Totals Maasvlakte II 2024

Year
Period
count-field
Also present

	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Dark-bellied Brent Goose	0	3	0	76	0	0	0	0	23	43	17	67	229	86	143	76 (24 Apr)	28	8	11 Feb	6 Dec
2.	Canada Goose	0	0	0	0	1	0	0	0	0	0	0	0	1	0	1	1 (5 May)	3	1	5 May	5 May
3.	Greylag Goose	5	4	16	0	0	0	0	0	0	0	0	0	25	20	5	16 (31 Mar)	10	3	29 Jan	31 Mar
4.	Mute Swan	0	0	0	0	7	0	0	0	0	0	0	0	7	0	7	7 (5 May)	3	1	5 May	5 May
5.	Egyptian Goose	0	5	0	0	0	0	0	0	0	0	0	0	5	0	5	5 (11 Feb)	3	1	11 Feb	11 Feb
6.	Shelduck	5	0	0	1	0	0	0	0	0	1	0	4	11	11	0	4 (6 Dec)	21	6	3 Jan	6 Dec
7.	Gadwall	0	0	0	0	0	0	0	0	2	0	0	0	2	2	0	2 (28 Sep)	3	1	28 Sep	28 Sep
8.	Wigeon	79	0	0	0	0	0	0	0	0	21	21	0	121	121	0	69 (5 Jan)	21	6	3 Jan	22 Nov
9.	Pintail	0	0	0	0	0	0	0	0	14	0	38	0	52	52	0	25 (21 Nov)	14	4	27 Sep	23 Nov
10.	Teal	24	0	1	4	0	0	0	0	0	9	13	0	51	51	0	15 (5 Jan)	28	8	3 Jan	22 Nov
11.	duck sp.	0	0	0	0	0	0	0	0	0	8	0	0	8	8	0	8 (27 Oct)	3	1	27 Oct	27 Oct
12.	Pochard	0	0	0	0	0	0	0	0	0	3	0	0	3	3	0	3 (27 Oct)	3	1	27 Oct	27 Oct
13.	Tufted Duck	1	0	0	0	0	0	0	0	0	0	0	0	1	1	0	1 (5 Jan)	3	1	5 Jan	5 Jan
14.	Eider	17	15	9	3	19	0	0	0	1	14	1	2	81	47	34	19 (5 May)	52	15	3 Jan	6 Dec
15.	Velvet Scoter	9	1	0	0	0	0	0	0	1	0	4	0	15	14	1	8 (14 Jan)	17	5	5 Jan	17 Nov
16.	Common Scoter	554	104	101	631	0	0	0	2	137	56	78	29	1692	1139	553	375 (5 Jan)	86	25	3 Jan	6 Dec
17.	Goldeneye	0	0	0	0	0	0	0	0	0	2	0	0	2	2	0	2 (27 Oct)	3	1	27 Oct	27 Oct
18.	Goosander	0	0	0	0	0	0	0	0	0	0	2	0	2	2	0	2 (21 Nov)	3	1	21 Nov	21 Nov
19.	Red-breasted Merganser	8	81	2	11	0	0	0	0	5	10	20	18	155	144	11	74 (11 Feb)	48	14	3 Jan	6 Dec
20.	Great Crested Grebe	38	0	0	4	0	0	0	0	3	9	1	1	56	40	16	23 (5 Jan)	41	12	3 Jan	6 Dec
21.	Oystercatcher	1	1	0	15	0	0	0	0	1	0	2	0	20	17	3	12 (14 Apr)	28	8	5 Jan	21 Nov
22.	Avocet	0	1	0	0	0	0	0	0	0	0	0	0	1	1	0	1 (11 Feb)	3	1	11 Feb	11 Feb
23.	Ringed Plover	0	0	0	0	0	0	0	0	4	2	0	0	6	6	0	3 (28 Sep)	14	4	11 Sep	27 Oct
24.	Lapwing	0	0	0	0	0	0	0	0	0	0	2	0	2	2	0	2 (21 Nov)	3	1	21 Nov	21 Nov
25.	Whimbrel	0	0	0	2	0	0	0	12	0	0	0	0	14	12	2	12 (23 Aug)	7	2	24 Apr	23 Aug
26.	Curlew	0	0	0	1	0	0	0	0	1	2	0	0	4	4	0	2 (27 Oct)	10	3	14 Apr	27 Oct
27.	Bar-tailed Godwit	0	0	0	256	0	0	0	0	1	0	0	0	257	1	256	214 (24 Apr)	10	3	17 Apr	11 Sep
28.	Jack Snipe	0	0	0	0	0	0	0	0	0	0	0	2	2	2	0	2 (6 Dec)	3	1	6 Dec	6 Dec
29.	Woodcock	0	0	0	0	0	0	0	0	0	0	2	0	2	2	0	1 (18 Nov)	7	2	18 Nov	21 Nov
30.	Grey Phalarope	0	0	0	0	0	0	0	0	0	0	2	0	2	2	0	1 (21 Nov)	7	2	21 Nov	22 Nov
