Also present

Totals Huisduinen (zeetrek) 2025

	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Dark-bellied Brent Goose	166	622	4807	1837	5911	0	0	0	0	13343	279	13064	1171 (12 May)	53	59	1 Jan	23 May
2.	Canada Goose	0	0	1	0	17	0	0	0	1	19	0	19	17 (31 May)	3	3	3 Mar	6 Sep
3.	Barnacle Goose	0	76	910	494	31	23	0	0	33	1567	82	1485	695 ( 8 Mar)	17	19	5 Feb	7 Sep
4.	Greylag Goose	14	459	285	371	706	11	5	59	232	2142	553	1589	354 (15 Feb)	60	67	13 Jan	14 Sep
5.	Domestic Goose	0	0	0	0	1	0	0	0	0	1	0	1	1 (10 May)	1	1	10 May	10 May
6.	Eurasian White-fronted Goose	0	4	0	0	0	0	0	0	0	4	0	4	4 (15 Feb)	1	1	15 Feb	15 Feb
7.	Mute Swan	0	0	0	5	1	0	0	0	0	6	0	6	3 (30 Apr)	3	3	28 Apr	5 May
8.	Egyptian Goose	0	23	53	85	35	3	2	0	19	220	43	177	23 ( 8 Mar)	32	36	3 Feb	7 Sep
9.	Shelduck	7	14	95	163	122	112	32	39	7	591	41	550	53 ( 7 Apr)	57	63	29 Jan	7 Sep
10.	Shoveler	0	24	123	163	2	0	0	0	0	312	3	309	61 ( 4 Apr)	19	21	19 Feb	7 May
11.	Gadwall	0	11	11	19	30	0	0	2	5	78	43	35	11 ( 9 May)	14	16	7 Feb	10 Sep
12.	Wigeon	226	197	3392	204	0	0	0	0	9	4028	41	3987	1476 (12 Mar)	25	28	3 Jan	7 Sep
13.	Mallard	0	0	3	9	10	0	0	0	0	22	10	12	8 (12 May)	6	7	31 Mar	17 May
14.	Pintail	0	12	49	185	0	0	0	0	0	246	0	246	167 ( 5 Apr)	6	7	28 Feb	19 Apr
15.	Teal	14	112	2129	1036	0	0	0	28	41	3360	39	3321	597 ( 9 Apr)	35	39	27 Jan	15 Sep
16.	duck sp.	1	1	1	5	0	0	0	0	0	8	4	4	3 ( 9 Apr)	5	5	10 Jan	18 Apr
17.	Tufted Duck	5	0	3	0	8	0	2	0	1	19	4	15	6 (31 May)	10	11	3 Jan	7 Sep
18.	Scaup	0	0	5	0	0	0	0	0	0	5	0	5	2 (10 Mar)	3	3	10 Mar	19 Mar
19.	Eider	17	290	716	1044	816	87	2	0	30	3002	1523	1479	194 (28 Feb)	67	74	3 Jan	17 Sep
20.	Velvet Scoter	1	0	7	0	0	0	0	0	9	17	10	7	9 (10 Sep)	3	3	6 Jan	10 Sep
21.	Common Scoter	77	198	2327	530	233	149	209	278	857	4858	868	3990	1349 (29 Mar)	83	92	1 Jan	17 Sep
22.	Goldeneye	1	1	2	4	0	0	0	0	0	8	1	7	2 (21 Mar)	5	5	8 Jan	7 Apr
23.	Goosander	0	2	0	0	0	0	0	0	0	2	1	1	1 ( 5 Feb)	2	2	5 Feb	15 Feb
24.	Red-breasted Merganser	8	17	189	168	6	0	0	0	5	393	29	364	45 ( 4 Apr)	40	44	6 Jan	10 Sep
25.	Swift	0	0	0	0	9	116	3	0	5	133	38	95	108 (21 Jun)	7	8	10 May	7 Sep
26.	Stock Dove	14	0	6	0	3	0	0	0	0	23	18	5	14 (23 Jan)	4	4	23 Jan	3 May
27.	Woodpigeon	0	2	11	24	1	0	0	0	4	42	8	34	4 ( 8 Mar)	21	23	21 Feb	10 Sep
28.	Collared Dove	0	0	4	0	10	0	0	0	0	14	8	6	5 (31 May)	4	4	17 Mar	31 May
