Also present

Totals Slikken van de Heen 2021

	Species	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Dark-bellied Brent Goose	0	0	0	0	0	0	26	18	44	30	14	26 ( 9 Oct)	7	2	9 Oct	10 Nov
2.	Canada Goose	0	0	0	0	16	0	15	55	86	86	0	55 (10 Nov)	15	4	24 Aug	10 Nov
3.	Barnacle Goose	0	1023	0	0	3	29	114	2	1171	143	1028	1023 ( 1 May)	48	13	1 May	10 Nov
4.	Greylag Goose	19	5	0	0	95	75	238	0	432	408	24	73 (28 Aug)	59	16	24 Apr	29 Oct
5.	Pink-footed Goose	0	0	0	0	0	0	1	0	1	1	0	1 (28 Oct)	4	1	28 Oct	28 Oct
6.	Tundra Bean Goose	0	0	0	0	0	0	38	21	59	59	0	21 ( 9 Nov)	15	4	5 Oct	9 Nov
7.	Eurasian White-fronted Goose	0	0	0	0	0	0	251	5	256	256	0	61 (28 Oct)	37	10	2 Oct	10 Nov
8.	Mute Swan	0	0	0	0	0	0	3	0	3	3	0	3 ( 5 Oct)	4	1	5 Oct	5 Oct
9.	Bewick's Swan	0	0	0	0	0	0	18	3	21	21	0	10 (27 Oct)	11	3	27 Oct	10 Nov
10.	Egyptian Goose	0	0	0	0	0	0	59	0	59	56	3	27 ( 9 Oct)	11	3	9 Oct	29 Oct
11.	Shelduck	0	0	0	0	14	0	9	3	26	14	12	6 (28 Oct)	26	7	24 Aug	9 Nov
12.	Ruddy Shelduck	0	0	0	0	0	1	8	0	9	9	0	8 ( 5 Oct)	7	2	28 Sep	5 Oct
13.	Shoveler	0	0	0	0	3	0	0	0	3	0	3	3 (25 Aug)	4	1	25 Aug	25 Aug
14.	Gadwall	0	0	0	0	0	1	3	0	4	4	0	3 ( 2 Oct)	7	2	8 Sep	2 Oct
15.	Wigeon	0	0	0	0	9	38	64	0	111	78	33	31 ( 2 Oct)	44	12	24 Aug	30 Oct
16.	Mallard	0	0	0	0	4	6	0	0	10	4	6	6 ( 8 Sep)	7	2	25 Aug	8 Sep
17.	Pintail	0	0	0	0	0	15	89	3	107	104	3	20 ( 5 Oct)	52	14	23 Sep	9 Nov
18.	Goldeneye	0	0	0	0	0	0	1	0	1	1	0	1 (23 Oct)	4	1	23 Oct	23 Oct
19.	Swift	12	0	0	0	12	0	0	0	24	12	12	9 (27 Apr)	26	7	24 Apr	31 Aug
20.	Cuckoo	0	0	0	0	0	1	0	0	1	1	0	1 ( 8 Sep)	4	1	8 Sep	8 Sep
21.	Stock Dove	4	0	0	0	12	256	164	48	484	480	4	147 (25 Sep)	89	24	24 Apr	10 Nov
22.	Woodpigeon	30	0	0	0	3	113	777	129	1052	1002	50	269 (24 Oct)	81	22	24 Apr	10 Nov
23.	Collared Dove	0	0	0	0	0	1	2	0	3	3	0	2 (27 Oct)	7	2	28 Sep	27 Oct
24.	Oystercatcher	1	6	0	0	4	0	0	0	11	4	7	6 ( 1 May)	15	4	24 Apr	24 Aug
25.	Grey Plover	0	0	0	0	2	0	0	0	2	2	0	1 (24 Aug)	7	2	24 Aug	25 Aug
26.	Golden Plover	3	0	0	0	66	150	1998	70	2287	2284	3	449 (16 Oct)	74	20	27 Apr	10 Nov
27.	Lapwing	1	0	0	0	27	203	4701	609	5541	5419	122	2354 (16 Oct)	67	18	24 Apr	10 Nov
