Also present

Totals Maasvlakte II 2015

	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	46	61	49	32	0	0	0	72	48	2210	3	2521	2315	206	1338 (21 Nov)	40	23	22 Feb	13 Dec
2.	Canada X Greylag Goose	0	0	0	10	0	0	0	0	0	0	0	0	10	10	0	10 ( 5 Apr)	2	1	5 Apr	5 Apr
3.	Barnacle Goose	0	0	1	0	5	0	0	0	0	0	0	0	6	4	2	3 (24 May)	5	3	8 Mar	24 May
4.	Greylag Goose	0	58	14	9	0	0	0	0	0	0	6	0	87	12	75	50 (22 Feb)	12	7	15 Feb	22 Nov
5.	Bean Goose sp.	0	0	0	0	0	0	0	0	0	0	0	2	2	2	0	2 (13 Dec)	2	1	13 Dec	13 Dec
6.	Egyptian Goose	0	0	9	1	4	0	0	0	0	0	0	0	14	1	13	9 ( 8 Mar)	7	4	8 Mar	17 May
7.	Shelduck	0	1	1	4	3	0	0	12	1	0	65	1	88	74	14	33 (18 Nov)	23	13	15 Feb	13 Dec
8.	Shoveler	0	0	0	0	0	0	1	0	0	0	0	0	1	1	0	1 (25 Jul)	2	1	25 Jul	25 Jul
9.	Gadwall	6	0	0	0	0	0	0	0	0	0	0	0	6	6	0	6 (11 Jan)	2	1	11 Jan	11 Jan
10.	Wigeon	8	0	3	0	0	0	0	0	10	5	74	7	107	102	5	41 (21 Nov)	21	12	4 Jan	6 Dec
11.	Mallard	0	0	0	0	0	0	0	0	0	0	3	3	6	6	0	3 (21 Nov)	4	2	21 Nov	13 Dec
12.	Teal	0	0	0	0	0	0	2	2	28	0	16	0	48	46	2	15 (21 Nov)	14	8	25 Jul	22 Nov
13.	duck sp.	3	0	0	0	0	0	3	0	0	0	0	0	6	1	5	3 (25 Jul)	5	3	11 Jan	25 Jul
14.	Pochard	2	0	0	0	0	0	0	0	0	0	0	0	2	2	0	2 (11 Jan)	2	1	11 Jan	11 Jan
15.	Tufted Duck	0	1	0	0	0	0	0	0	0	0	0	0	1	1	0	1 (15 Feb)	2	1	15 Feb	15 Feb
16.	Eider	21	37	58	32	2	0	0	0	12	5	227	136	530	449	81	115 (15 Nov)	54	31	4 Jan	20 Dec
17.	Velvet Scoter	0	0	0	0	0	0	0	0	0	0	6	1	7	7	0	3 (19 Nov)	9	5	11 Nov	20 Dec
18.	Common Scoter	21	42	209	729	147	0	0	25	365	128	1015	112	2793	1620	1173	261 (12 Apr)	95	54	4 Jan	20 Dec
19.	Long-tailed Duck	0	0	0	0	0	0	0	0	0	0	2	0	2	2	0	2 (19 Nov)	2	1	19 Nov	19 Nov
20.	Goldeneye	0	5	0	0	0	0	0	0	0	0	13	0	18	14	4	7 (21 Nov)	9	5	22 Feb	21 Nov
21.	Goosander	0	0	0	0	0	0	0	0	0	0	2	0	2	2	0	1 (18 Nov)	4	2	18 Nov	22 Nov
22.	Red-breasted Merganser	8	29	51	96	3	0	0	0	32	17	160	25	421	323	98	49 ( 5 Apr)	60	34	4 Jan	27 Dec
23.	Red-necked Grebe	0	0	0	0	0	0	0	0	0	0	9	0	9	9	0	8 (19 Nov)	4	2	19 Nov	21 Nov
24.	Great Crested Grebe	153	125	63	6	0	0	0	2	6	3	197	31	586	471	115	93 (18 Jan)	61	35	4 Jan	27 Dec
25.	Slavonian Grebe	0	0	1	0	0	0	0	0	0	0	1	0	2	1	1	1 (15 Mar)	4	2	15 Mar	15 Nov
