Also present

Totals Huisduinen (zeetrek) 2025

	Species	Jan	Feb	Mar	Apr	May	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Dark-bellied Brent Goose	166	622	4807	1837	2701	10133	279	9854	1171 (12 May)	90	53	1 Jan	12 May
2.	Canada Goose	0	0	1	0	0	1	0	1	1 ( 3 Mar)	2	1	3 Mar	3 Mar
3.	Barnacle Goose	0	76	910	494	21	1501	82	1419	695 ( 8 Mar)	24	14	5 Feb	10 May
4.	Greylag Goose	14	459	285	371	550	1679	489	1190	354 (15 Feb)	81	48	13 Jan	12 May
5.	Domestic Goose	0	0	0	0	1	1	0	1	1 (10 May)	2	1	10 May	10 May
6.	Eurasian White-fronted Goose	0	4	0	0	0	4	0	4	4 (15 Feb)	2	1	15 Feb	15 Feb
7.	Mute Swan	0	0	0	5	1	6	0	6	3 (30 Apr)	5	3	28 Apr	5 May
8.	Egyptian Goose	0	23	53	85	19	180	38	142	23 ( 8 Mar)	49	29	3 Feb	12 May
9.	Shelduck	7	14	95	163	54	333	20	313	53 ( 7 Apr)	68	40	29 Jan	10 May
10.	Shoveler	0	24	123	163	2	312	3	309	61 ( 4 Apr)	36	21	19 Feb	7 May
11.	Gadwall	0	11	11	19	21	62	29	33	11 ( 9 May)	22	13	7 Feb	12 May
12.	Wigeon	226	197	3392	204	0	4019	41	3978	1476 (12 Mar)	46	27	3 Jan	9 Apr
13.	Mallard	0	0	3	9	8	20	10	10	8 (12 May)	10	6	31 Mar	12 May
14.	Pintail	0	12	49	185	0	246	0	246	167 ( 5 Apr)	12	7	28 Feb	19 Apr
15.	Teal	14	112	2129	1036	0	3291	2	3289	597 ( 9 Apr)	51	30	27 Jan	28 Apr
16.	duck sp.	1	1	1	5	0	8	4	4	3 ( 9 Apr)	8	5	10 Jan	18 Apr
17.	Tufted Duck	5	0	3	0	2	10	4	6	2 (31 Jan)	12	7	3 Jan	12 May
18.	Scaup	0	0	5	0	0	5	0	5	2 (10 Mar)	5	3	10 Mar	19 Mar
19.	Eider	17	290	716	1044	576	2643	1350	1293	194 (28 Feb)	90	53	3 Jan	12 May
20.	Velvet Scoter	1	0	7	0	0	8	1	7	7 (14 Mar)	3	2	6 Jan	14 Mar
21.	Common Scoter	77	198	2327	530	179	3311	472	2839	1349 (29 Mar)	88	52	1 Jan	5 May
22.	Goldeneye	1	1	2	4	0	8	1	7	2 (21 Mar)	8	5	8 Jan	7 Apr
23.	Goosander	0	2	0	0	0	2	1	1	1 ( 5 Feb)	3	2	5 Feb	15 Feb
24.	Red-breasted Merganser	8	17	189	168	6	388	24	364	45 ( 4 Apr)	71	42	6 Jan	7 May
25.	Swift	0	0	0	0	2	2	0	2	2 (10 May)	2	1	10 May	10 May
26.	Stock Dove	14	0	6	0	3	23	18	5	14 (23 Jan)	7	4	23 Jan	3 May
27.	Woodpigeon	0	2	11	24	1	38	6	32	4 ( 8 Mar)	34	20	21 Feb	5 May
28.	Collared Dove	0	0	4	0	5	9	3	6	4 (17 Mar)	5	3	17 Mar	5 May
29.	Great Crested Grebe	33	31	22	17	4	107	52	55	11 (29 Jan)	63	37	1 Jan	5 May
30.	Oystercatcher	56	80	547	807	311	1801	288	1513	140 ( 5 Apr)	98	58	3 Jan	12 May
	Species	Jan	Feb	Mar	Apr	May	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
31.	Avocet	0	0	163	14	4	181	0	181	67 ( 8 Mar)	15	9	8 Mar	10 May