28.	Whimbrel	33	2	0	0	0	0	0	0	35	0	35	24 (24 Apr)	11	3	24 Apr	1 May
29.	Curlew	2	0	0	0	3	8	12	1	26	24	2	5 (11 Sep)	52	14	27 Apr	9 Nov
30.	Black-tailed Godwit	0	0	0	0	0	4	0	0	4	4	0	4 (25 Sep)	4	1	25 Sep	25 Sep
	Species	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
31.	Snipe	0	0	0	0	0	14	7	2	23	23	0	14 ( 8 Sep)	19	5	8 Sep	9 Nov
32.	Common Sandpiper	3	0	0	0	0	0	0	0	3	0	3	3 (27 Apr)	4	1	27 Apr	27 Apr
33.	Green Sandpiper	2	0	0	0	2	0	2	0	6	4	2	2 (24 Apr)	19	5	24 Apr	24 Oct
34.	Redshank	7	0	0	0	1	3	0	0	11	1	10	7 (24 Apr)	11	3	24 Apr	28 Sep
35.	Spotted Redshank	5	0	0	0	0	0	0	0	5	0	5	5 (27 Apr)	4	1	27 Apr	27 Apr
36.	Greenshank	9	0	0	0	0	0	0	0	9	0	9	8 (24 Apr)	7	2	24 Apr	27 Apr
37.	Ruff	2	0	0	0	0	0	15	0	17	15	2	12 (24 Oct)	15	4	24 Apr	29 Oct
38.	Common Tern	2	3	0	0	26	0	0	0	31	26	5	23 ( 7 Aug)	15	4	27 Apr	28 Aug
39.	Black-headed Gull	0	63	0	0	35	0	231	6	335	272	63	103 (24 Oct)	48	13	1 May	9 Nov
40.	Common Gull	0	0	0	0	3	0	3	0	6	6	0	3 ( 7 Aug)	15	4	7 Aug	27 Oct
41.	Herring Gull	5	0	0	0	20	0	28	6	59	54	5	19 (18 Oct)	41	11	24 Apr	10 Nov
42.	Great Black-backed Gull	0	0	0	0	0	1	1	0	2	2	0	1 (17 Sep)	7	2	17 Sep	2 Oct
43.	Lesser Black-backed Gull	9	0	0	0	22	1	21	0	53	44	9	15 ( 7 Aug)	37	10	24 Apr	29 Oct
44.	Cormorant	24	11	0	0	84	8	489	7	623	588	35	195 ( 5 Oct)	63	17	24 Apr	9 Nov
45.	Spoonbill	4	0	0	0	11	6	44	1	66	62	4	26 ( 2 Oct)	52	14	24 Apr	9 Nov
46.	Little Egret	0	0	0	0	2	0	0	0	2	2	0	1 (25 Aug)	7	2	25 Aug	28 Aug
47.	Cattle Egret	0	0	0	0	0	3	0	0	3	3	0	3 ( 8 Sep)	4	1	8 Sep	8 Sep
48.	Great White Egret	4	0	0	0	2	0	14	0	20	16	4	5 (24 Oct)	30	8	24 Apr	30 Oct
49.	Grey Heron	4	1	0	0	4	1	2	0	12	7	5	3 (27 Apr)	33	9	24 Apr	29 Oct
50.	Purple Heron	0	0	0	0	1	0	1	0	2	2	0	1 (28 Aug)	7	2	28 Aug	2 Oct
51.	Osprey	0	1	0	0	0	0	0	0	1	0	1	1 ( 1 May)	4	1	1 May	1 May
52.	Sparrowhawk	1	1	0	0	1	2	15	1	21	19	2	4 (28 Oct)	52	14	27 Apr	9 Nov
53.	Marsh Harrier	5	1	0	0	8	0	2	0	16	10	6	4 (24 Aug)	30	8	24 Apr	5 Oct
54.	Hen Harrier	0	0	0	0	0	0	1	0	1	1	0	1 (29 Oct)	4	1	29 Oct	29 Oct
55.	Common Buzzard	0	0	0	0	2	2	25	0	29	29	0	12 (28 Oct)	37	10	25 Aug	29 Oct
56.	Great Spotted Woodpecker	1	0	0	0	3	1	5	0	10	9	1	2 ( 2 Oct)	33	9	27 Apr	23 Oct