26.	Black-necked / Slavonian Grebe	0	0	0	0	0	0	0	0	0	0	3	0	3	3	0	3 (21 Nov)	2	1	21 Nov	21 Nov
27.	Oystercatcher	1	8	18	12	21	0	0	0	46	1	1	3	111	97	14	40 ( 6 Sep)	32	18	4 Jan	27 Dec
28.	Avocet	0	0	0	0	0	0	0	0	0	0	11	0	11	11	0	11 (20 Nov)	2	1	20 Nov	20 Nov
29.	Lapwing	0	0	0	0	0	0	0	0	0	0	5	0	5	5	0	5 (21 Nov)	2	1	21 Nov	21 Nov
30.	Golden Plover	0	0	2	0	0	0	0	0	0	0	0	0	2	2	0	2 ( 1 Mar)	2	1	1 Mar	1 Mar
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
31.	Grey Plover	0	0	0	0	0	0	0	0	4	0	95	0	99	99	0	25 (20 Nov)	18	10	5 Sep	21 Nov
32.	Ringed Plover	0	0	0	0	0	0	0	0	0	0	8	0	8	8	0	8 (21 Nov)	2	1	21 Nov	21 Nov
33.	Whimbrel	0	0	0	3	1	0	2	0	5	0	0	0	11	7	4	4 ( 5 Sep)	9	5	27 Apr	6 Sep
34.	Curlew	0	0	0	0	0	0	0	0	1	0	38	0	39	39	0	12 (14 Nov)	12	7	24 Sep	21 Nov
35.	Bar-tailed Godwit	0	0	0	84	0	0	1	0	0	0	0	0	85	1	84	52 (27 Apr)	9	5	5 Apr	25 Jul
36.	Turnstone	0	0	0	0	0	0	13	8	0	0	2	0	23	23	0	13 (25 Jul)	7	4	25 Jul	21 Nov
37.	Knot	0	0	0	17	7	0	0	0	20	0	12	0	56	32	24	20 ( 6 Sep)	11	6	27 Apr	21 Nov
38.	wader sp.	0	0	0	10	2	0	0	8	3	0	3	0	26	16	10	8 ( 5 Apr)	11	6	5 Apr	21 Nov
39.	Sanderling	0	12	0	61	42	0	0	0	6	9	15	0	145	37	108	25 ( 3 May)	21	12	15 Feb	22 Nov
40.	Dunlin	0	5	5	25	65	0	60	0	6	5	2576	0	2747	2620	127	2249 (21 Nov)	42	24	15 Feb	29 Nov
41.	Common Sandpiper	0	0	0	0	0	0	0	2	0	0	0	0	2	2	0	2 (23 Aug)	2	1	23 Aug	23 Aug
42.	Redshank	0	0	0	0	0	0	0	0	3	0	0	0	3	3	0	2 ( 6 Sep)	4	2	6 Sep	8 Sep
43.	Kittiwake	126	0	0	0	0	0	0	0	4	5	3795	609	4539	4488	51	1083 (18 Nov)	40	23	4 Jan	27 Dec
44.	Sabine's Gull	0	0	0	0	0	0	0	0	2	0	3	0	5	4	1	2 (20 Nov)	7	4	6 Sep	20 Nov
45.	Black-headed Gull	7	0	22	10	0	0	1	2	57	99	214	12	424	416	8	179 (21 Nov)	32	18	4 Jan	13 Dec
46.	Little Gull	0	0	1	58	6	0	0	0	7	1	290	4	367	302	65	115 (20 Nov)	30	17	8 Mar	6 Dec
47.	Common Gull	6	0	1	0	0	0	0	0	35	0	32	0	74	73	1	22 ( 8 Sep)	16	9	4 Jan	21 Nov
48.	Great Black-backed Gull	0	0	0	0	0	0	0	0	44	0	105	0	149	145	4	70 (21 Nov)	9	5	8 Sep	21 Nov
49.	Herring Gull	0	0	0	0	0	0	0	0	43	0	130	0	173	173	0	100 (21 Nov)	9	5	8 Sep	21 Nov
50.	Caspian Gull	0	0	0	0	0	0	0	0	0	0	1	0	1	1	0	1 (14 Nov)	2	1	14 Nov	14 Nov
