Totals Maasvlakte II 2018

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	27	4	19	85	163	0	0	0	1	140	4	5	448	125	323	120 (20 May)	47	21	7 Jan	30 Dec
2.	Canada X Greylag Goose	0	0	0	0	1	0	0	0	0	0	0	0	1	1	0	1 (6 May)	2	1	6 May	6 May
3.	Barnacle Goose	0	24	0	14	0	0	0	0	0	0	1	0	39	27	12	24 (18 Feb)	9	4	18 Feb	18 Nov
4.	Greylag Goose	2	18	47	1	0	0	0	0	0	13	22	0	103	58	45	34 (4 Mar)	18	8	14 Jan	25 Nov
5.	goose sp.	0	0	80	0	0	0	0	0	0	0	0	0	80	0	80	80 (4 Mar)	2	1	4 Mar	4 Mar
6.	Pink-footed Goose	0	0	90	0	0	0	0	0	0	0	0	0	90	0	90	90 (4 Mar)	2	1	4 Mar	4 Mar
7.	Eurasian White-fronted Goose	0	1	0	0	0	0	0	0	0	0	0	0	1	0	1	1 (18 Feb)	2	1	18 Feb	18 Feb
8.	Egyptian Goose	14	9	0	2	1	0	0	0	0	0	0	0	26	4	22	14 (14 Jan)	11	5	14 Jan	6 May
9.	Shelduck	0	4	1	8	0	0	0	1	17	0	0	7	38	29	9	12 (22 Sep)	20	9	25 Feb	30 Dec
10.	Shoveler	0	0	4	5	0	0	0	0	7	0	0	0	16	10	6	7 (24 Sep)	7	3	25 Mar	24 Sep
11.	Gadwall	0	0	0	0	0	0	0	0	0	0	0	2	2	2	0	2 (16 Dec)	2	1	16 Dec	16 Dec
12.	Wigeon	0	0	5	0	0	0	0	0	14	28	10	4	61	51	10	15 (2 Oct)	27	12	25 Mar	23 Dec
13.	Mallard	0	0	0	1	0	0	0	0	0	0	0	0	1	1	0	1 (22 Apr)	2	1	22 Apr	22 Apr
14.	Pintail	0	0	0	0	0	0	0	0	3	0	0	0	3	3	0	2 (18 Sep)	4	2	16 Sep	18 Sep
15.	Teal	0	0	0	8	0	0	0	0	15	18	18	7	66	58	8	12 (2 Oct)	29	13	8 Apr	16 Dec
16.	duck sp.	0	0	2	12	0	0	0	0	0	13	0	0	27	8	19	11 (28 Oct)	11	5	25 Mar	28 Oct
17.	Tufted Duck	0	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 (22 Sep)	2	1	22 Sep	22 Sep
18.	Eider	20	4	9	34	4	0	0	0	0	20	30	10	131	85	46	23 (22 Apr)	47	21	7 Jan	23 Dec
19.	Velvet Scoter	0	5	0	0	0	0	0	0	0	4	2	8	19	19	0	5 (4 Feb)	16	7	4 Feb	30 Dec
20.	Common Scoter	87	48	98	951	437	0	0	27	335	328	78	93	2482	1306	1176	557 (29 Apr)	84	38	7 Jan	30 Dec
21.	Red-breasted Merganser	2	7	26	19	2	0	0	0	2	66	0	10	134	91	43	28 (24 Oct)	51	23	7 Jan	30 Dec
22.	Red-necked Grebe	1	0	0	0	0	0	0	0	0	0	0	0	1	1	0	1 (28 Jan)	2	1	28 Jan	28 Jan
23.	Great Crested Grebe	3	2	39	1	3	0	0	0	7	11	13	31	110	65	45	37 (4 Mar)	51	23	7 Jan	16 Dec
24.	Oystercatcher	0	27	3	66	2	0	0	3	4	2	1	1	109	73	36	39 (1 Apr)	36	16	18 Feb	30 Dec
25.	Avocet	0	0	0	10	0	0	0	0	1	0	0	0	11	1	10	10 (22 Apr)	4	2	22 Apr	22 Sep
