Totals Afsluitdijk, Den Oever 2023

Year
Period
count-field
Also present

	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Dark-bellied Brent Goose	3	0	216	10	0	0	0	7	7917	232	8385	8208	177	7248 (8 Oct)	61	19	5 Feb	25 Nov
2.	Canada Goose	0	0	0	0	0	0	0	11	0	0	11	11	0	11 (14 Sep)	3	1	14 Sep	14 Sep
3.	Barnacle Goose	2	140	1183	530	0	0	0	169	492	112	2628	641	1987	440 (22 Apr)	71	22	5 Feb	22 Nov
4.	Branta leucopsis x ?	0	0	0	0	0	0	0	0	1	0	1	1	0	1 (8 Oct)	3	1	8 Oct	8 Oct
5.	Greylag Goose	0	15	29	80	0	0	0	57	111	85	377	252	125	54 (6 May)	68	21	17 Mar	25 Nov
6.	Anser sp.	0	32	0	0	0	0	0	0	22	118	172	140	32	104 (12 Nov)	13	4	17 Mar	22 Nov
7.	Pink-footed Goose	0	0	0	0	0	0	0	0	17	0	17	17	0	17 (18 Oct)	3	1	18 Oct	18 Oct
8.	Tundra Bean Goose	0	0	0	0	0	0	0	0	15	154	169	169	0	97 (5 Nov)	19	6	21 Oct	25 Nov
9.	Eurasian White-fronted Goose	5	22	0	0	0	0	0	0	265	231	523	454	69	194 (21 Oct)	32	10	5 Feb	25 Nov
10.	Mute Swan	0	0	7	9	0	0	0	0	0	0	16	5	11	5 (5 Apr)	16	5	5 Apr	19 May
11.	Bewick's Swan	0	0	0	0	0	0	0	0	0	4	4	4	0	4 (25 Nov)	3	1	25 Nov	25 Nov
12.	Egyptian Goose	0	15	24	11	0	0	0	11	14	25	100	41	59	19 (22 Nov)	39	12	17 Mar	22 Nov
13.	Shelduck	163	5	29	47	0	0	0	55	676	576	1551	1280	271	605 (15 Oct)	94	29	5 Feb	25 Nov
14.	Shoveler	0	0	13	0	0	0	0	0	6	5	24	11	13	6 (15 Apr)	23	7	5 Apr	12 Nov
15.	Gadwall	0	0	8	12	0	0	0	6	11	9	46	26	20	12 (19 May)	35	11	22 Apr	22 Nov
16.	Wigeon	39	102	25	0	0	0	0	35	1862	378	2441	2271	170	1581 (8 Oct)	45	14	5 Feb	25 Nov
17.	Mallard	0	0	3	0	0	0	0	11	12	0	26	13	13	10 (26 Sep)	23	7	15 Apr	15 Oct
18.	Pintail	6	1	67	0	0	0	0	12	257	546	889	815	74	493 (12 Nov)	55	17	5 Feb	25 Nov
19.	Teal	3	0	8	0	0	0	0	18	44	34	107	96	11	26 (22 Nov)	45	14	5 Feb	25 Nov
20.	duck sp.	0	0	0	0	0	0	0	0	3	0	3	3	0	3 (8 Oct)	3	1	8 Oct	8 Oct
21.	Red-crested Pochard	0	0	2	0	0	0	0	0	0	0	2	0	2	2 (27 Apr)	3	1	27 Apr	27 Apr
22.	Pochard	0	0	0	0	0	0	0	52	0	0	52	1	51	51 (10 Sep)	6	2	10 Sep	14 Sep
23.	Tufted Duck	0	0	11	0	0	0	0	16	34	3	64	53	11	34 (8 Oct)	29	9	23 Apr	5 Nov
24.	Scaup	27	0	0	0	0	0	0	1	619	359	1006	979	27	598 (21 Oct)	29	9	5 Feb	25 Nov
25.	Eider	576	0	0	3	0	0	0	0	56	53	688	109	579	576 (5 Feb)	23	7	5 Feb	25 Nov
26.	Velvet Scoter	0	0	0	0	0	0	0	0	1	2	3	3	0	1 (15 Oct)	10	3	15 Oct	25 Nov
27.	Common Scoter	0	0	0	0	0	0	0	0	0	12	12	11	1	9 (25 Nov)	10	3	5 Nov	25 Nov
