	1 Jan	11 Dec
41.	Bar-tailed Godwit	0	0	6	20	9	0	2	3	2	2	14	0	58	23	35	14 (22 Nov)	7	11	22 Mar	22 Nov
42.	Black-tailed Godwit	0	1	53	7	0	0	12	22	34	3	0	0	132	71	61	39 ( 6 Mar)	14	22	20 Feb	2 Oct
43.	Turnstone	0	0	0	15	0	0	4	1	0	0	0	0	20	1	19	15 ( 4 Apr)	2	3	4 Apr	1 Aug
44.	Ruff	0	0	0	20	0	0	0	2	1	0	0	0	23	3	20	12 ( 4 Apr)	3	4	4 Apr	11 Sep
45.	wader sp.	0	0	0	6	0	0	0	6	0	0	0	0	12	6	6	6 (28 Apr)	1	2	28 Apr	28 Aug
46.	Dunlin	0	6	0	1	0	0	0	1	0	2	1	0	11	4	7	6 ( 7 Feb)	3	5	7 Feb	27 Nov
47.	Purple Sandpiper	0	0	0	1	0	0	0	0	0	0	0	0	1	0	1	1 ( 4 Apr)	1	1	4 Apr	4 Apr
48.	Little / Temminck's Stint	0	0	0	0	0	0	0	0	1	0	0	0	1	0	1	1 ( 4 Sep)	1	1	4 Sep	4 Sep
49.	Woodcock	0	1	0	0	0	0	0	0	0	0	0	0	1	0	1	1 (20 Feb)	1	1	20 Feb	20 Feb
50.	Snipe	0	7	2	9	0	0	11	129	123	51	17	0	349	338	11	34 ( 5 Sep)	35	55	7 Feb	14 Nov
51.	Common Sandpiper	0	0	0	6	28	0	3	14	4	0	0	0	55	21	34	15 ( 3 May)	13	21	24 Apr	12 Sep
52.	Green Sandpiper	0	0	0	26	0	0	0	5	12	5	0	0	48	22	26	8 (24 Apr)	14	22	10 Apr	23 Oct
53.	Redshank	0	17	1	20	18	0	4	13	59	0	0	0	132	89	43	28 ( 2 Sep)	12	19	7 Feb	4 Sep
54.	Wood Sandpiper	0	0	0	4	1	0	0	6	0	0	0	0	11	6	5	3 (24 Apr)	4	6	24 Apr	23 Aug
55.	Spotted Redshank	0	1	3	6	0	0	2	3	11	2	0	1	29	19	10	8 (19 Sep)	12	18	19 Feb	11 Dec
56.	Greenshank	0	0	0	43	6	0	9	72	25	15	0	0	170	121	49	25 (12 Aug)	15	24	18 Apr	31 Oct
57.	Black-headed Gull	25	607	672	322	62	0	194	819	339	1787	1287	19	6133	4765	1368	554 ( 7 Nov)	74	116	1 Jan	11 Dec
58.	Little Gull	0	0	0	83	2	0	0	0	0	0	0	0	85	0	85	83 (26 Apr)	1	2	26 Apr	23 May
59.	Mediterranean Gull	0	66	199	702	67	0	22	13	2	0	0	0	1071	37	1034	271 (18 Apr)	35	55	19 Feb	4 Sep
60.	Common Gull	73	36	12	34	20	0	8	29	13	57	176	25	483	325	158	154 ( 7 Nov)	48	75	1 Jan	11 Dec
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	W	E	Maximum	Presence (%)	Presence (days)	First	Last
61.	Great Black-backed Gull	5	17	3	19	7	0	4	23	7	7	23	3	118	75	43	8 ( 7 Nov)	35	54	1 Jan	11 Dec
62.	Herring Gull	120	237	122	201	110	0	33	468	134	163	469	91	2148	1470	678	329 ( 7 Nov)	69	108	1 Jan	11 Dec
63.	Lesser Black-backed Gull	0	28	344	1144	362	0	113	402	39	46	25	0	2503	622	1881	256 (25 Apr)	73	114	5 Feb	27 Nov