57.	Merlin	0	0	0	0	0	0	2	0	2	2	0	1 (24 Oct)	7	2	24 Oct	28 Oct
58.	Hobby	0	0	0	0	0	1	0	0	1	1	0	1 (28 Sep)	4	1	28 Sep	28 Sep
59.	Peregrine	0	0	0	0	0	0	2	0	2	2	0	2 ( 9 Oct)	4	1	9 Oct	9 Oct
60.	Jay	0	0	0	0	0	57	194	1	252	252	0	118 ( 2 Oct)	52	14	8 Sep	9 Nov
	Species	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
61.	Jackdaw	8	0	0	0	0	0	126	4	138	130	8	47 (29 Oct)	48	13	24 Apr	10 Nov
62.	Carrion Crow	14	3	0	0	3	3	28	2	53	36	17	11 (27 Apr)	48	13	24 Apr	9 Nov
63.	Coal Tit	0	0	0	0	0	0	119	7	126	126	0	81 (18 Oct)	22	6	18 Oct	9 Nov
64.	Blue Tit	0	0	0	0	1	1	1373	4	1379	1379	0	433 (18 Oct)	52	14	25 Aug	10 Nov
65.	Great Tit	0	0	0	0	1	8	186	4	199	199	0	100 (18 Oct)	56	15	24 Aug	9 Nov
66.	Wood Lark	0	0	0	0	0	0	9	0	9	9	0	4 (24 Oct)	15	4	9 Oct	24 Oct
67.	Skylark	0	0	0	0	0	3	562	4	569	569	0	243 (29 Oct)	41	11	28 Sep	9 Nov
68.	Sand Martin	5	1	0	0	269	0	0	0	275	269	6	261 ( 7 Aug)	15	4	27 Apr	25 Aug
69.	Swallow	34	3	0	0	168	207	61	0	473	436	37	117 (11 Sep)	52	14	24 Apr	9 Oct
70.	House Martin	0	0	0	0	11	5	7	0	23	23	0	8 (25 Aug)	15	4	7 Aug	5 Oct
71.	Willow Warbler	0	0	0	0	0	1	0	0	1	1	0	1 ( 8 Sep)	4	1	8 Sep	8 Sep
72.	Chiffchaff	0	0	0	0	0	7	11	0	18	18	0	5 ( 5 Oct)	30	8	8 Sep	28 Oct
73.	Goldcrest	0	0	0	0	0	0	4	0	4	4	0	3 ( 9 Oct)	7	2	9 Oct	28 Oct
74.	Short-toed Tree Creeper	0	0	0	0	0	0	1	0	1	1	0	1 ( 5 Oct)	4	1	5 Oct	5 Oct
75.	Starling	1	0	0	0	245	192	11896	641	12975	12974	1	3632 (28 Oct)	78	21	27 Apr	10 Nov
76.	Song Thrush	0	0	0	0	0	3	339	0	342	342	0	114 ( 9 Oct)	48	13	23 Sep	30 Oct
77.	Mistle Thrush	0	0	0	0	0	0	29	0	29	29	0	10 (24 Oct)	26	7	5 Oct	29 Oct
78.	Redwing	0	0	0	0	0	0	3571	225	3796	3796	0	2515 (29 Oct)	44	12	2 Oct	10 Nov
79.	Blackbird	0	0	0	0	0	8	66	4	78	78	0	31 (29 Oct)	48	13	23 Sep	10 Nov
80.	Fieldfare	0	0	0	0	0	0	74	118	192	192	0	66 (10 Nov)	22	6	23 Oct	10 Nov
81.	Ring Ouzel	3	0	0	0	0	0	2	0	5	2	3	3 (24 Apr)	11	3	24 Apr	30 Oct
82.	Whinchat	0	0	0	0	1	0	0	0	1	1	0	1 (25 Aug)	4	1	25 Aug	25 Aug
83.	Tree Sparrow	0	0	0	0	0	0	12	0	12	12	0	5 ( 9 Oct)	11	3	9 Oct	23 Oct
84.	Dunnock	0	0	0	0	1	10	34	0	45	45	0	10 ( 5 Oct)	48	13	28 Aug	28 Oct