28.	Goldeneye	28	0	0	0	0	0	0	0	5	28	61	33	28	28 (5 Feb)	26	8	5 Feb	25 Nov
29.	Goosander	0	0	0	0	0	0	0	0	0	1	1	1	0	1 (12 Nov)	3	1	12 Nov	12 Nov
30.	Red-breasted Merganser	257	13	30	1	0	0	0	12	273	319	905	604	301	257 (5 Feb)	58	18	5 Feb	25 Nov
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
31.	Swift	0	0	74	24	0	0	0	0	0	0	98	2	96	62 (30 Apr)	19	6	22 Apr	6 May
32.	Feral Pigeon	0	0	0	0	0	0	0	6	0	0	6	6	0	6 (10 Sep)	3	1	10 Sep	10 Sep
33.	Stock Dove	0	0	4	2	0	0	0	2	0	0	8	0	8	2 (15 Apr)	16	5	15 Apr	10 Sep
34.	Woodpigeon	0	295	278	29	0	0	0	1	0	0	603	1	602	272 (17 Mar)	42	13	17 Mar	26 Sep
35.	Collared Dove	0	0	11	5	0	0	0	2	0	0	18	4	14	4 (30 Apr)	26	8	15 Apr	3 Sep
36.	Great Crested Grebe	1	0	1	0	0	0	0	21	32	88	143	141	2	36 (5 Nov)	52	16	5 Feb	25 Nov
37.	Oystercatcher	0	23	292	220	0	0	0	17	28	9	589	54	535	85 (30 Apr)	74	23	17 Mar	25 Nov
38.	Avocet	0	0	54	9	0	0	0	0	3	1	67	4	63	27 (22 Apr)	35	11	15 Apr	25 Nov
39.	Grey Plover	0	0	0	20	0	0	0	0	4	1	25	5	20	17 (4 May)	16	5	4 May	25 Nov
40.	Golden Plover	0	0	120	0	0	0	0	0	0	0	120	0	120	120 (5 Apr)	3	1	5 Apr	5 Apr
41.	Ringed Plover	0	0	8	11	0	0	0	20	1	1	41	22	19	11 (6 May)	26	8	22 Apr	5 Nov
42.	Lapwing	0	20	2	1	0	0	0	1	15	101	140	117	23	101 (5 Nov)	23	7	17 Mar	5 Nov
43.	Whimbrel	0	0	389	10	0	0	0	0	0	0	399	0	399	218 (22 Apr)	23	7	15 Apr	4 May
44.	Curlew	4	3	542	5	0	0	0	24	44	52	674	119	555	489 (22 Apr)	81	25	5 Feb	25 Nov
45.	Bar-tailed Godwit	0	0	679	333	0	0	0	0	12	0	1024	12	1012	363 (22 Apr)	29	9	14 Apr	15 Oct
46.	Black-tailed Godwit	0	33	15	4	0	0	0	25	0	0	77	25	52	25 (3 Sep)	23	7	17 Mar	3 Sep
47.	Icelandic Black-tailed Godwit	0	0	87	0	0	0	0	0	0	0	87	0	87	87 (15 Apr)	3	1	15 Apr	15 Apr
48.	Long-billed Dowitcher	0	0	1	0	0	0	0	0	0	0	1	0	1	1 (23 Apr)	3	1	23 Apr	23 Apr
49.	Snipe	0	1	0	0	0	0	0	0	5	2	8	3	5	4 (8 Oct)	13	4	26 Mar	12 Nov
50.	Grey Phalarope	0	0	0	0	0	0	0	0	0	4	4	4	0	3 (25 Nov)	6	2	5 Nov	25 Nov
51.	Common Sandpiper	0	0	0	0	0	0	0	0	1	0	1	1	0	1 (8 Oct)	3	1	8 Oct	8 Oct
52.	Green Sandpiper	0	0	11	3	0	0	0	0	0	0	14	0	14	8 (22 Apr)	19	6	15 Apr	4 May
53.	Wood Sandpiper	0	0	0	5	0	0	0	0	0	0	5	0	5	5 (4 May)	3	1	4 May	4 May
54.	Redshank	1	0	205	48	0	0	0	1	2	0	257	3	254	157 (23 Apr)	42	13	5 Feb	21 Oct
55.	Spotted Redshank	0	0	22	0	0	0	0	0	0	0	22	0	22	18 (23 Apr)	6	2	22 Apr	23 Apr