29.	Great Crested Grebe	33	31	22	17	17	9	8	5	6	148	67	81	11 (29 Jan)	49	54	1 Jan	14 Sep
30.	Oystercatcher	56	80	547	807	571	203	222	209	138	2833	637	2196	140 ( 5 Apr)	99	110	3 Jan	17 Sep
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
31.	Avocet	0	0	163	14	4	0	0	0	0	181	0	181	67 ( 8 Mar)	8	9	8 Mar	10 May
32.	Grey Plover	0	0	33	147	455	0	8	3	60	706	47	659	218 ( 5 May)	19	21	17 Mar	14 Sep
33.	Ringed Plover	0	0	1	2	9	0	3	0	0	15	0	15	5 (19 May)	7	8	21 Mar	16 Jul
34.	Lapwing	0	0	0	3	2	28	0	0	0	33	0	33	28 (13 Jun)	4	4	5 Apr	13 Jun
35.	Kentish Plover	0	0	0	0	1	0	0	0	0	1	0	1	1 ( 3 May)	1	1	3 May	3 May
36.	Whimbrel	0	0	0	587	140	0	20	56	14	817	84	733	228 (19 Apr)	24	27	2 Apr	7 Sep
37.	Curlew	1	2	33	12	32	3	6	1	2	92	14	78	14 ( 2 May)	27	30	15 Jan	7 Sep
38.	Bar-tailed Godwit	0	0	0	241	189	0	0	0	6	436	6	430	175 ( 5 May)	8	9	19 Apr	14 Sep
39.	Black-tailed Godwit	0	0	1	2	0	0	0	0	0	3	0	3	2 (25 Apr)	2	2	10 Mar	25 Apr
40.	Icelandic Black-tailed Godwit	0	0	0	1	0	0	0	0	0	1	0	1	1 (26 Apr)	1	1	26 Apr	26 Apr
41.	Snipe	0	0	0	0	0	0	0	1	0	1	1	0	1 ( 9 Aug)	1	1	9 Aug	9 Aug
42.	Common Sandpiper	0	0	0	1	0	0	0	0	0	1	0	1	1 ( 4 Apr)	1	1	4 Apr	4 Apr
43.	Green Sandpiper	0	0	0	1	0	0	0	0	0	1	0	1	1 ( 2 Apr)	1	1	2 Apr	2 Apr
44.	Wood Sandpiper	0	0	0	2	1	0	0	0	0	3	0	3	2 (30 Apr)	2	2	30 Apr	10 May
45.	Redshank	1	0	2	7	7	2	3	9	3	34	5	29	6 (22 Aug)	20	22	29 Jan	10 Sep
46.	Spotted Redshank	0	0	0	0	2	0	0	1	2	5	2	3	2 ( 2 May)	3	3	2 May	7 Sep
47.	Greenshank	0	0	0	3	3	0	0	0	0	6	1	5	3 (26 Apr)	4	4	26 Apr	14 May
48.	Turnstone	0	3	15	7	22	0	1	0	5	53	6	47	9 (22 Mar)	14	15	15 Feb	17 Sep
49.	Knot	0	0	0	85	1341	0	0	0	29	1455	29	1426	638 ( 5 May)	13	14	4 Apr	14 Sep
50.	Ruff	0	0	8	1	4	0	0	0	0	13	0	13	8 (29 Mar)	3	3	29 Mar	10 May
51.	wader sp.	0	1	0	27	2	0	0	1	0	31	1	30	24 ( 9 Apr)	5	5	21 Feb	23 Aug
52.	small wader	0	0	0	0	4	0	0	0	0	4	0	4	4 (10 May)	1	1	10 May	10 May
53.	Sanderling	0	15	102	260	1430	63	24	21	3	1918	32	1886	401 ( 5 May)	42	47	17 Feb	8 Sep
54.	Dunlin	4	25	1861	2786	168	0	19	0	5	4868	16	4852	1645 ( 4 Apr)	40	44	8 Jan	7 Sep
55.	Little Tern	0	0	0	91	505	79	77	117	17	886	233	653	78 ( 5 May)	50	55	14 Apr	12 Sep
56.	Gull-billed Tern	0	0	0	0	4	0	0	0	0	4	0	4	2 (10 May)	3	3	5 May	12 May
57.	Black Tern	0	0	0	23	128	0	291	670	227	1339	630	709	236 (23 Aug)	36	40	16 Apr	15 Sep