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
31.	Redshank	0	0	0	1	0	0	0	0	0	0	0	0	1	1	0	1 (14 Apr)	3	1	14 Apr	14 Apr
32.	Turnstone	6	0	0	0	0	0	0	8	0	0	3	0	17	11	6	8 (23 Aug)	14	4	3 Jan	21 Nov
33.	Knot	1	0	0	0	0	0	0	0	1	0	0	0	2	2	0	1 (3 Jan)	7	2	3 Jan	11 Sep
34.	wader sp.	0	0	3	0	0	0	0	0	0	1	4	0	8	5	3	4 (22 Nov)	10	3	31 Mar	22 Nov
35.	Sanderling	0	0	0	0	0	38	0	0	0	13	51	0	102	64	38	38 (5 Jun)	14	4	5 Jun	18 Nov
36.	Dunlin	0	0	0	3	0	0	0	0	30	12	12	0	57	54	3	25 (27 Sep)	24	7	24 Apr	17 Nov
37.	Little Tern	0	0	0	2	7	0	0	0	0	0	0	0	9	5	4	7 (5 May)	7	2	24 Apr	5 May
38.	Arctic Tern	0	0	0	19	0	0	0	0	1	0	0	3	23	5	18	19 (24 Apr)	10	3	24 Apr	6 Dec
39.	Common/Arctic Tern	0	0	0	46	149	28	0	1132	295	11	1	0	1662	1492	170	1132 (23 Aug)	38	11	24 Apr	17 Nov
40.	Common Tern	0	0	0	28	0	0	0	0	0	0	0	0	28	11	17	18 (24 Apr)	7	2	17 Apr	24 Apr
41.	Sandwich Tern	9	0	2	136	28	84	0	17	301	24	2	1	604	488	116	110 (27 Sep)	62	18	3 Jan	6 Dec
42.	Little Gull	179	1	0	4	0	0	0	0	9	0	8	63	264	260	4	171 (5 Jan)	38	11	3 Jan	6 Dec
43.	Kittiwake	669	0	1	0	0	0	0	0	8	2	47	183	910	902	8	547 (3 Jan)	41	12	3 Jan	6 Dec
44.	Sabine's Gull	0	0	0	0	0	0	0	0	1	2	0	0	3	3	0	2 (10 Oct)	7	2	9 Sep	10 Oct
45.	Black-headed Gull	138	0	5	0	18	1	0	1	112	35	49	2	361	285	76	78 (25 Sep)	79	23	3 Jan	6 Dec
46.	Mediterranean Gull	0	0	0	0	0	0	0	0	0	1	1	0	2	1	1	1 (10 Oct)	7	2	10 Oct	17 Nov
47.	Common Gull	539	0	0	24	3	8	0	1	172	47	753	55	1602	1477	125	288 (17 Nov)	79	23	3 Jan	6 Dec
48.	Caspian Gull	0	0	0	0	0	0	0	0	2	0	5	1	8	8	0	3 (17 Nov)	21	6	27 Sep	6 Dec
49.	Herring Gull	11	0	0	2	0	2	0	1	2	21	130	36	205	200	5	82 (17 Nov)	55	16	3 Jan	6 Dec
50.	Great Black-backed Gull	49	12	0	0	0	0	0	0	6	5	88	25	185	147	38	33 (17 Nov)	55	16	3 Jan	6 Dec
51.	Lesser Black-backed Gull	25	26	0	17	9	54	0	626	3903	532	61	35	5288	5021	267	2812 (27 Sep)	83	24	3 Jan	6 Dec
52.	Laridae sp.	0	0	0	1	0	0	0	0	0	1	0	0	2	1	1	1 (17 Apr)	7	2	17 Apr	27 Oct
53.	Long-tailed Skua	0	0	0	0	0	0	0	0	2	0	0	0	2	2	0	1 (11 Sep)	7	2	11 Sep	27 Sep
54.	skua sp.	0	0	0	0	0	0	0	0	7	0	0	1	8	8	0	4 (9 Sep)	14	4	9 Sep	6 Dec
55.	Arctic Skua	3	0	0	0	0	0	0	0	51	16	1	3	74	70	4	28 (9 Sep)	34	10	5 Jan	6 Dec
56.	Pomarine Skua	0	0	0	0	0	0	0	0	0	2	1	1	4	3	1	1 (10 Oct)	14	4	10 Oct	6 Dec
57.	Great Skua	1	0	0	0	0	0	0	0	1	0	0	2	4	3	1	2 (6 Dec)	10	3	3 Jan	6 Dec
58.	Razorbill	1	1	0	0	0	0	0	0	0	1	0	0	3	3	0	1 (24 Jan)	10	3	24 Jan	10 Oct
59.	Razorbill/Guillemot	114	8	0	0	0	0	0	0	6	19	2	9	158	136	22	45 (3 Jan)	52	15	3 Jan	6 Dec