26.	Grey Plover	0	0	0	0	0	0	0	2	1	4	0	0	7	7	0	4 (2 Oct)	7	3	19 Aug	2 Oct
27.	Golden Plover	0	0	0	0	0	0	0	0	5	0	0	0	5	5	0	5 (16 Sep)	2	1	16 Sep	16 Sep
28.	Ringed Plover	0	0	11	0	0	0	0	0	17	0	0	0	28	28	0	11 (4 Mar)	9	4	4 Mar	22 Sep
29.	Lapwing	0	9	0	0	0	0	0	0	0	0	0	0	9	0	9	9 (18 Feb)	2	1	18 Feb	18 Feb
30.	Whimbrel	0	0	0	57	0	0	0	4	0	0	0	0	61	4	57	56 (22 Apr)	7	3	15 Apr	25 Aug
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
31.	Curlew	0	0	2	0	0	0	0	1	2	11	0	1	17	15	2	5 (2 Oct)	18	8	25 Mar	9 Dec
32.	Bar-tailed Godwit	0	0	0	26	1	0	0	3	4	3	0	0	37	10	27	26 (29 Apr)	16	7	29 Apr	2 Oct
33.	Grey Phalarope	0	0	0	0	0	0	0	0	0	0	1	0	1	1	0	1 (11 Nov)	2	1	11 Nov	11 Nov
34.	Turnstone	0	0	0	0	0	0	0	0	11	0	0	0	11	11	0	8 (16 Sep)	7	3	16 Sep	22 Sep
35.	Knot	0	0	0	0	0	0	0	3	1	0	0	0	4	4	0	3 (25 Aug)	4	2	25 Aug	18 Sep
36.	wader sp.	0	0	0	4	0	0	0	0	0	8	3	0	15	11	4	8 (14 Oct)	7	3	22 Apr	4 Nov
37.	Sanderling	0	1	0	27	0	0	0	0	4	6	0	0	38	12	26	27 (22 Apr)	11	5	25 Feb	14 Oct
38.	Dunlin	0	0	3	0	1	0	0	1	21	24	1	0	51	48	3	22 (2 Oct)	24	11	4 Mar	18 Nov
39.	Calidris sp.	0	0	11	0	0	0	0	0	0	0	0	0	11	10	1	11 (4 Mar)	2	1	4 Mar	4 Mar
40.	Little Tern	0	0	0	54	47	0	0	3	8	0	0	0	112	55	57	42 (20 May)	16	7	22 Apr	11 Sep
41.	Black Tern	0	0	0	0	4	0	0	29	21	0	0	0	54	49	5	21 (25 Aug)	11	5	6 May	18 Sep
42.	Arctic Tern	0	0	0	0	0	0	0	0	5	2	1	0	8	8	0	5 (18 Sep)	7	3	18 Sep	5 Nov
43.	Common/Arctic Tern	0	0	0	0	0	0	0	0	2	0	0	0	2	2	0	2 (16 Sep)	2	1	16 Sep	16 Sep
44.	Common Tern	0	0	0	283	28	0	0	91	203	1	0	0	606	346	260	150 (8 Apr)	24	11	1 Apr	24 Oct
45.	Sandwich Tern	0	0	0	289	35	0	0	702	1082	37	7	0	2152	1818	334	702 (25 Aug)	36	16	1 Apr	11 Nov
46.	Little Gull	0	0	1	70	5	0	0	0	0	3	6	0	85	7	78	60 (22 Apr)	20	9	4 Mar	18 Nov
47.	Kittiwake	1	1	0	0	0	0	0	0	2	1	19	152	176	164	12	108 (9 Dec)	24	11	21 Jan	30 Dec
48.	Black-headed Gull	0	25	0	41	0	0	0	0	55	6	0	0	127	86	41	55 (18 Sep)	9	4	18 Feb	7 Oct
49.	Mediterranean Gull	0	0	0	1	0	0	0	0	2	0	0	0	3	2	1	1 (22 Apr)	7	3	22 Apr	30 Sep
50.	Common Gull	0	0	0	0	0	0	0	16	15	0	0	0	31	31	0	16 (25 Aug)	4	2	25 Aug	18 Sep
51.	Great Black-backed Gull	0	0	0	0	0	0	0	0	15	0	0	0	15	15	0	15 (18 Sep)	2	1	18 Sep	18 Sep
52.	Lesser Black-backed Gull	0	1	0	0	0	0	0	0	50	0	0	0	51	51	0	50 (18 Sep)	4	2	18 Feb	18 Sep
