Also present

Totals Afsluitdijk, Den Oever 2025

	Species	Feb	Mar	Apr	May	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Dark-bellied Brent Goose	9	14	75	356	454	61	393	332 ( 9 May)	61	17	21 Feb	12 May
2.	Canada Goose	0	0	0	33	33	0	33	30 (24 May)	7	2	11 May	24 May
3.	Barnacle Goose	28	1485	1038	1445	3996	68	3928	779 (23 Mar)	89	25	21 Feb	24 May
4.	Greylag Goose	24	151	221	552	948	21	927	335 (12 May)	93	26	21 Feb	24 May
5.	Anser sp.	0	176	0	0	176	0	176	146 (19 Mar)	7	2	19 Mar	20 Mar
6.	Pink-footed Goose	0	15	0	0	15	0	15	15 (19 Mar)	4	1	19 Mar	19 Mar
7.	Tundra Bean Goose	2	0	0	0	2	0	2	2 (21 Feb)	4	1	21 Feb	21 Feb
8.	Mute Swan	0	0	7	25	32	2	30	19 (12 May)	18	5	7 Apr	12 May
9.	Egyptian Goose	0	20	82	7	109	2	107	23 (30 Apr)	50	14	19 Mar	11 May
10.	Shelduck	2	101	330	277	710	57	653	136 (11 May)	89	25	21 Feb	24 May
11.	Garganey	0	3	0	0	3	0	3	2 (19 Mar)	7	2	19 Mar	23 Mar
12.	Shoveler	0	130	56	8	194	0	194	100 (22 Mar)	43	12	19 Mar	12 May
13.	Gadwall	2	20	43	6	71	0	71	11 ( 2 Apr)	61	17	21 Feb	12 May
14.	Wigeon	3	60	11	0	74	0	74	32 (22 Mar)	21	6	21 Feb	7 Apr
15.	Mallard	0	0	4	2	6	0	6	2 ( 2 Apr)	14	4	2 Apr	11 May
16.	Pintail	0	2	4	1	7	0	7	4 ( 5 Apr)	11	3	22 Mar	11 May
17.	Teal	0	57	22	0	79	0	79	38 (23 Mar)	21	6	19 Mar	29 Apr
18.	Red-crested Pochard	0	4	0	0	4	0	4	4 (22 Mar)	4	1	22 Mar	22 Mar
19.	Pochard	0	1	0	0	1	0	1	1 ( 9 Mar)	4	1	9 Mar	9 Mar
20.	Tufted Duck	1	23	36	2	62	0	62	10 (23 Mar)	39	11	21 Feb	12 May
21.	Scaup	0	2	5	0	7	0	7	3 ( 5 Apr)	14	4	19 Mar	5 Apr
22.	Common Scoter	0	2	3	0	5	0	5	2 (22 Mar)	14	4	22 Mar	15 Apr
23.	Goldeneye	0	1	1	0	2	0	2	1 (22 Mar)	7	2	22 Mar	15 Apr
24.	Goosander	3	6	0	0	9	0	9	4 (23 Mar)	11	3	25 Feb	23 Mar
25.	Red-breasted Merganser	8	38	69	2	117	5	112	29 ( 2 Apr)	50	14	21 Feb	12 May
26.	Swift	0	0	66	30	96	0	96	23 (30 Apr)	36	10	23 Apr	12 May
27.	Stock Dove	9	9	11	1	30	4	26	9 (21 Feb)	39	11	21 Feb	1 May
28.	Woodpigeon	0	156	31	7	194	2	192	100 (19 Mar)	43	12	6 Mar	12 May
29.	Collared Dove	0	1	18	10	29	0	29	7 (29 Apr)	29	8	20 Mar	12 May
30.	Great Crested Grebe	1	1	22	0	24	0	24	13 ( 2 Apr)	21	6	21 Feb	26 Apr
	Species	Feb	Mar	Apr	May	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