56.	Greenshank	0	0	36	5	0	0	0	3	0	0	44	3	41	24 (23 Apr)	23	7	22 Apr	14 Sep
57.	Turnstone	0	0	30	0	0	0	0	11	6	30	77	47	30	30 (25 Nov)	26	8	22 Apr	25 Nov
58.	Knot	0	0	60	63	0	0	0	3	25	26	177	54	123	63 (4 May)	32	10	5 Apr	25 Nov
59.	Ruff	0	0	23	7	0	0	0	0	0	0	30	0	30	12 (22 Apr)	13	4	22 Apr	4 May
60.	wader sp.	0	0	35	0	0	0	0	9	15	0	59	24	35	35 (27 Apr)	13	4	27 Apr	8 Oct
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
61.	Sanderling	0	0	0	0	0	0	0	11	1	0	12	12	0	10 (14 Sep)	10	3	10 Sep	2 Oct
62.	Dunlin	22	8	0	11	0	0	0	20	548	275	884	843	41	509 (15 Oct)	48	15	5 Feb	25 Nov
63.	Little Stint	0	0	0	0	0	0	0	0	3	0	3	3	0	3 (15 Oct)	3	1	15 Oct	15 Oct
64.	Black Tern	0	0	102	4	0	0	0	4	0	0	110	4	106	80 (30 Apr)	19	6	23 Apr	15 Sep
65.	Arctic Tern	0	0	0	0	0	0	0	0	3	2	5	5	0	3 (15 Oct)	10	3	15 Oct	12 Nov
66.	Common/Arctic Tern	0	0	0	0	0	0	0	0	8	0	8	8	0	8 (15 Oct)	3	1	15 Oct	15 Oct
67.	Common Tern	0	0	157	72	0	0	0	7	3	0	239	10	229	68 (23 Apr)	45	14	14 Apr	15 Oct
68.	Sandwich Tern	0	0	2	4	0	0	0	14	0	1	21	15	6	7 (10 Sep)	19	6	15 Apr	25 Nov
69.	Little Gull	0	0	1479	281	0	0	0	1	2	95	1858	98	1760	432 (22 Apr)	48	15	5 Apr	25 Nov
70.	Kittiwake	0	0	0	0	0	0	0	0	0	9	9	9	0	9 (25 Nov)	3	1	25 Nov	25 Nov
71.	Black-headed Gull	417	47	384	39	0	0	0	12	1101	734	2734	1847	887	560 (8 Oct)	74	23	5 Feb	25 Nov
72.	Mediterranean Gull	0	2	21	0	0	0	0	0	0	0	23	4	19	11 (23 Apr)	19	6	26 Mar	30 Apr
73.	Common Gull	46	0	23	0	0	0	0	4	111	285	469	400	69	147 (25 Nov)	48	15	5 Feb	25 Nov
74.	Caspian Gull	1	0	1	0	0	0	0	0	0	1	3	1	2	1 (5 Feb)	10	3	5 Feb	12 Nov
75.	Herring Gull	41	0	43	0	0	0	0	5	113	98	300	216	84	91 (15 Oct)	52	16	5 Feb	25 Nov
76.	Great Black-backed Gull	14	0	0	0	0	0	0	0	21	19	54	40	14	16 (15 Oct)	29	9	5 Feb	25 Nov
77.	Lesser Black-backed Gull	6	0	112	21	0	0	0	1	27	8	175	36	139	47 (15 Apr)	48	15	5 Feb	25 Nov
78.	Long-tailed Skua	0	0	0	0	0	0	0	0	1	0	1	1	0	1 (15 Oct)	3	1	15 Oct	15 Oct
79.	Arctic Skua	0	0	0	0	0	0	0	0	4	0	4	4	0	4 (15 Oct)	3	1	15 Oct	15 Oct
80.	Pomarine Skua	0	0	0	0	0	0	0	0	1	0	1	1	0	1 (15 Oct)	3	1	15 Oct	15 Oct
81.	Razorbill	0	0	0	0	0	0	0	0	5	2	7	6	1	4 (21 Oct)	10	3	15 Oct	5 Nov
82.	Razorbill/Guillemot	0	0	0	0	0	0	0	1	3	0	4	2	2	2 (15 Oct)	10	3	23 Sep	21 Oct
83.	Guillemot	0	0	0	0	0	0	0	1	0	1	2	2	0	1 (26 Sep)	6	2	26 Sep	5 Nov
