Totals Maasvlakte II 2019

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	2	0	1365	45	0	0	0	0	14	165	0	0	1591	179	1412	1222 (17 Mar)	26	10	13 Jan	27 Oct
2.	Canada Goose	0	7	0	0	0	0	0	0	0	0	0	0	7	7	0	7 (24 Feb)	3	1	24 Feb	24 Feb
3.	Greylag Goose	0	11	3	5	0	0	0	0	0	0	0	0	19	11	8	11 (24 Feb)	13	5	24 Feb	21 Apr
4.	Mute Swan	0	0	3	0	0	0	0	0	0	0	0	0	3	3	0	3 (24 Mar)	3	1	24 Mar	24 Mar
5.	Egyptian Goose	2	1	0	20	0	0	0	0	0	0	1	5	29	27	2	20 (7 Apr)	13	5	20 Jan	29 Dec
6.	Shelduck	1	2	3	2	0	0	0	0	18	25	0	0	51	44	7	25 (27 Oct)	24	9	13 Jan	27 Oct
7.	Shoveler	0	0	2	2	0	0	0	0	0	0	0	3	7	3	4	3 (29 Dec)	8	3	31 Mar	29 Dec
8.	Wigeon	0	0	4	0	0	0	0	0	0	5	0	32	41	37	4	24 (22 Dec)	13	5	24 Mar	29 Dec
9.	Teal	0	0	4	0	0	0	0	0	10	0	4	3	21	13	8	5 (2 Sep)	13	5	31 Mar	22 Dec
10.	duck sp.	0	0	0	0	0	0	0	0	1	2	5	12	20	13	7	8 (22 Dec)	16	6	22 Sep	22 Dec
11.	Tufted Duck	0	0	0	0	0	0	0	0	2	0	0	0	2	2	0	2 (2 Sep)	3	1	2 Sep	2 Sep
12.	Eider	2	14	23	2	2	0	0	0	18	11	20	11	103	75	28	15 (24 Mar)	55	21	13 Jan	29 Dec
13.	Velvet Scoter	0	0	7	0	0	0	0	0	0	3	1	15	26	10	16	8 (1 Dec)	18	7	17 Mar	29 Dec
14.	Common Scoter	398	53	390	13	26	0	0	0	202	129	125	74	1410	366	1044	382 (6 Jan)	89	34	6 Jan	29 Dec
15.	Goldeneye	0	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 (30 Sep)	3	1	30 Sep	30 Sep
16.	Goosander	0	3	1	0	0	0	0	0	0	0	0	0	4	1	3	3 (24 Feb)	5	2	24 Feb	17 Mar
17.	Red-breasted Merganser	7	31	26	6	0	0	0	0	21	17	6	32	146	75	71	31 (24 Feb)	61	23	6 Jan	29 Dec
18.	Great Crested Grebe	15	12	8	5	1	0	0	0	8	5	11	7	72	48	24	9 (13 Jan)	55	21	6 Jan	29 Dec
19.	Black-necked Grebe	0	0	0	0	0	0	0	0	0	0	1	0	1	1	0	1 (3 Nov)	3	1	3 Nov	3 Nov
20.	Oystercatcher	0	12	6	11	2	0	0	0	1	1	2	1	36	18	18	12 (24 Feb)	29	11	24 Feb	1 Dec
21.	Grey Plover	0	0	0	5	5	0	0	0	3	1	0	0	14	4	10	5 (21 Apr)	13	5	21 Apr	2 Oct
22.	Golden Plover	0	0	13	0	0	0	0	0	0	0	0	0	13	0	13	13 (31 Mar)	3	1	31 Mar	31 Mar
23.	Ringed Plover	0	0	0	0	0	0	0	0	1	4	0	0	5	3	2	4 (13 Oct)	5	2	22 Sep	13 Oct
24.	Whimbrel	0	0	0	3	0	0	0	0	9	0	0	0	12	9	3	6 (22 Sep)	11	4	21 Apr	28 Sep
25.	Curlew	0	0	13	4	1	0	0	0	5	0	0	0	23	5	18	13 (31 Mar)	13	5	31 Mar	30 Sep
26.	Bar-tailed Godwit	0	0	0	0	0	0	0	0	2	0	0	0	2	2	0	2 (15 Sep)	3	1	15 Sep	15 Sep
27.	Grey Phalarope	0	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 (30 Sep)	3	1	30 Sep	30 Sep
28.	Redshank	0	0	16	0	0	0	0	0	0	0	0	0	16	0	16	16 (31 Mar)	3	1	31 Mar	31 Mar
29.	Greenshank	0	0	0	0	0	0	0	0	2	0	0	0	2	2	0	1 (22 Sep)	5	2	22 Sep	29 Sep
30.	Turnstone	0	0	0	0	0	0	0	0	9	0	0	0	9	9	0	4 (2 Sep)	8	3	2 Sep	28 Sep
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