31.	Oystercatcher	7	45	525	107	684	6	678	126 (28 Apr)	79	22	21 Feb	12 May
32.	Avocet	0	60	115	16	191	0	191	41 (19 Mar)	64	18	19 Mar	12 May
33.	Grey Plover	0	0	56	436	492	0	492	258 (11 May)	36	10	25 Apr	12 May
34.	Golden Plover	0	57	48	15	120	0	120	50 (23 Mar)	21	6	22 Mar	1 May
35.	Ringed Plover	0	63	34	862	959	0	959	431 (11 May)	36	10	19 Mar	12 May
36.	Little Ringed Plover	0	0	4	0	4	0	4	1 (23 Apr)	14	4	23 Apr	30 Apr
37.	Lapwing	49	18	2	2	71	45	26	45 (25 Feb)	29	8	21 Feb	24 May
38.	Whimbrel	0	1	318	47	366	0	366	81 (27 Apr)	71	20	23 Mar	24 May
39.	Curlew	0	16	52	4	72	6	66	24 (12 Apr)	54	15	6 Mar	1 May
40.	Bar-tailed Godwit	0	0	840	1348	2188	0	2188	950 (24 May)	43	12	23 Apr	24 May
41.	Black-tailed Godwit	0	52	1	1	54	5	49	26 (22 Mar)	21	6	6 Mar	11 May
42.	Common Sandpiper	0	0	0	5	5	0	5	5 (12 May)	4	1	12 May	12 May
43.	Green Sandpiper	0	0	9	0	9	0	9	7 (27 Apr)	11	3	27 Apr	30 Apr
44.	Wood Sandpiper	0	0	2	0	2	0	2	1 (29 Apr)	7	2	29 Apr	30 Apr
45.	Redshank	0	18	186	427	631	1	630	204 (11 May)	57	16	6 Mar	24 May
46.	Spotted Redshank	0	0	10	0	10	0	10	10 (25 Apr)	4	1	25 Apr	25 Apr
47.	Greenshank	0	0	85	16	101	0	101	36 (26 Apr)	36	10	19 Apr	12 May
48.	Turnstone	0	5	2	9	16	0	16	9 ( 1 May)	18	5	6 Mar	1 May
49.	Knot	0	692	72	86	850	0	850	670 (19 Mar)	32	9	19 Mar	12 May
50.	Ruff	0	10	124	2	136	0	136	61 (30 Apr)	39	11	9 Mar	9 May
51.	wader sp.	0	0	34	12	46	0	46	30 (30 Apr)	11	3	26 Apr	9 May
52.	Sanderling	0	0	5	121	126	0	126	48 (11 May)	21	6	30 Apr	24 May
53.	Dunlin	0	533	70	112	715	0	715	300 (19 Mar)	50	14	19 Mar	24 May
54.	Little Stint	0	0	0	1	1	0	1	1 (11 May)	4	1	11 May	11 May
55.	Calidris sp.	0	0	0	75	75	0	75	75 (11 May)	4	1	11 May	11 May
56.	Little Tern	0	0	2	0	2	0	2	2 (28 Apr)	4	1	28 Apr	28 Apr
57.	Gull-billed Tern	0	0	2	0	2	0	2	2 (12 Apr)	4	1	12 Apr	12 Apr
58.	Black Tern	0	0	41	52	93	0	93	20 (30 Apr)	32	9	15 Apr	12 May
59.	Common/Arctic Tern	0	0	2	0	2	0	2	2 (23 Apr)	4	1	23 Apr	23 Apr
60.	Common Tern	0	0	894	79	973	3	970	647 (23 Apr)	54	15	4 Apr	12 May
	Species	Feb	Mar	Apr	May	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
61.	Sandwich Tern	0	0	52	2	54	0	54	26 (23 Apr)	21	6	12 Apr	1 May