32.	Grey Plover	0	0	33	147	260	440	2	438	218 ( 5 May)	22	13	17 Mar	12 May
33.	Ringed Plover	0	0	1	2	2	5	0	5	2 ( 5 May)	7	4	21 Mar	5 May
34.	Lapwing	0	0	0	3	2	5	0	5	2 (25 Apr)	5	3	5 Apr	5 May
35.	Kentish Plover	0	0	0	0	1	1	0	1	1 ( 3 May)	2	1	3 May	3 May
36.	Whimbrel	0	0	0	587	137	724	0	724	228 (19 Apr)	31	18	2 Apr	12 May
37.	Curlew	1	2	33	12	21	69	5	64	14 ( 2 May)	34	20	15 Jan	10 May
38.	Bar-tailed Godwit	0	0	0	241	183	424	0	424	175 ( 5 May)	8	5	19 Apr	7 May
39.	Black-tailed Godwit	0	0	1	2	0	3	0	3	2 (25 Apr)	3	2	10 Mar	25 Apr
40.	Icelandic Black-tailed Godwit	0	0	0	1	0	1	0	1	1 (26 Apr)	2	1	26 Apr	26 Apr
41.	Common Sandpiper	0	0	0	1	0	1	0	1	1 ( 4 Apr)	2	1	4 Apr	4 Apr
42.	Green Sandpiper	0	0	0	1	0	1	0	1	1 ( 2 Apr)	2	1	2 Apr	2 Apr
43.	Wood Sandpiper	0	0	0	2	1	3	0	3	2 (30 Apr)	3	2	30 Apr	10 May
44.	Redshank	1	0	2	7	7	17	2	15	2 ( 4 Apr)	22	13	29 Jan	12 May
45.	Spotted Redshank	0	0	0	0	2	2	0	2	2 ( 2 May)	2	1	2 May	2 May
46.	Greenshank	0	0	0	3	2	5	1	4	3 (26 Apr)	5	3	26 Apr	10 May
47.	Turnstone	0	3	15	7	9	34	6	28	9 (22 Mar)	15	9	15 Feb	9 May
48.	Knot	0	0	0	85	1253	1338	0	1338	638 ( 5 May)	17	10	4 Apr	12 May
49.	Ruff	0	0	8	1	4	13	0	13	8 (29 Mar)	5	3	29 Mar	10 May
50.	wader sp.	0	1	0	27	0	28	1	27	24 ( 9 Apr)	5	3	21 Feb	18 Apr
51.	small wader	0	0	0	0	4	4	0	4	4 (10 May)	2	1	10 May	10 May
52.	Sanderling	0	15	102	260	1156	1533	5	1528	401 ( 5 May)	47	28	17 Feb	12 May
53.	Dunlin	4	25	1861	2786	149	4825	11	4814	1645 ( 4 Apr)	63	37	8 Jan	12 May
54.	Little Tern	0	0	0	91	219	310	10	300	78 ( 5 May)	24	14	14 Apr	12 May
55.	Gull-billed Tern	0	0	0	0	4	4	0	4	2 (10 May)	5	3	5 May	12 May
56.	Black Tern	0	0	0	23	108	131	1	130	44 (12 May)	20	12	16 Apr	12 May
57.	Arctic Tern	0	0	0	34	60	94	0	94	25 ( 3 May)	19	11	14 Apr	12 May
58.	Common/Arctic Tern	0	0	0	51	45	96	0	96	40 (19 Apr)	7	4	19 Apr	10 May
59.	Common Tern	0	0	3	1659	3461	5123	480	4643	854 ( 2 May)	39	23	31 Mar	12 May
60.	sterna sp.	0	0	0	1	0	1	0	1	1 (12 Apr)	2	1	12 Apr	12 Apr
	Species	Jan	Feb	Mar	Apr	May	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
61.	Sandwich Tern	0	0	179	10014	7525	17718	5512	12206	2357 (10 May)	53	31	8 Mar	12 May
62.	Little Gull	2	1	302	582	276	1163	29	1134	270 (16 Mar)	42	25	10 Jan	10 May
63.	Kittiwake	113	0	0	1	0	114	64	50	43 ( 8 Jan)	12	7	1 Jan	26 Apr
64.	Black-headed Gull	491	630	1630	1673	1416	5840	1046	4794	819 (12 May)	100	59	1 Jan	12 May