60.	Little Auk	0	0	0	0	0	0	0	0	0	0	5	2	7	5	2	3 (22 Nov)	10	3	21 Nov	6 Dec
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
61.	Guillemot	1	0	0	0	0	0	0	0	1	1	0	0	3	2	1	1 (3 Jan)	10	3	3 Jan	27 Oct
62.	Red-throated Diver	714	3	1	8	0	0	0	0	58	20	275	21	1100	1042	58	597 (5 Jan)	86	25	3 Jan	6 Dec
63.	Black-throated Diver	0	0	0	0	0	0	0	0	0	2	1	1	4	4	0	2 (13 Oct)	10	3	13 Oct	6 Dec
64.	Great Northern Diver	1	0	0	0	0	0	0	0	0	0	3	0	4	4	0	1 (3 Jan)	14	4	3 Jan	22 Nov
65.	diver sp.	0	0	0	0	0	0	0	0	0	0	1	0	1	0	1	1 (22 Nov)	3	1	22 Nov	22 Nov
66.	Leach's Petrel	0	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 (11 Sep)	3	1	11 Sep	11 Sep
67.	Fulmar	0	0	0	0	0	0	0	0	0	0	0	1	1	1	0	1 (6 Dec)	3	1	6 Dec	6 Dec
68.	Sooty Shearwater	0	0	0	0	0	0	0	0	109	5	0	0	114	106	8	86 (9 Sep)	21	6	9 Sep	13 Oct
69.	Manx Shearwater	0	0	0	0	0	0	0	0	2	0	0	0	2	2	0	1 (11 Sep)	7	2	11 Sep	27 Sep
70.	Balearic Shearwater	0	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 (11 Sep)	3	1	11 Sep	11 Sep
71.	shearwater sp.	0	0	0	0	0	0	0	1	0	0	0	0	1	0	1	1 (23 Aug)	3	1	23 Aug	23 Aug
72.	Gannet	91	25	1	7	0	0	0	7	351	94	920	76	1572	996	576	573 (17 Nov)	93	27	3 Jan	6 Dec
73.	Cormorant	118	12	2	48	6	71	0	1	7	17	18	0	300	178	122	71 (5 Jun)	83	24	3 Jan	23 Nov
74.	Jackdaw	0	0	0	0	0	0	0	0	0	19	2	0	21	15	6	19 (27 Oct)	7	2	27 Oct	17 Nov
75.	Carrion Crow	0	0	0	1	1	0	0	0	0	0	1	0	3	2	1	1 (24 Apr)	10	3	24 Apr	17 Nov
76.	Starling	0	0	0	0	0	0	0	0	0	200	9	0	209	200	9	200 (27 Oct)	14	4	27 Oct	23 Nov
77.	Blackbird	1	0	0	0	0	0	0	0	0	0	0	0	1	0	1	1 (5 Jan)	3	1	5 Jan	5 Jan
78.	Fieldfare	1	0	0	0	0	0	0	0	0	0	0	0	1	0	1	1 (5 Jan)	3	1	5 Jan	5 Jan
79.	White Wagtail	0	0	0	0	0	0	0	0	3	0	0	0	3	3	0	3 (11 Sep)	3	1	11 Sep	11 Sep
80.	Meadow Pipit	0	0	1	5	0	0	0	0	0	0	0	0	6	4	2	3 (14 Apr)	10	3	31 Mar	17 Apr
81.	Chaffinch	0	0	0	0	0	0	0	0	0	2	0	0	2	2	0	2 (10 Oct)	3	1	10 Oct	10 Oct
82.	Linnet	0	0	0	9	0	0	0	0	0	0	0	0	9	6	3	5 (14 Apr)	7	2	14 Apr	17 Apr
	Other species
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
1.	Harbour Porpoise	0	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (13 Oct)	3	1	13 Oct	13 Oct
2.	Grey seal	0	0	0	0	0	0	0	1	0	0	0	0	1	0	1	1 (23 Aug)	3	1	23 Aug	23 Aug
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
	Totals	3413	303	145	1365	248	286	0	1810	5636	1286	2657	644	17793	15035	2758		100	29
	Observation hours	8:25	4:00	1:45	7:53	2:00	1:00	0:00	4:12	18:43	10:10	14:25	4:00	76:33

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Trektellen

Totals Maasvlakte II 2024