62.	Little Gull	0	0	897	322	1219	1	1218	268 (27 Apr)	50	14	12 Apr	12 May
63.	Black-headed Gull	96	5272	1035	199	6602	0	6602	3965 (23 Mar)	82	23	21 Feb	12 May
64.	Mediterranean Gull	0	3	23	1	27	2	25	10 (23 Apr)	32	9	23 Mar	12 May
65.	Common Gull	2	556	78	0	636	0	636	456 (23 Mar)	64	18	21 Feb	30 Apr
66.	Caspian Gull	0	9	1	0	10	0	10	6 (23 Mar)	11	3	22 Mar	4 Apr
67.	Herring Gull	3	54	39	0	96	0	96	44 (23 Mar)	43	12	21 Feb	30 Apr
68.	Great Black-backed Gull	0	5	11	0	16	0	16	5 (23 Mar)	25	7	23 Mar	30 Apr
69.	Lesser Black-backed Gull	4	558	167	5	734	2	732	314 (23 Mar)	82	23	21 Feb	12 May
70.	Red-throated Diver	0	2	2	0	4	0	4	1 (22 Mar)	14	4	22 Mar	12 Apr
71.	Cormorant	36	76	668	44	824	0	824	223 (30 Apr)	82	23	21 Feb	12 May
72.	Spoonbill	0	36	35	2	73	1	72	36 (23 Mar)	25	7	23 Mar	12 May
73.	Little Egret	0	1	0	0	1	1	0	1 (20 Mar)	4	1	20 Mar	20 Mar
74.	Great White Egret	1	4	23	5	33	6	27	6 ( 4 Apr)	50	14	25 Feb	12 May
75.	Grey Heron	0	66	64	21	151	0	151	51 (23 Mar)	71	20	9 Mar	12 May
76.	Osprey	0	0	1	1	2	0	2	1 (19 Apr)	7	2	19 Apr	12 May
77.	Sparrowhawk	0	3	7	0	10	0	10	3 (30 Apr)	21	6	22 Mar	30 Apr
78.	Marsh Harrier	0	8	14	21	43	0	43	8 (12 May)	54	15	19 Mar	12 May
79.	Hen Harrier	0	0	1	1	2	0	2	1 (30 Apr)	7	2	30 Apr	12 May
80.	Red Kite	0	0	1	0	1	0	1	1 (23 Apr)	4	1	23 Apr	23 Apr
81.	White-tailed Eagle	0	1	0	0	1	0	1	1 (19 Mar)	4	1	19 Mar	19 Mar
82.	Middle Spotted Woodpecker	0	0	1	0	1	0	1	1 (23 Apr)	4	1	23 Apr	23 Apr
83.	Kestrel	0	6	6	1	13	0	13	6 (23 Mar)	21	6	23 Mar	12 May
84.	Merlin	0	0	3	3	6	0	6	1 ( 5 Apr)	21	6	5 Apr	12 May
85.	Peregrine	0	0	1	0	1	0	1	1 (29 Apr)	4	1	29 Apr	29 Apr
86.	Jay	0	0	2	0	2	0	2	1 (23 Apr)	7	2	23 Apr	26 Apr
87.	Magpie	0	60	68	0	128	9	119	32 ( 4 Apr)	46	13	6 Mar	28 Apr
88.	Jackdaw	15	190	143	16	364	4	360	53 ( 6 Mar)	82	23	21 Feb	11 May
89.	Rook	0	1	1	0	2	0	2	1 (23 Mar)	7	2	23 Mar	4 Apr
90.	Carrion Crow	0	77	249	25	351	1	350	58 ( 4 Apr)	86	24	6 Mar	12 May
	Species	Feb	Mar	Apr	May	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
91.	Great Tit	0	2	0	0	2	0	2	2 ( 9 Mar)	4	1	9 Mar	9 Mar
92.	Skylark	26	15	1	0	42	0	42	26 (21 Feb)	14	4	21 Feb	4 Apr