64.	Sandwich Tern	0	0	0	5	0	0	56	9	75	2	0	0	147	63	84	39 (17 Jul)	11	17	26 Apr	2 Oct
65.	Common Tern	0	0	0	247	28	0	47	350	46	0	0	0	718	443	275	135 ( 7 Aug)	19	29	9 Apr	20 Sep
66.	Black Tern	0	0	0	1	0	0	0	0	0	0	0	0	1	0	1	1 (24 Apr)	1	1	24 Apr	24 Apr
67.	Guillemot	0	0	0	0	0	0	0	0	0	1	2	0	3	2	1	1 ( 7 Oct)	2	3	7 Oct	27 Nov
68.	Cormorant	87	46	229	178	31	0	24	190	498	1322	205	13	2823	2312	511	378 ( 7 Oct)	67	105	1 Jan	11 Dec
69.	Spoonbill	0	0	4	13	3	0	29	47	11	9	3	0	119	86	33	18 (23 Aug)	24	37	17 Mar	21 Nov
70.	Grey Heron	0	3	31	19	7	0	1	34	34	32	1	0	162	102	60	27 (23 Aug)	37	58	14 Feb	10 Nov
71.	Purple Heron	0	0	0	20	1	0	0	1	1	0	0	0	23	1	22	6 (24 Apr)	6	10	16 Apr	3 Sep
72.	Great White Egret	0	3	4	7	2	0	1	12	11	22	2	0	64	47	17	5 (27 Aug)	26	40	6 Feb	27 Nov
73.	Little Egret	0	2	1	3	4	0	7	15	12	7	3	0	54	45	9	4 (11 Aug)	21	32	6 Feb	10 Nov
74.	Osprey	0	0	0	0	1	0	0	0	0	2	0	0	3	2	1	2 ( 2 Oct)	1	2	7 May	2 Oct
75.	Sparrowhawk	0	2	8	6	1	0	0	2	2	15	0	0	36	19	17	6 (31 Oct)	15	24	19 Feb	31 Oct
76.	Goshawk	0	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 ( 5 Sep)	1	1	5 Sep	5 Sep
77.	Marsh Harrier	0	0	5	6	4	0	0	30	5	6	2	0	58	42	16	10 (24 Aug)	22	34	6 Mar	14 Nov
78.	Hen Harrier	0	1	4	1	0	0	0	0	1	1	2	0	10	5	5	1 (14 Feb)	6	10	14 Feb	5 Nov
79.	Red Kite	0	0	0	2	0	0	0	0	0	0	0	0	2	0	2	1 (24 Apr)	1	2	24 Apr	27 Apr
80.	Black Kite	0	0	0	0	1	0	0	0	0	0	0	0	1	0	1	1 ( 9 May)	1	1	9 May	9 May
81.	Common Buzzard	0	4	2	7	0	0	0	1	3	10	2	0	29	16	13	5 (24 Apr)	10	15	19 Feb	21 Nov
82.	Short-eared Owl	0	0	0	2	0	0	0	0	0	0	0	0	2	1	1	1 ( 9 Apr)	1	2	9 Apr	25 Apr
83.	Great Spotted Woodpecker	0	0	2	0	0	0	3	2	5	6	1	0	19	15	4	3 (22 Sep)	10	15	24 Mar	5 Nov
84.	Kestrel	0	0	0	0	1	0	2	1	0	0	1	0	5	4	1	1 ( 9 May)	3	5	9 May	22 Nov
85.	Merlin	0	2	1	0	0	0	0	0	1	7	0	0	11	8	3	2 (28 Oct)	6	10	6 Feb	31 Oct
86.	Hobby	0	0	0	0	0	0	0	2	0	0	0	0	2	2	0	1 (24 Aug)	1	2	24 Aug	25 Aug
87.	Peregrine	0	1	0	2	0	0	0	4	1	3	0	0	11	8	3	1 (19 Feb)	7	11	19 Feb	31 Oct
88.	Jay	0	0	1	2	4	0	0	2	425	2013	1	0	2448	519	1929	1915 ( 9 Oct)	20	31	19 Mar	5 Nov
89.	Magpie	0	0	0	0	0	0	0	0	0	7	0	0	7	7	0	7 (16 Oct)	1	1	16 Oct	16 Oct
90.	Jackdaw	5	1676	877	134	23	0	38	53	50	404	49	0	3309	598	2711	848 (21 Feb)	51	80	29 Jan	27 Nov
