Totals Slikken van de Heen 2023

Year
Period
count-field
Also present

	Species	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Dark-bellied Brent Goose	0	0	0	0	0	0	0	45	45	45	0	16 (8 Oct)	16	4	4 Oct	24 Oct
2.	Canada Goose	0	0	0	0	0	22	46	25	93	93	0	25 (26 Oct)	28	7	17 Aug	26 Oct
3.	Barnacle Goose	23	0	0	0	0	0	223	215	461	375	86	95 (5 Oct)	64	16	11 Mar	18 Oct
4.	Greylag Goose	17	0	0	0	0	0	143	550	710	681	29	146 (18 Oct)	60	15	11 Mar	24 Oct
5.	Tundra Bean Goose	0	0	0	0	0	0	0	20	20	10	10	10 (18 Oct)	12	3	17 Oct	26 Oct
6.	Eurasian White-fronted Goose	43	0	0	0	0	0	0	646	689	640	49	419 (17 Oct)	24	6	11 Mar	26 Oct
7.	Mute Swan	0	0	0	0	0	0	18	0	18	18	0	16 (22 Sep)	8	2	22 Sep	29 Sep
8.	Egyptian Goose	0	0	0	0	0	0	5	0	5	5	0	5 (27 Sep)	4	1	27 Sep	27 Sep
9.	Shelduck	0	0	0	0	0	0	9	18	27	15	12	8 (18 Oct)	36	9	17 Sep	18 Oct
10.	Garganey	0	0	0	0	0	0	1	0	1	1	0	1 (17 Sep)	4	1	17 Sep	17 Sep
11.	Shoveler	0	0	0	0	0	1	16	0	17	0	17	9 (17 Sep)	16	4	17 Aug	27 Sep
12.	Gadwall	0	0	0	0	0	20	48	10	78	35	43	43 (27 Sep)	28	7	17 Aug	24 Oct
13.	Wigeon	0	0	0	0	0	0	16	232	248	238	10	186 (24 Oct)	36	9	3 Sep	24 Oct
14.	Pintail	0	0	0	0	0	0	198	88	286	271	15	67 (22 Sep)	64	16	3 Sep	24 Oct
15.	Teal	0	0	0	0	0	0	8	1	9	9	0	6 (25 Sep)	12	3	25 Sep	8 Oct
16.	Pochard	0	0	0	0	0	0	3	0	3	0	3	3 (17 Sep)	4	1	17 Sep	17 Sep
17.	Tufted Duck	0	0	0	0	0	0	2	0	2	2	0	1 (27 Sep)	8	2	27 Sep	29 Sep
18.	Goosander	0	0	0	0	0	0	0	2	2	0	2	2 (8 Oct)	4	1	8 Oct	8 Oct
19.	Red-breasted Merganser	0	0	0	0	0	0	3	5	8	8	0	5 (24 Oct)	12	3	20 Sep	24 Oct
20.	Swift	0	0	0	0	54	0	1	0	55	55	0	54 (17 Jul)	8	2	17 Jul	22 Sep
21.	Stock Dove	15	0	0	0	0	41	647	74	777	762	15	247 (25 Sep)	96	24	11 Mar	26 Oct
22.	Woodpigeon	18	0	0	0	0	3	703	1130	1854	1836	18	485 (18 Oct)	96	24	11 Mar	26 Oct
23.	Collared Dove	0	0	0	0	0	0	10	0	10	10	0	3 (6 Sep)	16	4	6 Sep	27 Sep
24.	Oystercatcher	0	0	0	0	9	0	0	0	9	9	0	9 (17 Jul)	4	1	17 Jul	17 Jul
25.	Golden Plover	0	0	0	0	0	13	4614	1438	6065	6035	30	1233 (4 Oct)	72	18	17 Aug	24 Oct
26.	Ringed Plover	0	0	0	0	0	0	2	5	7	7	0	5 (4 Oct)	8	2	4 Sep	4 Oct
27.	Little Ringed Plover	0	0	0	0	0	0	1	0	1	1	0	1 (6 Sep)	4	1	6 Sep	6 Sep
28.	Lapwing	0	0	0	0	0	305	1167	1112	2584	2552	32	468 (4 Oct)	76	19	26 Aug	24 Oct
29.	Curlew	12	0	0	0	0	0	7	11	30	18	12	12 (11 Mar)	36	9	11 Mar	24 Oct
30.	Bar-tailed Godwit	0	0	0	0	0	0	0	6	6	6	0	6 (24 Oct)	4	1	24 Oct	24 Oct
	Species	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