53.	Iceland Gull	0	0	0	0	0	0	0	0	0	0	0	1	1	1	0	1 (23 Dec)	2	1	23 Dec	23 Dec
54.	Long-tailed Skua	0	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 (18 Sep)	2	1	18 Sep	18 Sep
55.	skua sp.	0	0	0	0	0	0	0	1	12	4	0	0	17	11	6	5 (22 Sep)	18	8	25 Aug	24 Oct
56.	Arctic Skua	0	0	0	0	1	0	0	4	30	10	6	1	52	45	7	15 (22 Sep)	24	11	13 May	9 Dec
57.	Pomarine Skua	0	0	0	0	0	0	0	2	5	7	1	1	16	14	2	4 (2 Oct)	22	10	25 Aug	9 Dec
58.	Great Skua	0	0	0	0	0	0	0	2	11	23	0	1	37	22	15	12 (7 Oct)	24	11	25 Aug	9 Dec
59.	Razorbill	3	0	0	0	0	0	0	0	0	1	4	2	10	7	3	3 (4 Nov)	16	7	7 Jan	23 Dec
60.	Razorbill/Guillemot	113	14	0	0	0	0	0	0	0	17	256	375	775	634	141	202 (30 Dec)	42	19	7 Jan	30 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	3	0	0	0	0	0	0	0	0	0	0	1	4	1	3	3 (7 Jan)	4	2	7 Jan	30 Dec
62.	Red-throated Diver	15	3	23	24	0	0	0	0	13	42	278	151	549	426	123	168 (18 Nov)	71	32	7 Jan	30 Dec
63.	Black-throated Diver	0	0	0	0	0	0	0	0	1	0	1	1	3	3	0	1 (18 Sep)	7	3	18 Sep	9 Dec
64.	diver sp.	25	8	4	4	0	0	0	0	2	11	11	168	233	192	41	144 (30 Dec)	40	18	21 Jan	30 Dec
65.	Leach's Petrel	0	0	0	0	0	0	0	0	2	12	0	0	14	14	0	12 (24 Oct)	7	3	22 Sep	24 Oct
66.	Fulmar	0	0	0	1	0	0	0	0	0	0	0	0	1	1	0	1 (29 Apr)	2	1	29 Apr	29 Apr
67.	Sooty Shearwater	0	0	0	0	0	0	0	1	4	2	0	0	7	6	1	3 (22 Sep)	11	5	25 Aug	2 Oct
68.	Manx Shearwater	0	0	0	0	0	0	0	0	6	5	0	0	11	11	0	6 (22 Sep)	4	2	22 Sep	2 Oct
69.	Gannet	40	17	4	40	28	0	0	15	99	198	95	226	762	576	186	125 (30 Dec)	80	36	21 Jan	30 Dec
70.	Cormorant	11	16	30	104	288	0	0	35	129	346	111	24	1094	883	211	274 (20 May)	82	37	7 Jan	30 Dec
71.	Shag	0	0	0	0	0	0	0	1	0	0	0	0	1	0	1	1 (19 Aug)	2	1	19 Aug	19 Aug
72.	Great White Egret	0	0	0	0	0	0	0	0	0	9	0	0	9	9	0	9 (14 Oct)	2	1	14 Oct	14 Oct
73.	Grey Heron	0	0	0	0	0	0	0	0	4	5	0	0	9	9	0	5 (14 Oct)	7	3	2 Sep	14 Oct
74.	Marsh Harrier	0	0	0	0	1	0	0	0	1	0	0	0	2	1	1	1 (6 May)	4	2	6 May	2 Sep
75.	Hen Harrier	0	0	0	0	0	0	0	0	0	0	1	0	1	1	0	1 (18 Nov)	2	1	18 Nov	18 Nov
76.	Short-eared Owl	0	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (14 Oct)	2	1	14 Oct	14 Oct
77.	Kestrel	0	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (24 Oct)	2	1	24 Oct	24 Oct