51.	Lesser Black-backed Gull	0	0	27	0	0	0	0	0	22	0	28	0	77	50	27	25 (14 Nov)	11	6	8 Mar	21 Nov
52.	Sandwich Tern	0	0	0	72	213	0	0	88	566	4	0	0	943	739	204	189 ( 8 Sep)	37	21	12 Apr	11 Oct
53.	Little Tern	0	0	0	48	381	0	0	2	0	0	0	0	431	226	205	99 ( 3 May)	14	8	19 Apr	23 Aug
54.	Common Tern	0	0	0	677	479	0	0	165	19	0	1	0	1341	404	937	243 (26 Apr)	30	17	5 Apr	14 Nov
55.	Arctic Tern	0	0	0	13	0	0	0	0	9	0	0	0	22	9	13	13 (27 Apr)	7	4	27 Apr	17 Sep
56.	Common/Arctic Tern	0	0	0	42	14	0	0	0	146	0	0	0	202	146	56	51 (23 Sep)	11	6	27 Apr	24 Sep
57.	Black Tern	0	0	0	1	1	0	0	0	2	0	0	0	4	3	1	1 (26 Apr)	7	4	26 Apr	24 Sep
58.	Great Skua	1	0	0	0	0	0	0	0	3	0	14	0	18	18	0	3 (18 Nov)	16	9	11 Jan	21 Nov
59.	Pomarine Skua	7	0	0	0	0	0	0	1	6	3	31	1	49	47	2	11 (19 Nov)	28	16	11 Jan	6 Dec
60.	Arctic Skua	0	0	0	0	1	0	0	2	28	2	7	2	42	40	2	15 ( 6 Sep)	30	17	3 May	27 Dec
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
61.	Long-tailed Skua	0	0	0	0	0	0	0	0	2	0	0	0	2	1	1	1 ( 6 Sep)	4	2	6 Sep	15 Sep
62.	skua sp.	1	0	0	0	0	0	0	0	6	0	26	0	33	32	1	13 (19 Nov)	16	9	11 Jan	21 Nov
63.	Little Auk	0	0	0	0	0	0	0	0	0	0	8	0	8	7	1	5 (21 Nov)	5	3	19 Nov	22 Nov
64.	Guillemot	2	0	0	0	0	0	0	0	0	0	55	12	69	65	4	13 (14 Nov)	23	13	11 Jan	27 Dec
65.	Razorbill	0	0	0	0	0	0	0	0	0	0	33	21	54	48	6	17 (27 Dec)	19	11	11 Nov	27 Dec
66.	Razorbill/Guillemot	93	0	0	0	0	0	0	0	2	32	475	413	1015	903	112	126 (20 Dec)	39	22	11 Jan	27 Dec
67.	Black Guillemot	0	0	0	0	0	0	0	0	0	0	2	1	3	2	1	1 (14 Nov)	5	3	14 Nov	20 Dec
68.	Red-throated Diver	23	13	12	19	0	0	0	0	21	11	263	260	622	538	84	147 (20 Dec)	65	37	4 Jan	27 Dec
69.	Black-throated Diver	0	0	0	0	0	0	0	0	2	1	10	2	15	15	0	4 (19 Nov)	16	9	17 Sep	13 Dec
70.	diver sp.	2	3	0	2	0	0	0	0	4	1	67	121	200	170	30	79 (13 Dec)	35	20	4 Jan	27 Dec
71.	Leach's Petrel	0	0	0	0	0	0	0	0	1	1	7	0	9	9	0	4 (14 Nov)	9	5	6 Sep	19 Nov
72.	Fulmar	0	0	0	0	0	0	0	0	5	0	0	0	5	4	1	4 ( 5 Sep)	4	2	5 Sep	6 Sep
73.	Sooty Shearwater	0	0	0	0	0	0	0	0	4	0	10	0	14	10	4	4 ( 4 Sep)	12	7	4 Sep	25 Nov
74.	Balearic Shearwater	0	0	0	0	0	0	0	0	3	0	0	0	3	3	0	2 (24 Sep)	4	2	23 Sep	24 Sep
75.	Gannet	111	0	1	12	27	0	0	11	232	144	675	115	1328	1038	290	125 (19 Nov)	79	45	4 Jan	27 Dec