31.	Black-tailed Godwit	23	0	0	0	0	0	0	0	23	0	23	23 (11 Mar)	4	1	11 Mar	11 Mar
32.	Snipe	0	0	0	0	0	1	51	13	65	40	25	13 (17 Sep)	56	14	26 Aug	18 Oct
33.	Common Sandpiper	0	0	0	0	0	0	1	0	1	1	0	1 (20 Sep)	4	1	20 Sep	20 Sep
34.	Green Sandpiper	0	0	0	0	0	0	2	1	3	3	0	1 (25 Sep)	12	3	25 Sep	18 Oct
35.	Greenshank	0	0	0	0	0	0	2	0	2	2	0	2 (4 Sep)	4	1	4 Sep	4 Sep
36.	Ruff	5	0	0	0	0	0	10	0	15	4	11	6 (4 Sep)	12	3	11 Mar	29 Sep
37.	Caspian Tern	0	0	0	0	0	0	2	0	2	2	0	2 (17 Sep)	4	1	17 Sep	17 Sep
38.	Arctic Tern	0	0	0	0	0	0	1	0	1	1	0	1 (4 Sep)	4	1	4 Sep	4 Sep
39.	Common Tern	0	0	0	0	3	15	1	0	19	16	3	11 (26 Aug)	16	4	17 Jul	13 Sep
40.	Black-headed Gull	37	0	0	0	0	8	22	23	90	53	37	37 (11 Mar)	32	8	11 Mar	18 Oct
41.	Mediterranean Gull	6	0	0	0	0	0	0	0	6	0	6	6 (11 Mar)	4	1	11 Mar	11 Mar
42.	Common Gull	2	0	0	0	0	0	18	35	55	53	2	18 (5 Oct)	40	10	11 Mar	24 Oct
43.	Herring Gull	9	0	0	0	0	3	40	26	78	69	9	12 (25 Sep)	64	16	11 Mar	24 Oct
44.	Great Black-backed Gull	0	0	0	0	0	0	3	1	4	4	0	2 (20 Sep)	12	3	20 Sep	24 Oct
45.	Lesser Black-backed Gull	3	0	0	0	0	9	33	15	60	57	3	10 (3 Sep)	52	13	11 Mar	17 Oct
46.	Cormorant	8	0	0	0	0	5	1060	591	1664	1633	31	366 (27 Sep)	72	18	11 Mar	24 Oct
47.	Spoonbill	0	0	0	0	0	0	285	43	328	292	36	105 (24 Sep)	40	10	3 Sep	17 Oct
48.	Little Egret	0	0	0	0	0	0	0	5	5	1	4	4 (18 Oct)	8	2	4 Oct	18 Oct
49.	Cattle Egret	0	0	0	0	0	0	20	3	23	23	0	13 (20 Sep)	16	4	20 Sep	8 Oct
50.	Great White Egret	0	0	0	0	0	1	25	25	51	51	0	18 (18 Oct)	44	11	17 Aug	18 Oct
51.	Grey Heron	1	0	0	0	0	5	39	6	51	45	6	8 (3 Sep)	44	11	11 Mar	17 Oct
52.	Osprey	0	0	0	0	0	0	2	1	3	3	0	1 (15 Sep)	12	3	15 Sep	18 Oct
53.	Honey Buzzard	0	0	0	0	0	0	1	0	1	1	0	1 (13 Sep)	4	1	13 Sep	13 Sep
54.	Sparrowhawk	1	0	0	0	0	0	20	29	50	49	1	18 (18 Oct)	56	14	11 Mar	24 Oct
55.	Marsh Harrier	0	0	0	0	0	1	52	3	56	55	1	22 (27 Sep)	40	10	26 Aug	24 Oct
56.	Hen Harrier	0	0	0	0	0	0	0	2	2	2	0	1 (8 Oct)	8	2	8 Oct	18 Oct
57.	White-tailed Eagle	0	0	0	0	0	0	1	0	1	1	0	1 (15 Sep)	4	1	15 Sep	15 Sep
58.	Common Buzzard	0	0	0	0	0	0	30	52	82	82	0	22 (18 Oct)	40	10	6 Sep	18 Oct
59.	Great Spotted Woodpecker	0	0	0	0	0	0	33	11	44	44	0	7 (27 Sep)	64	16	4 Sep	18 Oct
60.	Kestrel	0	0	0	0	0	0	3	3	6	6	0	2 (18 Oct)	20	5	6 Sep	18 Oct
	Species	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
61.	Merlin	0	0	0	0	0	0	2	2	4	4	0	1 (24 Sep)	16	4	24 Sep	8 Oct