85.	Blue-headed Wagtail	0	0	0	0	0	1	0	0	1	1	0	1 ( 8 Sep)	4	1	8 Sep	8 Sep
86.	Yellow wagtail sp.	5	2	0	0	16	3	0	0	26	19	7	7 (24 Aug)	33	9	24 Apr	17 Sep
87.	Grey Wagtail	0	0	0	0	0	2	18	0	20	20	0	8 ( 5 Oct)	30	8	28 Sep	29 Oct
88.	White Wagtail	0	0	0	0	0	4	0	0	4	4	0	3 (28 Sep)	7	2	23 Sep	28 Sep
89.	alba wagtail sp.	8	1	0	0	2	1	25	0	37	28	9	8 ( 2 Oct)	52	14	24 Apr	29 Oct
90.	Meadow Pipit	202	5	0	0	0	266	1565	18	2056	1849	207	782 ( 2 Oct)	78	21	24 Apr	10 Nov
	Species	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
91.	Tree Pipit	0	0	0	0	7	1	0	0	8	8	0	4 (24 Aug)	15	4	24 Aug	28 Sep
92.	Rock Pipit	0	0	0	0	0	0	2	0	2	2	0	1 (18 Oct)	7	2	18 Oct	28 Oct
93.	Chaffinch	4	2	0	0	0	69	9024	422	9521	9515	6	1858 (28 Oct)	81	22	24 Apr	10 Nov
94.	Brambling	0	0	0	0	0	0	1053	86	1139	1139	0	350 (28 Oct)	44	12	2 Oct	10 Nov
95.	Hawfinch	0	0	0	0	0	0	3	0	3	3	0	1 ( 2 Oct)	11	3	2 Oct	28 Oct
96.	Greenfinch	2	0	0	0	9	28	40	0	79	77	2	17 ( 2 Oct)	56	15	27 Apr	28 Oct
97.	Linnet	2	0	0	0	7	22	116	0	147	145	2	33 ( 2 Oct)	48	13	24 Apr	29 Oct
98.	Crossbill	0	0	0	0	0	0	10	0	10	10	0	6 (27 Oct)	7	2	18 Oct	27 Oct
99.	Goldfinch	0	0	0	0	5	3	74	2	84	84	0	42 (18 Oct)	56	15	7 Aug	9 Nov
100.	Siskin	0	0	0	0	9	13	1377	16	1415	1415	0	257 (16 Oct)	63	17	24 Aug	10 Nov
101.	Reed Bunting	2	0	0	0	0	3	43	6	54	52	2	14 (29 Oct)	56	15	27 Apr	10 Nov
	Other species
	Species	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Small Tortoiseshell	0	0	0	0	1	0	0	0	1	1	0	1 (25 Aug)	4	1	25 Aug	25 Aug
2.	European Peacock	0	0	0	0	0	0	1	0	1	1	0	1 (28 Oct)	4	1	28 Oct	28 Oct
3.	white sp. (butterfly)	0	0	0	0	0	2	0	0	2	2	0	2 ( 8 Sep)	4	1	8 Sep	8 Sep
4.	Red Admiral	0	0	0	0	2	1	1	0	4	4	0	2 ( 7 Aug)	11	3	7 Aug	28 Oct
	Other species
	Species	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Darter unknown	0	0	0	0	0	0	7	0	7	7	0	4 (28 Oct)	15	4	2 Oct	28 Oct
	Species	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
	Totals	482	1134	0	0	1258	1868	41564	2554	48860	47021	1839		100	27
	Observation hours	4:00	2:00	0:00	0:00	11:52	12:00	31:05	3:45	64:42

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Totals Slikken van de Heen 2021