58.	Arctic Tern	0	0	0	34	68	2	2	20	0	126	18	108	25 ( 3 May)	15	17	14 Apr	23 Aug
59.	Common/Arctic Tern	0	0	0	51	45	0	4	56	37	193	72	121	41 ( 9 Aug)	10	11	19 Apr	14 Sep
60.	Common Tern	0	0	3	1659	4700	1269	1580	2110	559	11880	3664	8216	854 ( 2 May)	67	74	31 Mar	15 Sep
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
61.	sterna sp.	0	0	0	1	0	0	0	0	0	1	0	1	1 (12 Apr)	1	1	12 Apr	12 Apr
62.	Sandwich Tern	0	0	179	10014	14047	3095	1908	2582	1251	33076	12840	20236	2612 (31 May)	75	83	8 Mar	17 Sep
63.	Little Gull	2	1	302	582	278	0	7	7	3	1182	33	1149	270 (16 Mar)	32	35	10 Jan	14 Sep
64.	Kittiwake	113	0	0	1	0	0	0	1	1	116	65	51	43 ( 8 Jan)	8	9	1 Jan	17 Sep
65.	Black-headed Gull	491	630	1630	1673	1900	422	3488	1048	481	11763	4470	7293	962 (12 Jul)	100	111	1 Jan	17 Sep
66.	Mediterranean Gull	0	0	0	2	1	12	2	0	0	17	12	5	6 (18 Jun)	7	8	19 Apr	9 Jul
67.	Common Gull	540	251	673	934	441	163	271	132	81	3486	1217	2269	278 (11 Apr)	99	110	1 Jan	17 Sep
68.	Caspian Gull	0	0	0	1	1	0	0	0	0	2	2	0	1 (14 Apr)	2	2	14 Apr	31 May
69.	Herring Gull	0	0	0	0	8	0	0	0	0	8	0	8	8 (10 May)	1	1	10 May	10 May
70.	Great Black-backed Gull	148	66	200	125	112	50	59	91	167	1018	444	574	98 (14 Sep)	100	111	1 Jan	17 Sep
71.	Lesser Black-backed Gull	15	28	1358	2162	4087	2002	3070	806	552	14080	4076	10004	1032 ( 7 Jul)	91	101	1 Jan	17 Sep
72.	Long-tailed Skua	0	0	0	0	0	0	0	0	1	1	1	0	1 ( 5 Sep)	1	1	5 Sep	5 Sep
73.	Arctic Skua	0	0	0	0	2	0	1	8	13	24	12	12	4 (12 Sep)	13	14	2 May	14 Sep
74.	Pomarine Skua	0	0	0	0	1	0	0	1	1	3	2	1	1 (31 May)	3	3	31 May	5 Sep
75.	Great Skua	0	0	0	0	0	0	0	0	1	1	1	0	1 (10 Sep)	1	1	10 Sep	10 Sep
76.	Razorbill/Guillemot	0	0	0	0	0	0	0	0	1	1	0	1	1 (12 Sep)	1	1	12 Sep	12 Sep
77.	Guillemot	0	0	1	0	0	0	0	0	2	3	1	2	1 (31 Mar)	3	3	31 Mar	14 Sep
78.	Red-throated Diver	29	13	48	13	2	0	0	2	8	115	24	91	17 (31 Mar)	43	48	1 Jan	17 Sep
79.	Black-throated Diver	1	1	15	5	0	0	0	0	0	22	1	21	6 (29 Mar)	11	12	23 Jan	18 Apr
80.	diver sp.	0	0	11	0	0	0	0	0	1	12	1	11	9 (29 Mar)	3	3	16 Mar	14 Sep
81.	Sooty Shearwater	0	0	0	0	0	0	0	0	1	1	1	0	1 (17 Sep)	1	1	17 Sep	17 Sep
82.	Bulwer's Petrel	1	0	0	0	0	0	0	0	0	1	0	1	1 ( 1 Jan)	1	1	1 Jan	1 Jan
83.	Gannet	10	8	160	15	13	14	13	29	109	371	135	236	92 (22 Mar)	42	47	1 Jan	17 Sep
84.	Cormorant	749	370	1921	3891	8134	3994	24118	411	322	43910	26246	17664	13394 (14 Jul)	100	111	1 Jan	17 Sep