62.	Peregrine	0	0	0	0	0	0	1	2	3	3	0	2 (24 Oct)	8	2	15 Sep	24 Oct
63.	Jay	0	0	0	0	0	0	154	39	193	188	5	41 (27 Sep)	72	18	3 Sep	24 Oct
64.	Jackdaw	7	0	0	0	0	0	63	973	1043	1034	9	705 (18 Oct)	48	12	11 Mar	24 Oct
65.	Rook	0	0	0	0	0	0	1	0	1	1	0	1 (27 Sep)	4	1	27 Sep	27 Sep
66.	Carrion Crow	2	0	0	0	0	0	41	10	53	51	2	22 (24 Sep)	44	11	11 Mar	24 Oct
67.	Coal Tit	0	0	0	0	0	0	0	2	2	2	0	2 (17 Oct)	4	1	17 Oct	17 Oct
68.	Blue Tit	0	0	0	0	0	0	118	72	190	190	0	50 (24 Sep)	76	19	3 Sep	26 Oct
69.	Great Tit	0	0	0	0	0	0	347	139	486	486	0	105 (24 Sep)	76	19	3 Sep	26 Oct
70.	Wood Lark	4	0	0	0	0	0	5	16	25	20	5	14 (17 Oct)	28	7	11 Mar	26 Oct
71.	Skylark	2	0	0	0	0	0	5	470	477	475	2	304 (17 Oct)	40	10	11 Mar	26 Oct
72.	Sand Martin	0	0	0	0	16	67	4	0	87	87	0	67 (26 Aug)	16	4	17 Jul	25 Sep
73.	Swallow	0	0	0	0	0	88	990	12	1090	1090	0	320 (25 Sep)	72	18	17 Aug	8 Oct
74.	House Martin	0	0	0	0	3	23	78	0	104	104	0	23 (26 Aug)	36	9	17 Jul	27 Sep
75.	Long-tailed Tit	0	0	0	0	0	0	5	0	5	5	0	5 (6 Sep)	4	1	6 Sep	6 Sep
76.	Willow Warbler	0	0	0	0	0	2	1	1	4	4	0	2 (17 Aug)	12	3	17 Aug	8 Oct
77.	Chiffchaff	0	0	0	0	0	0	30	0	30	30	0	6 (6 Sep)	40	10	3 Sep	30 Sep
78.	Blackcap	0	0	0	0	0	0	13	0	13	13	0	4 (4 Sep)	20	5	4 Sep	27 Sep
79.	Lesser Whitethroat	0	0	0	0	0	0	1	0	1	1	0	1 (3 Sep)	4	1	3 Sep	3 Sep
80.	Goldcrest	0	0	0	0	0	0	0	4	4	4	0	4 (26 Oct)	4	1	26 Oct	26 Oct
81.	Starling	172	0	0	0	0	13	3135	2495	5815	5639	176	884 (17 Oct)	92	23	11 Mar	26 Oct
82.	Song Thrush	8	0	0	0	0	0	50	1299	1357	1349	8	656 (17 Oct)	56	14	11 Mar	26 Oct
83.	Mistle Thrush	0	0	0	0	0	0	0	9	9	9	0	4 (17 Oct)	12	3	8 Oct	18 Oct
84.	Redwing	5	0	0	0	0	0	0	3205	3210	3205	5	2095 (17 Oct)	24	6	11 Mar	26 Oct
85.	Blackbird	0	0	0	0	0	0	7	33	40	40	0	13 (24 Oct)	32	8	24 Sep	26 Oct
86.	Fieldfare	0	0	0	0	0	0	0	1063	1063	1063	0	567 (17 Oct)	20	5	8 Oct	26 Oct
87.	Ring Ouzel	0	0	0	0	0	0	0	3	3	3	0	3 (8 Oct)	4	1	8 Oct	8 Oct
88.	Spotted Flycatcher	0	0	0	0	0	0	4	0	4	4	0	2 (3 Sep)	12	3	3 Sep	6 Sep
89.	Robin	0	0	0	0	0	0	1	0	1	1	0	1 (30 Sep)	4	1	30 Sep	30 Sep
90.	Black Redstart	0	0	0	0	0	0	1	0	1	1	0	1 (14 Sep)	4	1	14 Sep	14 Sep
	Species	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
91.	Redstart	0	0	0	0	0	0	1	0	1	1	0	1 (4 Sep)	4	1	4 Sep	4 Sep
92.	Whinchat	0	0	0	0	0	0	1	0	1	1	0	1 (3 Sep)	4	1	3 Sep	3 Sep
93.	Tree Sparrow	0	0	0	0	0	0	1	3	4	4	0	3 (17 Oct)	8	2	4 Sep	17 Oct
94.	Dunnock	0	0	0	0	0	2	28	8	38	38	0	7 (24 Sep)	48	12	26 Aug	26 Oct