65.	Mediterranean Gull	0	0	0	2	0	2	0	2	2 (19 Apr)	2	1	19 Apr	19 Apr
66.	Common Gull	540	251	673	934	336	2734	730	2004	278 (11 Apr)	98	58	1 Jan	12 May
67.	Caspian Gull	0	0	0	1	0	1	1	0	1 (14 Apr)	2	1	14 Apr	14 Apr
68.	Herring Gull	0	0	0	0	8	8	0	8	8 (10 May)	2	1	10 May	10 May
69.	Great Black-backed Gull	148	66	200	125	59	598	184	414	39 (23 Jan)	100	59	1 Jan	12 May
70.	Lesser Black-backed Gull	15	28	1358	2162	1449	5012	276	4736	642 ( 7 May)	85	50	1 Jan	12 May
71.	Arctic Skua	0	0	0	0	1	1	0	1	1 ( 2 May)	2	1	2 May	2 May
72.	Guillemot	0	0	1	0	0	1	0	1	1 (31 Mar)	2	1	31 Mar	31 Mar
73.	Red-throated Diver	29	13	48	13	1	104	21	83	17 (31 Mar)	68	40	1 Jan	7 May
74.	Black-throated Diver	1	1	15	5	0	22	1	21	6 (29 Mar)	20	12	23 Jan	18 Apr
75.	diver sp.	0	0	11	0	0	11	0	11	9 (29 Mar)	3	2	16 Mar	29 Mar
76.	Bulwer's Petrel	1	0	0	0	0	1	0	1	1 ( 1 Jan)	2	1	1 Jan	1 Jan
77.	Gannet	10	8	160	15	10	203	13	190	92 (22 Mar)	47	28	1 Jan	12 May
78.	Cormorant	749	370	1921	3891	2279	9210	4739	4471	671 ( 3 May)	100	59	1 Jan	12 May
79.	Shag	1	0	0	0	0	1	1	0	1 (29 Jan)	2	1	29 Jan	29 Jan
80.	Spoonbill	0	0	0	4	5	9	0	9	3 ( 5 Apr)	8	5	5 Apr	7 May
81.	Great White Egret	0	0	3	0	1	4	1	3	2 (22 Mar)	5	3	3 Mar	9 May
82.	Grey Heron	0	0	3	5	0	8	3	5	2 (22 Mar)	8	5	10 Mar	28 Apr
83.	Goshawk	0	0	0	0	1	1	0	1	1 (10 May)	2	1	10 May	10 May
84.	Marsh Harrier	0	0	1	1	1	3	0	3	1 (17 Mar)	5	3	17 Mar	12 May
85.	Hen Harrier	1	0	0	0	0	1	0	1	1 (29 Jan)	2	1	29 Jan	29 Jan
86.	White-tailed Eagle	0	0	1	1	1	3	2	1	1 (19 Mar)	5	3	19 Mar	3 May
87.	Common Buzzard	0	0	1	1	0	2	0	2	1 (22 Mar)	3	2	22 Mar	5 Apr
88.	Kestrel	0	0	0	1	0	1	0	1	1 (30 Apr)	2	1	30 Apr	30 Apr
89.	Magpie	0	0	14	0	0	14	5	9	7 (22 Mar)	3	2	22 Mar	29 Mar
90.	Jackdaw	0	0	11	0	0	11	0	11	6 (26 Mar)	3	2	21 Mar	26 Mar
	Species	Jan	Feb	Mar	Apr	May	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
91.	Rook	0	0	1	0	0	1	0	1	1 (14 Mar)	2	1	14 Mar	14 Mar
92.	Carrion Crow	0	0	12	29	3	44	14	30	7 ( 5 Apr)	34	20	5 Mar	7 May
93.	Sand Martin	0	0	0	18	1	19	0	19	4 ( 4 Apr)	12	7	2 Apr	7 May
94.	Swallow	0	0	0	186	233	419	9	410	138 (10 May)	29	17	4 Apr	12 May
95.	House Martin	0	0	0	4	1	5	0	5	2 ( 4 Apr)	5	3	4 Apr	12 May
96.	Long-tailed Tit	0	0	0	0	2	2	2	0	2 ( 9 May)	2	1	9 May	9 May
97.	Starling	0	0	195	172	4	371	38	333	91 (21 Mar)	17	10	16 Mar	2 May
98.	Blackbird	0	0	1	0	0	1	0	1	1 (21 Mar)	2	1	21 Mar	21 Mar