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	W	E	Maximum	Presence (%)	Presence (days)	First	Last
91.	Rook	0	17	3	1	0	0	0	0	2	6	0	0	29	6	23	11 (21 Feb)	5	8	20 Feb	17 Oct
92.	Carrion Crow	0	22	39	20	5	0	0	0	11	20	0	0	117	31	86	16 (20 Feb)	18	28	20 Feb	28 Oct
93.	Coal Tit	0	0	0	0	0	0	0	0	0	3	0	0	3	3	0	2 (22 Oct)	1	2	19 Oct	22 Oct
94.	Blue Tit	0	3	7	2	0	0	2	4	27	446	9	0	500	488	12	197 (26 Oct)	26	40	6 Feb	10 Nov
95.	Great Tit	3	2	6	1	0	0	0	0	14	49	6	0	81	72	9	9 (26 Oct)	21	32	24 Jan	27 Nov
96.	Bearded Tit	0	0	0	3	0	0	0	0	0	6	0	0	9	6	3	6 ( 9 Oct)	1	2	4 Apr	9 Oct
97.	Wood Lark	0	15	8	1	1	0	0	0	3	33	0	0	61	34	27	12 (21 Feb)	10	16	21 Feb	31 Oct
98.	Skylark	37	1844	16	1	1	0	0	0	21	5957	308	0	8185	7971	214	1812 (28 Oct)	35	54	1 Jan	27 Nov
99.	Sand Martin	0	0	2	45	5	0	22	4	0	0	0	0	78	30	48	16 (11 Jul)	12	18	30 Mar	19 Aug
100.	Swallow	0	0	9	702	1727	0	331	667	887	222	3	0	4548	2538	2010	918 ( 9 May)	55	86	30 Mar	22 Nov
101.	House Martin	0	0	0	105	208	0	47	535	182	4	0	0	1081	747	334	150 (23 Aug)	28	44	9 Apr	2 Oct
102.	Long-tailed Tit	0	0	0	0	0	0	0	0	0	3	0	0	3	3	0	3 ( 2 Oct)	1	1	2 Oct	2 Oct
103.	Yellow-browed Warbler	0	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (26 Oct)	1	1	26 Oct	26 Oct
104.	Chiffchaff	0	1	1	1	0	0	0	0	10	6	1	0	20	17	3	3 (17 Sep)	10	15	21 Feb	5 Nov
105.	Blackcap	0	0	1	0	0	0	0	0	0	0	0	0	1	0	1	1 (31 Mar)	1	1	31 Mar	31 Mar
106.	Starling	0	7250	44261	16	23	0	793	1158	3457	42768	3356	15	103097	52057	51040	14460 (21 Mar)	67	105	5 Feb	11 Dec
107.	Song Thrush	0	0	2	18	0	0	0	0	3	164	25	0	212	192	20	62 ( 5 Oct)	19	29	10 Mar	10 Nov
108.	Mistle Thrush	0	3	3	2	0	0	0	1	0	9	0	0	18	10	8	8 (24 Oct)	6	9	19 Feb	30 Oct
109.	Redwing	0	99	101	30	0	0	0	0	0	1880	23	0	2133	1955	178	1617 (24 Oct)	19	29	6 Feb	14 Nov
110.	Blackbird	0	1	1	0	1	0	0	0	0	39	22	0	64	61	3	16 ( 5 Nov)	13	20	26 Feb	20 Nov
111.	Fieldfare	0	3	46	30	0	0	0	0	0	35	18	1	133	56	77	32 (24 Oct)	11	17	7 Feb	18 Dec
112.	Ring Ouzel	0	0	0	15	0	0	0	0	0	0	0	0	15	0	15	7 (10 Apr)	3	4	10 Apr	27 Apr
113.	Black Redstart	0	0	0	1	1	0	0	0	0	0	0	0	2	0	2	1 (25 Apr)	1	2	25 Apr	1 May
114.	Whinchat	0	0	0	1	0	0	0	1	7	0	0	0	9	8	1	5 (18 Sep)	3	4	28 Apr	18 Sep