85.	Shag	1	0	0	0	0	0	0	0	0	1	1	0	1 (29 Jan)	1	1	29 Jan	29 Jan
86.	Spoonbill	0	0	0	4	6	1	0	2	1	14	4	10	3 ( 5 Apr)	8	9	5 Apr	1 Sep
87.	Little Egret	0	0	0	0	1	0	0	0	1	2	1	1	1 (14 May)	2	2	14 May	7 Sep
88.	Great White Egret	0	0	3	0	1	0	1	0	0	5	2	3	2 (22 Mar)	4	4	3 Mar	21 Jul
89.	Grey Heron	0	0	3	5	0	0	2	3	7	20	12	8	7 ( 7 Sep)	8	9	10 Mar	7 Sep
90.	Sparrowhawk	0	0	0	0	0	0	0	2	1	3	1	2	1 ( 4 Aug)	3	3	4 Aug	8 Sep
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
91.	Goshawk	0	0	0	0	1	0	0	0	0	1	0	1	1 (10 May)	1	1	10 May	10 May
92.	Marsh Harrier	0	0	1	1	2	0	0	2	1	7	4	3	1 (17 Mar)	6	7	17 Mar	7 Sep
93.	Hen Harrier	1	0	0	0	1	0	0	0	0	2	1	1	1 (29 Jan)	2	2	29 Jan	31 May
94.	White-tailed Eagle	0	0	1	1	1	0	0	0	0	3	2	1	1 (19 Mar)	3	3	19 Mar	3 May
95.	Common Buzzard	0	0	1	1	0	0	0	0	1	3	1	2	1 (22 Mar)	3	3	22 Mar	7 Sep
96.	Great Spotted Woodpecker	0	0	0	0	0	0	0	0	1	1	0	1	1 ( 6 Sep)	1	1	6 Sep	6 Sep
97.	Green Woodpecker	0	0	0	0	0	1	0	0	0	1	1	0	1 (21 Jun)	1	1	21 Jun	21 Jun
98.	Kestrel	0	0	0	1	0	0	1	2	4	8	5	3	3 ( 7 Sep)	5	5	30 Apr	7 Sep
99.	Peregrine	0	0	0	0	0	0	0	0	1	1	1	0	1 (14 Sep)	1	1	14 Sep	14 Sep
100.	Magpie	0	0	14	0	0	0	0	0	0	14	5	9	7 (22 Mar)	2	2	22 Mar	29 Mar
101.	Jackdaw	0	0	11	0	8	0	0	0	0	19	0	19	8 (14 May)	3	3	21 Mar	14 May
102.	Rook	0	0	1	0	0	0	0	0	0	1	0	1	1 (14 Mar)	1	1	14 Mar	14 Mar
103.	Carrion Crow	0	0	12	29	17	0	1	0	0	59	16	43	9 (31 May)	22	24	5 Mar	9 Jul
104.	Sand Martin	0	0	0	18	1	0	2	0	0	21	0	21	4 ( 4 Apr)	7	8	2 Apr	12 Jul
105.	Swallow	0	0	0	186	278	8	8	12	302	794	274	520	293 ( 7 Sep)	33	37	4 Apr	10 Sep
106.	House Martin	0	0	0	4	4	0	1	6	29	44	33	11	20 ( 6 Sep)	7	8	4 Apr	7 Sep
107.	Long-tailed Tit	0	0	0	0	2	0	0	0	0	2	2	0	2 ( 9 May)	1	1	9 May	9 May
108.	Starling	0	0	195	172	4	0	0	0	3	374	41	333	91 (21 Mar)	10	11	16 Mar	7 Sep
109.	Blackbird	0	0	1	0	0	0	0	0	0	1	0	1	1 (21 Mar)	1	1	21 Mar	21 Mar
110.	Ring Ouzel	0	0	0	2	0	0	0	0	0	2	0	2	1 ( 5 Apr)	2	2	5 Apr	30 Apr
111.	Robin	0	0	0	1	0	0	0	0	0	1	0	1	1 (12 Apr)	1	1	12 Apr	12 Apr
112.	Dunnock	0	0	1	0	0	0	0	0	0	1	1	0	1 ( 3 Mar)	1	1	3 Mar	3 Mar
113.	Blue-headed Wagtail	0	0	0	3	25	0	1	0	1	30	1	29	25 ( 3 May)	4	4	25 Apr	7 Sep
114.	Yellow Wagtail (flavissima)	0	0	0	0	15	0	0	0	0	15	0	15	15 ( 3 May)	1	1	3 May	3 May
115.	Yellow wagtail sp.	0	0	0	0	25	0	0	0	0	25	0	25	16 ( 3 May)	5	5	3 May	12 May