93.	Sand Martin	0	1	46	9	56	3	53	25 (15 Apr)	46	13	22 Mar	12 May
94.	Swallow	0	0	168	277	445	6	439	118 (12 May)	64	18	2 Apr	24 May
95.	House Martin	0	0	4	16	20	0	20	9 (11 May)	18	5	23 Apr	12 May
96.	Goldcrest	0	5	0	0	5	2	3	3 (22 Mar)	7	2	22 Mar	23 Mar
97.	Starling	44	6438	76	4	6562	34	6528	4620 (22 Mar)	79	22	21 Feb	9 May
98.	Song Thrush	0	0	2	0	2	0	2	2 (12 Apr)	4	1	12 Apr	12 Apr
99.	Blackbird	0	1	1	0	2	0	2	1 (23 Mar)	7	2	23 Mar	30 Apr
100.	Fieldfare	0	2	0	0	2	0	2	2 ( 9 Mar)	4	1	9 Mar	9 Mar
101.	Blue-headed Wagtail	0	0	10	0	10	0	10	7 (12 Apr)	11	3	4 Apr	12 Apr
102.	Grey-headed Wagtail	0	0	0	9	9	0	9	9 ( 9 May)	4	1	9 May	9 May
103.	Yellow wagtail sp.	0	0	48	169	217	0	217	126 (12 May)	43	12	12 Apr	12 May
104.	Grey Wagtail	0	5	0	0	5	0	5	3 (22 Mar)	7	2	22 Mar	23 Mar
105.	White Wagtail	3	136	82	0	221	0	221	77 (22 Mar)	64	18	21 Feb	30 Apr
106.	alba wagtail sp.	0	33	7	0	40	0	40	33 (23 Mar)	21	6	23 Mar	30 Apr
107.	Pied Wagtail	0	1	0	0	1	0	1	1 (23 Mar)	4	1	23 Mar	23 Mar
108.	Meadow Pipit	14	340	1466	5	1825	0	1825	521 ( 4 Apr)	89	25	21 Feb	12 May
109.	Tree Pipit	0	0	9	4	13	0	13	4 (15 Apr)	29	8	12 Apr	12 May
110.	Rock Pipit	2	18	8	0	28	0	28	8 (23 Mar)	36	10	21 Feb	12 Apr
111.	Chaffinch	0	20	1	0	21	1	20	16 ( 9 Mar)	14	4	9 Mar	4 Apr
112.	Brambling	0	0	4	0	4	0	4	3 ( 4 Apr)	7	2	4 Apr	12 Apr
113.	Greenfinch	0	5	7	1	13	0	13	4 (22 Mar)	32	9	19 Mar	1 May
114.	Linnet	0	19	279	18	316	0	316	55 (27 Apr)	75	21	20 Mar	12 May
115.	Goldfinch	0	4	14	4	22	1	21	3 (12 Apr)	54	15	9 Mar	12 May
116.	Siskin	0	4	3	0	7	0	7	4 (23 Mar)	11	3	23 Mar	27 Apr
117.	Lapland Bunting	0	1	0	0	1	0	1	1 (22 Mar)	4	1	22 Mar	22 Mar
118.	Reed Bunting	0	5	2	1	8	0	8	3 ( 9 Mar)	21	6	6 Mar	11 May
119.	passerine sp.	0	0	1	0	1	0	1	1 (27 Apr)	4	1	27 Apr	27 Apr
	Other species
	Species	Feb	Mar	Apr	May	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Bumblebee sp.	0	0	3	0	3	0	3	2 ( 4 Apr)	7	2	4 Apr	12 Apr
	Species	Feb	Mar	Apr	May	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
	Totals	394	18091	11525	7785	37795	362	37433		100	28
	Observation hours	4:29	18:22	42:32	19:02	84:25

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Totals Afsluitdijk, Den Oever 2025