84.	Red-throated Diver	0	0	0	0	0	0	0	0	0	4	4	4	0	4 (5 Nov)	3	1	5 Nov	5 Nov
85.	Black-throated Diver	0	0	0	0	0	0	0	0	1	1	2	1	1	1 (15 Oct)	6	2	15 Oct	5 Nov
86.	diver sp.	0	0	0	0	0	0	0	0	0	1	1	1	0	1 (25 Nov)	3	1	25 Nov	25 Nov
87.	storm-petrel sp.	0	0	0	0	0	0	0	0	1	0	1	1	0	1 (15 Oct)	3	1	15 Oct	15 Oct
88.	Leach's Petrel	0	0	0	0	0	0	0	0	3	0	3	3	0	3 (15 Oct)	3	1	15 Oct	15 Oct
89.	Fulmar	1	0	0	0	0	0	0	0	0	0	1	0	1	1 (5 Feb)	3	1	5 Feb	5 Feb
90.	Cormorant	4	0	73	23	0	0	0	36	208	55	399	299	100	92 (8 Oct)	55	17	5 Feb	25 Nov
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
91.	Spoonbill	0	0	17	0	0	0	0	79	232	0	328	311	17	232 (8 Oct)	23	7	5 Apr	8 Oct
92.	Cattle Egret	0	0	0	5	0	0	0	0	0	0	5	0	5	5 (6 May)	3	1	6 May	6 May
93.	Great White Egret	0	1	6	3	0	0	0	0	9	6	25	15	10	5 (21 Oct)	35	11	26 Mar	12 Nov
94.	Grey Heron	0	0	29	6	0	0	0	22	86	6	149	114	35	71 (8 Oct)	55	17	5 Apr	22 Nov
95.	Osprey	0	0	1	1	0	0	0	0	0	0	2	0	2	1 (23 Apr)	6	2	23 Apr	6 May
96.	Honey Buzzard	0	0	0	1	0	0	0	0	0	0	1	0	1	1 (6 May)	3	1	6 May	6 May
97.	Sparrowhawk	0	1	10	7	0	0	0	1	3	1	23	5	18	3 (23 Apr)	42	13	26 Mar	22 Nov
98.	Marsh Harrier	0	0	13	13	0	0	0	1	2	0	29	2	27	5 (1 May)	39	12	5 Apr	21 Oct
99.	Hen Harrier	0	0	1	0	0	0	0	0	0	3	4	3	1	2 (22 Nov)	10	3	27 Apr	22 Nov
100.	Hen/Montagu's/Pallid Harrier	0	0	0	1	0	0	0	0	0	0	1	0	1	1 (6 May)	3	1	6 May	6 May
101.	Common Buzzard	0	0	0	2	0	0	0	0	5	0	7	4	3	5 (21 Oct)	6	2	6 May	21 Oct
102.	raptor sp.	0	0	1	0	0	0	0	0	0	0	1	0	1	1 (27 Apr)	3	1	27 Apr	27 Apr
103.	Short-eared Owl	0	0	2	0	0	0	0	0	0	0	2	0	2	2 (23 Apr)	3	1	23 Apr	23 Apr
104.	Great Spotted Woodpecker	0	0	1	0	0	0	0	0	0	0	1	0	1	1 (22 Apr)	3	1	22 Apr	22 Apr
105.	Kestrel	0	0	5	1	0	0	0	8	1	1	16	10	6	4 (10 Sep)	35	11	22 Apr	12 Nov
106.	Merlin	0	0	1	3	0	0	0	1	4	1	10	6	4	2 (6 May)	26	8	15 Apr	25 Nov
107.	Hobby	0	0	0	1	0	0	0	2	0	0	3	2	1	1 (19 May)	10	3	19 May	26 Sep
108.	Peregrine	0	0	0	0	0	0	0	1	1	0	2	2	0	1 (14 Sep)	6	2	14 Sep	21 Oct
109.	Jay	0	0	1	7	0	0	0	0	0	0	8	0	8	7 (19 May)	6	2	15 Apr	19 May
110.	Magpie	0	10	49	16	0	0	0	0	0	0	75	0	75	15 (15 Apr)	32	10	26 Mar	6 May
111.	Jackdaw	0	70	64	42	0	0	0	0	36	5	217	36	181	45 (17 Mar)	55	17	17 Mar	12 Nov
112.	Rook	0	0	0	0	0	0	0	0	0	2	2	2	0	2 (12 Nov)	3	1	12 Nov	12 Nov
113.	Carrion Crow	0	3	75	51	0	0	0	0	2	4	135	6	129	31 (6 May)	52	16	17 Mar	22 Nov