116.	White Wagtail	0	0	13	10	0	0	0	0	0	23	2	21	11 (22 Mar)	6	7	14 Mar	19 Apr
117.	alba wagtail sp.	0	0	4	4	1	0	0	0	0	9	0	9	3 (26 Mar)	5	5	19 Mar	12 May
118.	Pied Wagtail	0	0	0	0	1	0	0	0	0	1	1	0	1 (12 May)	1	1	12 May	12 May
119.	Meadow Pipit	0	0	20	31	38	0	0	0	0	89	9	80	16 ( 7 May)	15	17	8 Mar	17 May
120.	Tree Pipit	0	0	0	0	3	0	0	0	0	3	0	3	3 (10 May)	1	1	10 May	10 May
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
121.	Chaffinch	0	0	1	0	0	0	0	0	0	1	0	1	1 (22 Mar)	1	1	22 Mar	22 Mar
122.	Linnet	0	0	4	20	277	12	2	1	0	316	40	276	91 (10 May)	23	26	19 Mar	11 Aug
123.	Goldfinch	0	0	0	3	2	0	0	0	0	5	2	3	2 ( 5 Apr)	4	4	5 Apr	31 May
124.	Reed Bunting	0	0	0	2	0	0	0	0	0	2	0	2	2 ( 4 Apr)	1	1	4 Apr	4 Apr
	Other species
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Harbour Porpoise	0	3	9	1	10	4	0	3	1	31	17	14	10 ( 7 May)	9	10	7 Feb	14 Sep
2.	Grey seal	3	0	1	4	0	0	0	1	0	9	1	8	2 ( 9 Apr)	6	7	6 Jan	11 Aug
3.	Common Seal	14	16	23	21	6	2	6	7	3	98	33	65	10 (16 Mar)	39	43	6 Jan	8 Sep
4.	bat sp.	0	0	0	0	0	0	0	0	1	1	1	0	1 ( 7 Sep)	1	1	7 Sep	7 Sep
	Other species
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Small Tortoiseshell	0	0	1	1	0	0	0	0	0	2	0	2	1 (22 Mar)	2	2	22 Mar	5 Apr
2.	Brimstone	0	0	0	1	0	0	0	0	0	1	0	1	1 (12 Apr)	1	1	12 Apr	12 Apr
3.	European Peacock	0	0	1	4	2	0	1	0	0	8	3	5	2 (12 Apr)	5	6	22 Mar	2 Jul
4.	Speckled Wood	0	0	0	0	0	0	1	0	0	1	0	1	1 (12 Jul)	1	1	12 Jul	12 Jul
5.	Large White	0	0	0	6	7	5	9	1	0	28	14	14	9 ( 2 Jul)	10	11	26 Apr	13 Aug
6.	Green-veined White	0	0	0	13	5	0	0	1	0	19	9	10	11 (12 Apr)	4	4	12 Apr	9 Aug
7.	Small White	0	0	0	25	49	34	12	8	6	134	49	85	27 (21 Jun)	19	21	12 Apr	7 Sep
8.	white sp. (butterfly)	0	0	0	50	61	40	1	0	17	169	54	115	46 (10 May)	8	9	12 Apr	14 Sep
9.	Red Admiral	0	0	0	0	7	14	3	0	1	25	5	20	9 (21 Jun)	8	9	9 May	14 Sep
10.	Small Heath	0	0	0	0	1	11	0	2	0	14	3	11	5 (21 Jun)	5	6	19 May	30 Aug
	Other species
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Bumblebee sp.	0	0	8	32	46	9	34	17	14	160	67	93	22 (31 May)	37	41	8 Mar	14 Sep
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
	Totals	2764	3609	24747	33292	47741	12052	35546	8874	5763	174388	59514	114874		100	111
	Observation hours	24:30	29:00	77:00	81:00	80:45	42:00	46:45	57:30	45:00	483:30

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Trektellen

Totals Huisduinen (zeetrek) 2025