99.	Ring Ouzel	0	0	0	2	0	2	0	2	1 ( 5 Apr)	3	2	5 Apr	30 Apr
100.	Robin	0	0	0	1	0	1	0	1	1 (12 Apr)	2	1	12 Apr	12 Apr
101.	Dunnock	0	0	1	0	0	1	1	0	1 ( 3 Mar)	2	1	3 Mar	3 Mar
102.	Blue-headed Wagtail	0	0	0	3	25	28	0	28	25 ( 3 May)	3	2	25 Apr	3 May
103.	Yellow Wagtail (flavissima)	0	0	0	0	15	15	0	15	15 ( 3 May)	2	1	3 May	3 May
104.	Yellow wagtail sp.	0	0	0	0	25	25	0	25	16 ( 3 May)	8	5	3 May	12 May
105.	White Wagtail	0	0	13	10	0	23	2	21	11 (22 Mar)	12	7	14 Mar	19 Apr
106.	alba wagtail sp.	0	0	4	4	1	9	0	9	3 (26 Mar)	8	5	19 Mar	12 May
107.	Pied Wagtail	0	0	0	0	1	1	1	0	1 (12 May)	2	1	12 May	12 May
108.	Meadow Pipit	0	0	20	31	33	84	9	75	16 ( 7 May)	27	16	8 Mar	10 May
109.	Tree Pipit	0	0	0	0	3	3	0	3	3 (10 May)	2	1	10 May	10 May
110.	Chaffinch	0	0	1	0	0	1	0	1	1 (22 Mar)	2	1	22 Mar	22 Mar
111.	Linnet	0	0	4	20	209	233	13	220	91 (10 May)	25	15	19 Mar	12 May
112.	Goldfinch	0	0	0	3	1	4	1	3	2 ( 5 Apr)	5	3	5 Apr	12 May
113.	Reed Bunting	0	0	0	2	0	2	0	2	2 ( 4 Apr)	2	1	4 Apr	4 Apr
	Other species
	Species	Jan	Feb	Mar	Apr	May	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Harbour Porpoise	0	3	9	1	10	23	13	10	10 ( 7 May)	8	5	7 Feb	7 May
2.	Grey seal	3	0	1	4	0	8	1	7	2 ( 9 Apr)	10	6	6 Jan	28 Apr
3.	Common Seal	14	16	23	21	4	78	29	49	10 (16 Mar)	51	30	6 Jan	10 May
	Other species
	Species	Jan	Feb	Mar	Apr	May	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Small Tortoiseshell	0	0	1	1	0	2	0	2	1 (22 Mar)	3	2	22 Mar	5 Apr
2.	Brimstone	0	0	0	1	0	1	0	1	1 (12 Apr)	2	1	12 Apr	12 Apr
3.	European Peacock	0	0	1	4	1	6	2	4	2 (12 Apr)	7	4	22 Mar	3 May
4.	Large White	0	0	0	6	7	13	5	8	5 (30 Apr)	10	6	26 Apr	12 May
5.	Green-veined White	0	0	0	13	5	18	9	9	11 (12 Apr)	5	3	12 Apr	3 May
6.	Small White	0	0	0	25	43	68	24	44	21 (30 Apr)	14	8	12 Apr	12 May
7.	white sp. (butterfly)	0	0	0	50	61	111	36	75	46 (10 May)	7	4	12 Apr	10 May
8.	Red Admiral	0	0	0	0	7	7	1	6	3 (10 May)	5	3	9 May	12 May
	Other species
	Species	Jan	Feb	Mar	Apr	May	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Bumblebee sp.	0	0	8	32	22	62	15	47	10 ( 3 May)	25	15	8 Mar	12 May
	Species	Jan	Feb	Mar	Apr	May	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
	Totals	2764	3609	24747	33292	25647	90059	16594	73465		100	59
	Observation hours	24:30	29:00	77:00	81:00	42:45	254:15

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Trektellen

Totals Huisduinen (zeetrek) 2025