114.	Blue Tit	0	0	0	0	0	0	0	0	7	1	8	8	0	7 (2 Oct)	6	2	2 Oct	12 Nov
115.	Great Tit	0	0	2	0	0	0	0	0	0	0	2	0	2	2 (15 Apr)	3	1	15 Apr	15 Apr
116.	Wood Lark	0	1	0	0	0	0	0	0	0	0	1	0	1	1 (17 Mar)	3	1	17 Mar	17 Mar
117.	Skylark	0	0	0	0	0	0	0	0	826	42	868	868	0	792 (8 Oct)	19	6	8 Oct	22 Nov
118.	Shore Lark	0	0	0	0	0	0	0	0	0	1	1	1	0	1 (5 Nov)	3	1	5 Nov	5 Nov
119.	Sand Martin	0	0	60	23	0	0	0	1	0	0	84	4	80	26 (15 Apr)	32	10	15 Apr	15 Sep
120.	Swallow	0	0	171	141	0	0	0	247	0	0	559	278	281	110 (15 Sep)	48	15	14 Apr	26 Sep
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
121.	House Martin	0	0	3	8	0	0	0	1	0	0	12	1	11	4 (19 May)	23	7	15 Apr	3 Sep
122.	Goldcrest	0	0	0	0	0	0	0	0	3	1	4	4	0	1 (8 Oct)	13	4	8 Oct	5 Nov
123.	Starling	0	1243	105	2	0	0	0	6641	6701	362998	377690	375597	2093	172647 (5 Nov)	68	21	17 Mar	25 Nov
124.	Song Thrush	0	0	5	0	0	0	0	0	59	2	66	61	5	32 (21 Oct)	26	8	22 Apr	5 Nov
125.	Mistle Thrush	0	18	2	0	0	0	0	0	0	0	20	0	20	18 (17 Mar)	6	2	17 Mar	23 Apr
126.	Redwing	0	3	0	0	0	0	0	0	39	0	42	42	0	32 (8 Oct)	13	4	17 Mar	21 Oct
127.	Blackbird	0	0	0	0	0	0	0	0	1	3	4	4	0	2 (12 Nov)	10	3	8 Oct	12 Nov
128.	Fieldfare	0	10	6	0	0	0	0	0	0	1	17	1	16	10 (17 Mar)	16	5	17 Mar	5 Nov
129.	Ring Ouzel	0	0	1	0	0	0	0	0	0	0	1	0	1	1 (27 Apr)	3	1	27 Apr	27 Apr
130.	Robin	0	0	0	0	0	0	0	0	3	0	3	3	0	2 (8 Oct)	6	2	8 Oct	21 Oct
131.	Wheatear	0	0	0	0	0	0	0	2	1	0	3	2	1	1 (10 Sep)	10	3	10 Sep	8 Oct
132.	Tree Sparrow	0	0	1	0	0	0	0	0	0	1	2	1	1	1 (23 Apr)	6	2	23 Apr	12 Nov
133.	House Sparrow	0	0	2	0	0	0	0	0	0	0	2	0	2	2 (15 Apr)	3	1	15 Apr	15 Apr
134.	Dunnock	0	1	0	0	0	0	0	0	0	1	2	1	1	1 (17 Mar)	6	2	17 Mar	5 Nov
135.	Blue-headed Wagtail	0	0	10	1	0	0	0	33	0	0	44	33	11	17 (14 Sep)	23	7	14 Apr	15 Sep
136.	Yellow wagtail sp.	0	0	29	16	0	0	0	56	0	0	101	10	91	56 (10 Sep)	26	8	15 Apr	10 Sep
137.	Grey Wagtail	0	1	0	0	0	0	0	2	14	0	17	15	2	6 (8 Oct)	23	7	17 Mar	21 Oct
138.	White Wagtail	0	6	3	0	0	0	0	48	13	1	71	62	9	22 (15 Sep)	39	12	17 Mar	22 Nov
139.	alba wagtail sp.	0	0	8	1	0	0	0	0	3	1	13	4	9	4 (15 Apr)	19	6	15 Apr	12 Nov
140.	Richard's Pipit	0	0	0	0	0	0	0	0	0	2	2	2	0	2 (12 Nov)	3	1	12 Nov	12 Nov
141.	Meadow Pipit	0	25	3382	28	0	0	0	1141	930	49	5555	2114	3441	3142 (15 Apr)	87	27	17 Mar	22 Nov