78.	Hobby	0	0	0	1	0	0	0	0	0	0	0	0	1	1	0	1 (29 Apr)	2	1	29 Apr	29 Apr
79.	Peregrine	0	0	0	1	0	0	0	0	0	1	0	0	2	1	1	1 (22 Apr)	4	2	22 Apr	28 Oct
80.	Jackdaw	0	0	4	0	0	0	0	0	17	0	0	0	21	17	4	15 (24 Sep)	7	3	25 Mar	24 Sep
81.	Carrion Crow	2	3	6	5	0	0	0	0	0	0	1	2	19	6	13	6 (25 Mar)	20	9	21 Jan	23 Dec
82.	Hooded Crow	0	0	1	0	0	0	0	0	0	0	0	0	1	0	1	1 (25 Mar)	2	1	25 Mar	25 Mar
83.	Skylark	0	2	3	0	0	0	0	0	0	29	5	0	39	36	3	17 (14 Oct)	13	6	18 Feb	4 Nov
84.	Sand Martin	0	0	0	0	1	0	0	0	0	0	0	0	1	1	0	1 (13 May)	2	1	13 May	13 May
85.	Swallow	0	0	0	12	25	0	0	0	14	0	0	0	51	21	30	11 (20 May)	18	8	22 Apr	18 Sep
86.	Starling	1	3	45	18	0	0	0	0	0	111	177	0	355	290	65	175 (4 Nov)	16	7	14 Jan	18 Nov
87.	Song Thrush	0	0	0	0	0	0	0	0	0	2	0	0	2	0	2	2 (14 Oct)	2	1	14 Oct	14 Oct
88.	Fieldfare	7	0	0	0	0	0	0	0	0	0	0	0	7	2	5	5 (28 Jan)	4	2	21 Jan	28 Jan
89.	Blue-headed Wagtail	0	0	0	6	0	0	0	0	0	0	0	0	6	6	0	6 (22 Apr)	2	1	22 Apr	22 Apr
90.	Grey Wagtail	0	0	0	0	0	0	0	0	1	2	2	0	5	4	1	2 (4 Nov)	9	4	24 Sep	4 Nov
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
91.	White Wagtail	0	0	1	1	0	0	0	0	1	1	0	0	4	3	1	1 (25 Mar)	9	4	25 Mar	14 Oct
92.	alba wagtail sp.	0	0	0	6	0	0	0	0	0	0	0	0	6	4	2	5 (8 Apr)	4	2	8 Apr	22 Apr
93.	Meadow Pipit	0	0	0	5	0	0	0	10	2	81	3	0	101	93	8	41 (14 Oct)	20	9	1 Apr	4 Nov
94.	Chaffinch	0	0	0	0	0	0	0	0	0	32	0	0	32	32	0	32 (14 Oct)	2	1	14 Oct	14 Oct
95.	Brambling	0	0	0	0	0	0	0	0	0	1	1	0	2	2	0	1 (14 Oct)	4	2	14 Oct	4 Nov
96.	Linnet	0	0	0	7	0	0	0	0	0	0	0	0	7	7	0	7 (22 Apr)	2	1	22 Apr	22 Apr
97.	Redpoll	0	0	0	0	0	0	0	0	0	0	2	0	2	2	0	2 (4 Nov)	2	1	4 Nov	4 Nov
98.	Siskin	0	0	0	0	0	0	0	0	0	2	0	0	2	2	0	1 (7 Oct)	4	2	7 Oct	14 Oct
99.	Snow Bunting	0	0	0	0	0	0	0	0	0	0	2	0	2	2	0	2 (4 Nov)	2	1	4 Nov	4 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	2	0	0	0	0	0	0	0	3	0	0	0	5	1	4	2 (14 Jan)	9	4	14 Jan	22 Sep
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
	Totals	379	256	572	2304	1078	0	0	957	2291	1705	1174	1285	12001	8222	3779		100	45
	Observation hours	5:55	4:50	3:30	10:30	4:55	0:00	0:00	6:41	25:30	25:05	11:00	7:15	105:11

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Trektellen

Totals Maasvlakte II 2018