115.	Stonechat	0	0	1	0	0	0	0	0	3	0	0	0	4	3	1	3 (18 Sep)	1	2	3 Mar	18 Sep
116.	Wheatear	0	0	0	13	1	0	0	35	11	21	0	0	81	67	14	18 (27 Aug)	12	19	11 Apr	7 Oct
117.	Tree Sparrow	0	0	0	0	0	0	0	9	6	1	0	0	16	16	0	9 (21 Aug)	2	3	21 Aug	23 Oct
118.	House Sparrow	0	0	1	0	0	0	0	0	0	0	0	0	1	0	1	1 ( 2 Mar)	1	1	2 Mar	2 Mar
119.	Dunnock	0	0	0	0	0	0	0	0	1	8	0	0	9	9	0	3 (26 Oct)	3	5	25 Sep	27 Oct
120.	Blue-headed Wagtail	0	0	0	61	28	0	4	70	17	0	0	0	180	93	87	62 (15 Aug)	12	19	9 Apr	30 Sep
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	W	E	Maximum	Presence (%)	Presence (days)	First	Last
121.	Yellow Wagtail (flavissima)	0	0	0	1	0	0	0	0	0	0	0	0	1	0	1	1 (23 Apr)	1	1	23 Apr	23 Apr
122.	Yellow wagtail sp.	0	0	6	147	21	0	21	687	89	3	0	0	974	805	169	152 (19 Aug)	32	50	31 Mar	9 Oct
123.	Grey Wagtail	0	3	9	2	0	0	0	0	21	21	0	0	56	39	17	7 (25 Sep)	21	33	20 Feb	30 Oct
124.	White Wagtail	0	7	30	6	3	0	2	1	13	19	1	0	82	38	44	13 ( 2 Oct)	17	26	7 Feb	4 Nov
125.	alba wagtail sp.	1	36	182	26	0	0	2	6	43	91	5	0	392	147	245	28 ( 3 Mar)	46	72	1 Jan	22 Nov
126.	Motacilla (wagtail) sp.	0	0	0	0	0	0	0	0	0	2	0	0	2	2	0	2 ( 2 Oct)	1	1	2 Oct	2 Oct
127.	Richard's Pipit	0	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 ( 4 Oct)	1	1	4 Oct	4 Oct
128.	Tawny Pipit	0	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 ( 8 Sep)	1	1	8 Sep	8 Sep
129.	Meadow Pipit	6	207	123	15064	13	0	0	11	3084	3946	166	15	22635	7242	15393	3748 (28 Apr)	71	111	1 Jan	18 Dec
130.	Tree Pipit	0	0	0	14	0	0	0	0	2	2	0	0	18	4	14	5 (27 Apr)	5	8	24 Apr	9 Oct
131.	Water Pipit	0	2	0	0	0	0	0	0	0	2	4	0	8	6	2	2 ( 6 Nov)	4	6	21 Feb	13 Nov
132.	Rock Pipit	0	3	0	0	0	0	0	0	1	29	1	0	34	31	3	5 (24 Oct)	11	17	14 Feb	22 Nov
133.	Rock Pipit/Water Pipit	0	1	0	0	0	0	0	0	0	1	0	0	2	1	1	1 ( 6 Feb)	1	2	6 Feb	31 Oct
134.	Chaffinch	0	500	2865	16	0	0	0	0	59	33859	526	7	37832	34451	3381	7764 (17 Oct)	45	70	20 Feb	4 Dec
135.	Brambling	0	0	3	2	0	0	0	0	0	327	2	1	335	330	5	112 (23 Oct)	13	21	2 Mar	4 Dec
136.	Greenfinch	0	21	34	12	4	0	0	0	9	54	6	0	140	70	70	10 (26 Oct)	35	55	6 Feb	13 Nov
137.	Linnet	0	61	38	156	13	0	4	44	348	277	0	0	941	666	275	134 ( 5 Oct)	46	72	5 Feb	28 Oct
138.	redpoll sp.	0	0	0	8	0	0	0	0	0	0	0	0	8	0	8	7 (24 Apr)	1	2	24 Apr	28 Apr