31.	Knot	0	0	0	0	6	0	0	0	8	8	0	0	22	16	6	8 (2 Oct)	11	4	5 May	2 Oct
32.	wader sp.	0	2	7	0	0	0	0	0	4	0	0	0	13	6	7	7 (24 Mar)	13	5	24 Feb	30 Sep
33.	Sanderling	0	0	12	6	0	0	0	0	63	0	9	0	90	63	27	35 (5 Sep)	18	7	24 Mar	10 Nov
34.	Dunlin	0	0	80	0	0	0	0	0	120	16	3	1	220	141	79	85 (30 Sep)	37	14	17 Mar	15 Dec
35.	Little Tern	0	0	0	4	18	0	0	0	4	0	0	0	26	4	22	10 (12 May)	11	4	21 Apr	15 Sep
36.	Black Tern	0	0	0	6	3	0	0	0	8	4	0	0	21	12	9	8 (30 Sep)	13	5	21 Apr	13 Oct
37.	Arctic Tern	0	0	0	3	0	0	0	0	1	9	3	0	16	12	4	9 (1 Oct)	13	5	21 Apr	17 Nov
38.	Common/Arctic Tern	0	0	0	8	988	0	0	0	0	4	0	0	1000	4	996	544 (12 May)	13	5	21 Apr	27 Oct
39.	Common Tern	0	0	0	281	40	0	0	0	118	0	0	0	439	49	390	259 (14 Apr)	18	7	14 Apr	27 Sep
40.	Sandwich Tern	0	0	3	507	50	0	0	0	1705	135	2	0	2402	1478	924	517 (22 Sep)	47	18	24 Mar	10 Nov
41.	Little Gull	0	0	0	1783	0	0	0	0	23	1	30	0	1837	51	1786	1707 (21 Apr)	18	7	14 Apr	17 Nov
42.	Kittiwake	458	0	1	0	0	0	0	0	0	1	0	57	517	504	13	435 (13 Jan)	16	6	6 Jan	15 Dec
43.	Sabine's Gull	0	0	0	0	0	0	0	0	2	0	0	0	2	2	0	1 (5 Sep)	5	2	5 Sep	30 Sep
44.	Black-headed Gull	0	0	25	81	0	0	0	0	0	383	0	197	686	580	106	383 (2 Oct)	11	4	24 Mar	29 Dec
45.	Mediterranean Gull	0	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 (7 Sep)	3	1	7 Sep	7 Sep
46.	Lesser Black-backed Gull	1	0	0	0	0	0	0	0	0	0	0	0	1	0	1	1 (6 Jan)	3	1	6 Jan	6 Jan
47.	Long-tailed Skua	0	0	0	0	0	0	0	0	2	0	0	0	2	2	0	1 (5 Sep)	5	2	5 Sep	30 Sep
48.	skua sp.	0	0	0	0	0	0	0	0	2	0	0	0	2	2	0	2 (30 Sep)	3	1	30 Sep	30 Sep
49.	Arctic Skua	0	0	0	1	0	0	0	0	44	8	0	0	53	47	6	16 (30 Sep)	29	11	21 Apr	27 Oct
50.	Pomarine Skua	0	0	1	0	0	0	0	0	6	8	0	0	15	14	1	7 (27 Oct)	13	5	31 Mar	27 Oct
51.	Great Skua	0	0	0	0	0	0	0	0	7	2	0	0	9	8	1	2 (5 Sep)	16	6	5 Sep	27 Oct
52.	Razorbill	12	0	0	0	0	0	0	0	1	2	1	0	16	14	2	9 (13 Jan)	13	5	6 Jan	3 Nov
53.	Razorbill/Guillemot	384	73	1	0	0	0	0	0	8	42	118	37	663	450	213	197 (13 Jan)	42	16	6 Jan	15 Dec
54.	Little Auk	0	0	0	0	0	0	0	0	0	0	1	0	1	0	1	1 (10 Nov)	3	1	10 Nov	10 Nov
55.	Guillemot	26	0	1	0	0	0	0	0	1	0	1	0	29	26	3	18 (13 Jan)	16	6	6 Jan	3 Nov
56.	Red-throated Diver	43	73	9	2	0	0	0	0	57	142	399	122	847	667	180	166 (10 Nov)	71	27	6 Jan	29 Dec
57.	Black-throated Diver	1	1	0	0	0	0	0	0	0	1	1	1	5	3	2	1 (20 Jan)	13	5	20 Jan	15 Dec
58.	Great Northern Diver	0	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 (7 Sep)	3	1	7 Sep	7 Sep
59.	diver sp.	175	63	0	0	0	0	0	0	1	0	30	23	292	123	169	119 (13 Jan)	29	11	6 Jan	29 Dec
60.	Leach's Petrel	0	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (2 Oct)	3	1	2 Oct	2 Oct