95.	Yellow wagtail sp.	0	0	0	0	0	10	18	0	28	28	0	7 (17 Aug)	40	10	17 Aug	30 Sep
96.	Grey Wagtail	0	0	0	0	0	0	10	2	12	12	0	2 (25 Sep)	36	9	3 Sep	17 Oct
97.	White Wagtail	0	0	0	0	0	0	16	0	16	16	0	8 (24 Sep)	20	5	3 Sep	24 Sep
98.	alba wagtail sp.	2	0	0	0	0	2	68	43	115	113	2	24 (25 Sep)	68	17	11 Mar	24 Oct
99.	Meadow Pipit	7	0	0	0	0	0	391	283	681	674	7	113 (4 Oct)	84	21	11 Mar	26 Oct
100.	Tree Pipit	0	0	0	0	0	4	10	1	15	15	0	5 (14 Sep)	24	6	17 Aug	4 Oct
101.	Rock Pipit/Water Pipit	0	0	0	0	0	0	0	1	1	1	0	1 (26 Oct)	4	1	26 Oct	26 Oct
102.	Chaffinch	5	0	0	0	0	0	264	1305	1574	1569	5	475 (17 Oct)	80	20	11 Mar	26 Oct
103.	Brambling	0	0	0	0	0	0	0	53	53	53	0	29 (8 Oct)	12	3	8 Oct	18 Oct
104.	Bullfinch	0	0	0	0	0	0	1	0	1	1	0	1 (3 Sep)	4	1	3 Sep	3 Sep
105.	Greenfinch	0	0	0	0	0	0	71	27	98	98	0	19 (24 Sep)	56	14	3 Sep	24 Oct
106.	Linnet	0	0	0	0	0	2	124	74	200	200	0	52 (25 Sep)	64	16	26 Aug	24 Oct
107.	Mealy Redpoll	0	0	0	0	0	0	0	1	1	1	0	1 (26 Oct)	4	1	26 Oct	26 Oct
108.	Crossbill	0	0	0	0	0	0	16	9	25	25	0	11 (29 Sep)	20	5	24 Sep	18 Oct
109.	Goldfinch	0	0	0	0	0	0	63	41	104	104	0	19 (24 Sep)	60	15	4 Sep	24 Oct
110.	Serin	0	0	0	0	0	0	0	2	2	2	0	1 (4 Oct)	8	2	4 Oct	24 Oct
111.	Siskin	0	0	0	0	0	0	614	930	1544	1544	0	499 (4 Oct)	56	14	20 Sep	26 Oct
112.	Yellowhammer	0	0	0	0	0	0	0	1	1	1	0	1 (18 Oct)	4	1	18 Oct	18 Oct
113.	Ortolan Bunting	0	0	0	0	0	0	1	0	1	1	0	1 (29 Sep)	4	1	29 Sep	29 Sep
114.	Reed Bunting	3	0	0	0	0	0	10	18	31	28	3	5 (18 Oct)	52	13	11 Mar	26 Oct
	Other species
	Species	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Small Tortoiseshell	0	0	0	0	0	0	2	0	2	2	0	2 (13 Sep)	4	1	13 Sep	13 Sep
2.	European Peacock	0	0	0	0	0	0	1	0	1	1	0	1 (6 Sep)	4	1	6 Sep	6 Sep
3.	white sp. (butterfly)	0	0	0	0	0	0	13	0	13	13	0	13 (6 Sep)	4	1	6 Sep	6 Sep
4.	Red Admiral	0	0	0	0	0	0	12	0	12	12	0	11 (6 Sep)	8	2	6 Sep	13 Sep
	Other species
	Species	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Darter unknown	0	0	0	0	0	0	7	0	7	7	0	6 (6 Sep)	8	2	6 Sep	17 Sep
	Other species
	Species	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Bumblebee sp.	0	0	0	0	0	0	1	0	1	1	0	1 (6 Sep)	4	1	6 Sep	6 Sep
	Species	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
	Totals	440	0	0	0	85	666	16449	19172	36812	36002	810		100	25
	Observation hours	2:00	0:00	0:00	0:00	1:00	4:00	50:35	28:15	85:50

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Totals Slikken van de Heen 2023