139.	Crossbill	0	0	0	0	0	0	2	0	3	2	0	0	7	7	0	3 (28 Sep)	3	4	29 Jul	31 Oct
140.	Goldfinch	0	10	25	22	0	0	1	21	5	20	7	0	111	54	57	11 (21 Mar)	26	41	6 Feb	27 Nov
141.	Siskin	0	11	10	5	4	0	0	0	0	1414	67	2	1513	1483	30	192 (17 Oct)	22	35	21 Feb	18 Dec
142.	Lapland Bunting	0	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (24 Oct)	1	1	24 Oct	24 Oct
143.	Snow Bunting	0	0	0	0	0	0	0	0	0	0	4	0	4	0	4	4 (21 Nov)	1	1	21 Nov	21 Nov
144.	Reed Bunting	1	22	61	17	0	0	0	5	70	223	23	5	427	329	98	29 (28 Oct)	48	75	1 Jan	11 Dec
	Other species
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	W	E	Maximum	Presence (%)	Presence (days)	First	Last
1.	Brimstone	0	0	0	0	1	0	0	0	0	0	0	0	1	1	0	1 ( 9 May)	1	1	9 May	9 May
2.	European Peacock	0	0	1	0	0	0	0	2	6	22	0	0	31	30	1	12 ( 8 Oct)	4	7	30 Mar	9 Oct
3.	Swallowtail	0	0	0	1	1	0	0	0	0	0	0	0	2	1	1	1 (27 Apr)	1	2	27 Apr	1 May
4.	Large White	0	0	0	0	1	0	0	0	0	0	0	0	1	0	1	1 ( 1 May)	1	1	1 May	1 May
5.	Small White	0	0	1	2	2	0	9	0	0	0	0	0	14	0	14	9 (11 Jul)	3	4	30 Mar	11 Jul
6.	Red Admiral	0	0	0	0	0	0	2	4	6	3	0	0	15	15	0	4 (25 Sep)	6	9	11 Jul	9 Oct
7.	Painted Lady	0	0	0	0	1	0	0	2	0	0	0	0	3	2	1	2 ( 3 Aug)	1	2	13 May	3 Aug
	Other species
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	W	E	Maximum	Presence (%)	Presence (days)	First	Last
1.	Common Darter	0	0	0	0	0	0	0	0	0	3	0	0	3	3	0	3 ( 8 Oct)	1	1	8 Oct	8 Oct
2.	Migrant Hawker	0	0	0	0	0	0	1	3	0	0	0	0	4	3	1	2 (21 Aug)	2	3	11 Jul	25 Aug
3.	Dragonfly unknown	0	0	0	0	0	0	0	2	2	6	0	0	10	10	0	4 (23 Oct)	3	4	15 Aug	23 Oct
	Other species
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	W	E	Maximum	Presence (%)	Presence (days)	First	Last
1.	Bumblebee sp.	0	0	14	5	5	0	6	0	0	0	0	0	30	0	30	8 (31 Mar)	4	7	30 Mar	11 Jul
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	W	E	Maximum	Presence (%)	Presence (days)	First	Last
	Totals	2784	22189	53436	21093	3312	0	2884	9306	13180	103892	9951	746	242773	147512	95261		100	156
	Observation hours	6:30	29:45	45:15	57:15	36:45	4:30	22:45	67:15	69:00	84:00	24:44	3:29	451:13

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Trektellen

Totals Margarethapolder (Terneuzen) 2021