142.	Tree Pipit	0	0	35	3	0	0	0	1	0	1	40	2	38	17 (22 Apr)	29	9	15 Apr	12 Nov
143.	Rock Pipit	0	0	0	0	0	0	0	0	55	4	59	59	0	27 (15 Oct)	29	9	2 Oct	22 Nov
144.	Chaffinch	0	6	15	0	0	0	0	0	164	40	225	205	20	116 (21 Oct)	35	11	17 Mar	5 Nov
145.	Brambling	0	0	1	0	0	0	0	0	4	2	7	6	1	2 (18 Oct)	19	6	27 Apr	12 Nov
146.	Hawfinch	0	0	2	0	0	0	0	0	0	0	2	0	2	2 (5 Apr)	3	1	5 Apr	5 Apr
147.	Greenfinch	0	2	5	1	0	0	0	0	0	3	11	3	8	3 (15 Apr)	19	6	17 Mar	12 Nov
148.	Twite	0	0	0	0	0	0	0	0	0	25	25	25	0	25 (5 Nov)	3	1	5 Nov	5 Nov
149.	Linnet	0	2	76	4	0	0	0	8	27	0	117	36	81	24 (30 Apr)	45	14	26 Mar	21 Oct
150.	Mealy Redpoll	0	0	0	0	0	0	0	0	0	5	5	5	0	4 (22 Nov)	6	2	12 Nov	22 Nov
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
151.	Lesser Redpoll	0	0	0	1	0	0	0	0	0	0	1	1	0	1 (6 May)	3	1	6 May	6 May
152.	Redpoll	0	0	0	0	0	0	0	0	0	38	38	38	0	38 (12 Nov)	3	1	12 Nov	12 Nov
153.	Goldfinch	0	1	14	1	0	0	0	0	0	2	18	3	15	5 (5 Apr)	26	8	17 Mar	12 Nov
154.	Serin	0	0	0	1	0	0	0	0	0	0	1	0	1	1 (6 May)	3	1	6 May	6 May
155.	Siskin	0	7	2	0	0	0	0	71	93	20	193	185	8	78 (2 Oct)	32	10	26 Mar	12 Nov
156.	Lapland Bunting	0	0	0	0	0	0	0	0	0	6	6	6	0	3 (5 Nov)	10	3	5 Nov	22 Nov
157.	Snow Bunting	0	0	0	0	0	0	0	0	1	30	31	31	0	21 (22 Nov)	10	3	18 Oct	22 Nov
158.	Yellowhammer	0	0	0	0	0	0	0	0	0	2	2	2	0	2 (5 Nov)	3	1	5 Nov	5 Nov
159.	Reed Bunting	0	1	2	1	0	0	0	2	1	3	10	6	4	2 (5 Apr)	29	9	26 Mar	12 Nov
160.	passerine sp.	0	0	0	0	0	0	0	0	1	0	1	1	0	1 (8 Oct)	3	1	8 Oct	8 Oct
	Other species
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Grey seal	0	0	0	0	0	0	0	0	1	0	1	1	0	1 (15 Oct)	3	1	15 Oct	15 Oct
	Other species
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	white sp. (butterfly)	0	0	0	0	0	0	0	1	0	0	1	0	1	1 (23 Sep)	3	1	23 Sep	23 Sep
2.	Red Admiral	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (10 Sep)	3	1	10 Sep	10 Sep
	Other species
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Bumblebee sp.	0	0	1	1	0	0	0	0	0	0	2	0	2	1 (15 Apr)	6	2	15 Apr	6 May
	Species	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
	Totals	1667	2189	11250	2355	0	0	0	9107	24402	368506	419476	401029	18447		100	31
	Observation hours	2:00	3:44	23:33	10:13	0:00	0:00	0:00	11:47	18:24	16:31	86:12

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Trektellen

Totals Afsluitdijk, Den Oever 2023