Also present

Totals Westerslag, Texel 2020

	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	87	80	22	59	31	0	0	0	60	754	447	37	1577	1284	293	248 ( 3 Oct)	44	47	4 Jan	24 Dec
2.	Canada Goose	0	0	0	0	0	0	0	0	0	0	1	0	1	1	0	1 ( 6 Nov)	1	1	6 Nov	6 Nov
3.	Barnacle Goose	0	0	0	6	17	0	0	0	0	0	176	0	199	155	44	120 (28 Nov)	6	6	5 Apr	29 Nov
4.	Greylag Goose	0	5	69	14	90	0	1	0	0	10	14	0	203	31	172	90 (21 May)	16	17	8 Feb	28 Nov
5.	Tundra Bean Goose	7	0	0	0	0	0	0	0	0	0	0	0	7	7	0	7 (26 Jan)	1	1	26 Jan	26 Jan
6.	Eurasian White-fronted Goose	0	0	0	0	0	0	0	0	0	0	55	23	78	54	24	26 (28 Nov)	4	4	10 Nov	24 Dec
7.	Black Swan	0	0	0	0	1	0	0	0	0	0	0	0	1	1	0	1 ( 9 May)	1	1	9 May	9 May
8.	Mute Swan	0	0	0	0	6	0	0	0	0	0	0	0	6	6	0	5 (21 May)	2	2	9 May	21 May
9.	Egyptian Goose	0	3	26	24	18	0	0	0	0	1	14	20	106	66	40	16 (30 Dec)	20	21	8 Feb	30 Dec
10.	Shelduck	0	0	10	5	17	0	0	12	0	0	1	0	45	7	38	14 ( 9 May)	8	9	14 Mar	20 Nov
11.	Shoveler	0	0	35	157	0	0	0	0	0	2	5	0	199	28	171	121 ( 5 Apr)	7	7	14 Mar	9 Nov
12.	Gadwall	0	0	0	26	21	0	0	2	0	0	2	0	51	29	22	13 ( 5 Apr)	7	7	5 Apr	8 Nov
13.	Wigeon	14	11	24	15	1	0	0	0	35	34	460	8	602	455	147	147 (28 Nov)	25	27	5 Jan	29 Dec
14.	Mallard	0	0	0	7	0	0	0	0	0	1	1	0	9	8	1	7 ( 5 Apr)	3	3	5 Apr	15 Nov
15.	Pintail	0	0	23	141	0	0	0	0	22	15	0	13	214	44	170	141 ( 5 Apr)	7	7	14 Mar	26 Dec
16.	Teal	1	21	33	337	1	0	2	79	59	37	29	2	601	192	409	250 ( 5 Apr)	36	38	5 Jan	29 Dec
17.	Pochard	0	0	0	0	0	0	0	3	0	0	0	0	3	0	3	3 ( 8 Aug)	1	1	8 Aug	8 Aug
18.	Tufted Duck	0	0	0	6	1	0	3	2	6	0	0	0	18	12	6	6 (11 Apr)	6	6	11 Apr	9 Sep
19.	Scaup	0	1	3	1	0	0	0	1	34	11	31	3	85	81	4	31 (19 Sep)	14	15	15 Feb	28 Dec
20.	Eider	159	466	982	1196	444	49	31	0	16	79	293	153	3868	2949	919	322 (12 Apr)	74	78	4 Jan	30 Dec
21.	Velvet Scoter	6	1	6	10	13	0	0	0	0	68	91	7	202	141	61	26 (31 Oct)	35	37	5 Jan	30 Dec
22.	Common Scoter	1249	457	7784	7948	2954	707	1373	2868	1874	13592	19821	3999	64626	50198	14428	2438 (21 Nov)	100	106	4 Jan	30 Dec
23.	Long-tailed Duck	0	0	0	5	0	0	1	0	1	1	0	2	10	5	5	3 (12 Apr)	7	7	12 Apr	26 Dec
24.	Goldeneye	2	0	0	0	0	0	0	0	0	1	21	1	25	20	5	8 (28 Nov)	8	9	5 Jan	24 Dec
25.	Goosander	0	0	0	1	0	0	0	0	0	4	11	0	16	14	2	3 (31 Oct)	7	7	27 Apr	29 Nov