76.	Cormorant	10	16	125	627	176	0	0	17	66	55	52	12	1156	946	210	402 (12 Apr)	58	33	4 Jan	20 Dec
77.	Grey Heron	0	0	0	0	0	0	0	4	6	0	0	0	10	8	2	4 (23 Aug)	7	4	23 Aug	23 Sep
78.	Marsh Harrier	0	0	0	0	1	0	0	0	0	0	0	0	1	1	0	1 (10 May)	2	1	10 May	10 May
79.	Merlin	0	0	0	0	0	0	0	0	2	0	1	0	3	3	0	1 (20 Sep)	5	3	20 Sep	8 Nov
80.	Peregrine	0	0	1	0	0	0	0	0	0	0	1	0	2	2	0	1 (22 Mar)	4	2	22 Mar	20 Nov
81.	Carrion Crow	0	0	0	9	0	0	0	0	0	0	0	0	9	8	1	8 ( 5 Apr)	4	2	5 Apr	12 Apr
82.	Skylark	0	1	0	0	0	0	0	0	1	35	13	0	50	47	3	35 (25 Oct)	12	7	15 Feb	22 Nov
83.	Swallow	0	0	0	1	31	0	0	5	0	0	0	0	37	24	13	23 (10 May)	9	5	5 Apr	23 Aug
84.	Starling	0	0	7	0	0	0	0	0	0	282	3351	30	3670	3544	126	1993 (22 Nov)	16	9	22 Mar	6 Dec
85.	Fieldfare	0	0	0	0	0	0	0	0	0	0	2	0	2	2	0	2 (21 Nov)	2	1	21 Nov	21 Nov
86.	Grey Wagtail	0	0	0	0	0	0	0	0	0	2	0	0	2	2	0	2 (25 Oct)	2	1	25 Oct	25 Oct
87.	White Wagtail	0	0	1	4	0	0	0	0	2	0	1	0	8	4	4	3 ( 5 Apr)	11	6	22 Mar	1 Nov
88.	Meadow Pipit	0	0	3	0	3	0	0	0	18	45	5	0	74	54	20	32 ( 4 Oct)	19	11	8 Mar	21 Nov
89.	Rock Pipit	0	0	0	0	0	0	0	0	0	0	1	0	1	1	0	1 ( 8 Nov)	2	1	8 Nov	8 Nov
90.	Brambling	0	0	0	0	0	0	0	0	0	3	0	0	3	3	0	3 (25 Oct)	2	1	25 Oct	25 Oct
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
91.	Linnet	0	0	0	0	0	0	0	0	20	0	0	0	20	20	0	20 (27 Sep)	2	1	27 Sep	27 Sep
92.	Siskin	0	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (25 Oct)	2	1	25 Oct	25 Oct
93.	Lapland Bunting	0	0	0	0	0	0	0	0	0	0	1	0	1	1	0	1 (14 Nov)	2	1	14 Nov	14 Nov
94.	Reed Bunting	0	0	0	0	0	0	0	0	0	0	1	0	1	1	0	1 ( 8 Nov)	2	1	8 Nov	8 Nov
	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	1	3	0	0	0	0	0	0	1	0	2	0	7	3	4	1 (18 Jan)	12	7	18 Jan	21 Nov
2.	whale sp.	0	0	0	0	0	0	0	0	0	0	1	0	1	1	0	1 (14 Nov)	2	1	14 Nov	14 Nov
3.	Common Seal	0	0	0	0	0	0	0	0	0	0	1	0	1	1	0	1 (18 Nov)	2	1	18 Nov	18 Nov
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
	Totals	613	405	697	2743	1667	0	83	356	2011	948	16490	1939	27952	23292	4660		100	57
	Observation hours	7:55	6:20	7:20	10:45	9:50	0:00	1:00	6:45	41:20	7:15	39:13	10:15	147:58

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Trektellen

Totals Maasvlakte II 2015