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
61.	Sooty Shearwater	0	0	0	0	0	0	0	0	2	1	0	0	3	3	0	1 (28 Sep)	8	3	28 Sep	27 Oct
62.	Manx Shearwater	0	0	0	0	0	0	0	0	10	0	0	0	10	10	0	9 (30 Sep)	5	2	28 Sep	30 Sep
63.	Gannet	350	6	73	1	0	0	0	0	234	33	12	102	811	537	274	229 (6 Jan)	74	28	6 Jan	29 Dec
64.	Cormorant	28	2	108	95	8	0	0	0	81	26	105	25	478	270	208	61 (7 Apr)	82	31	6 Jan	29 Dec
65.	Grey Heron	0	0	0	0	0	0	0	0	1	1	0	0	2	2	0	1 (7 Sep)	5	2	7 Sep	13 Oct
66.	Sparrowhawk	0	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (13 Oct)	3	1	13 Oct	13 Oct
67.	Short-eared Owl	0	0	0	1	0	0	0	0	0	0	0	0	1	1	0	1 (21 Apr)	3	1	21 Apr	21 Apr
68.	Kestrel	0	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (13 Oct)	3	1	13 Oct	13 Oct
69.	Peregrine	0	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 (2 Sep)	3	1	2 Sep	2 Sep
70.	Jackdaw	0	0	0	0	0	0	0	0	0	3	0	0	3	3	0	3 (2 Oct)	3	1	2 Oct	2 Oct
71.	Carrion Crow	3	0	8	13	0	0	0	0	0	2	0	1	27	14	13	13 (21 Apr)	16	6	20 Jan	29 Dec
72.	Skylark	0	2	0	0	0	0	0	0	1	7	0	0	10	10	0	5 (2 Oct)	11	4	24 Feb	20 Oct
73.	Swallow	0	0	0	13	0	0	0	0	21	0	0	0	34	20	14	18 (7 Sep)	8	3	21 Apr	8 Sep
74.	Starling	0	0	0	0	0	0	0	0	0	11525	1310	0	12835	12835	0	11440 (13 Oct)	13	5	13 Oct	17 Nov
75.	Robin	0	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (13 Oct)	3	1	13 Oct	13 Oct
76.	Blue-headed Wagtail	0	0	0	2	0	0	0	0	0	0	0	0	2	0	2	2 (21 Apr)	3	1	21 Apr	21 Apr
77.	Grey Wagtail	0	0	0	0	0	0	0	0	0	11	0	0	11	11	0	11 (13 Oct)	3	1	13 Oct	13 Oct
78.	White Wagtail	0	1	0	3	0	0	0	0	0	0	0	0	4	0	4	2 (21 Apr)	8	3	24 Feb	21 Apr
79.	Meadow Pipit	0	0	4	9	0	0	0	0	43	156	0	1	213	204	9	153 (13 Oct)	29	11	17 Mar	1 Dec
80.	Rock Pipit	0	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 (18 Sep)	3	1	18 Sep	18 Sep
81.	Chaffinch	0	0	0	0	0	0	0	0	0	130	0	0	130	130	0	130 (13 Oct)	3	1	13 Oct	13 Oct
82.	Brambling	0	0	0	0	0	0	0	0	0	30	1	0	31	31	0	30 (13 Oct)	5	2	13 Oct	10 Nov
83.	Linnet	0	0	0	2	0	0	0	0	0	0	0	0	2	0	2	2 (21 Apr)	3	1	21 Apr	21 Apr
84.	Siskin	0	0	0	0	0	0	0	0	0	2217	0	0	2217	2217	0	2210 (13 Oct)	5	2	13 Oct	20 Oct
	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	3	0	0	0	0	0	0	0	0	0	0	0	3	2	1	3 (20 Jan)	3	1	20 Jan	20 Jan
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
	Totals	1911	369	2220	2944	1150	0	0	0	2910	15280	2202	762	29748	21555	8193		100	38
	Observation hours	5:20	4:00	7:00	6:15	4:00	0:00	0:00	0:00	36:00	17:45	8:55	9:20	98:35

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Trektellen

Totals Maasvlakte II 2019