26.	Red-breasted Merganser	3	0	40	18	2	0	0	0	3	14	35	0	115	70	45	23 (22 Mar)	22	23	18 Jan	29 Nov
27.	Swift	0	0	0	0	0	1	14	0	0	0	0	0	15	15	0	14 ( 5 Jul)	2	2	28 Jun	5 Jul
28.	dove (Columba) sp.	0	0	0	0	0	3	0	0	0	0	0	0	3	3	0	3 (28 Jun)	1	1	28 Jun	28 Jun
29.	Red-necked Grebe	3	1	1	0	0	0	0	1	0	1	2	2	11	8	3	2 (18 Jan)	9	10	5 Jan	25 Dec
30.	Great Crested Grebe	11	28	8	3	4	0	0	2	2	3	9	3	73	62	11	11 (15 Feb)	29	31	4 Jan	28 Dec
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
31.	Slavonian Grebe	0	0	2	0	0	0	0	0	0	2	0	0	4	2	2	2 (14 Mar)	2	2	14 Mar	18 Oct
32.	Black-necked Grebe	0	0	0	0	0	0	0	0	0	0	2	0	2	2	0	2 (10 Nov)	1	1	10 Nov	10 Nov
33.	Oystercatcher	9	4	12	11	13	0	19	14	4	3	2	0	91	76	15	13 (31 Jul)	19	20	5 Jan	8 Nov
34.	Avocet	0	0	5	0	0	0	0	0	0	0	0	0	5	5	0	5 (15 Mar)	1	1	15 Mar	15 Mar
35.	Lapwing	0	0	0	0	0	0	0	0	0	0	1	0	1	0	1	1 ( 8 Nov)	1	1	8 Nov	8 Nov
36.	Golden Plover	0	0	0	0	0	0	0	2	2	0	12	0	16	12	4	12 ( 1 Nov)	3	3	9 Aug	1 Nov
37.	Grey Plover	0	0	6	14	0	0	1	0	100	2	0	0	123	3	120	99 (20 Sep)	9	10	20 Mar	24 Oct
38.	Ringed Plover	0	0	0	0	0	0	0	8	0	0	3	0	11	3	8	6 (27 Aug)	4	4	2 Aug	5 Nov
39.	Whimbrel	0	0	0	10	2	0	10	2	25	0	0	0	49	37	12	22 ( 4 Sep)	9	10	18 Apr	13 Sep
40.	Curlew	0	1	2	6	2	1	0	1	1	1	0	0	15	7	8	5 (19 Apr)	10	11	15 Feb	31 Oct
41.	Bar-tailed Godwit	0	0	3	266	66	0	4	4	2	0	0	0	345	10	335	141 (25 Apr)	13	14	21 Mar	20 Sep
42.	Turnstone	1	0	0	1	7	0	14	5	6	2	2	0	38	26	12	14 (31 Jul)	13	14	25 Jan	13 Nov
43.	Knot	0	0	23	1	0	0	3	0	25	42	3	0	97	39	58	30 ( 3 Oct)	11	12	20 Mar	9 Nov
44.	Ruff	0	1	0	0	0	0	0	0	0	0	0	0	1	1	0	1 ( 8 Feb)	1	1	8 Feb	8 Feb
45.	Sanderling	31	60	50	537	1451	5	20	35	73	40	15	2	2319	493	1826	765 (21 May)	47	50	18 Jan	24 Dec
46.	Dunlin	0	0	89	53	0	0	13	7	119	64	85	0	430	159	271	107 (20 Sep)	27	29	20 Mar	21 Nov
47.	Purple Sandpiper	0	0	0	0	0	0	0	0	0	0	0	1	1	1	0	1 (26 Dec)	1	1	26 Dec	26 Dec
48.	Snipe	0	0	0	0	0	0	0	1	3	0	1	0	5	5	0	3 (27 Sep)	3	3	9 Aug	15 Nov
49.	Redshank	0	0	0	0	0	0	29	1	0	0	0	0	30	29	1	23 (31 Jul)	3	3	18 Jul	9 Aug
50.	Greenshank	0	0	0	0	2	0	1	9	0	0	0	0	12	10	2	6 ( 8 Aug)	4	4	21 May	8 Aug
51.	Kittiwake	555	56	17	0	1	0	0	2	0	597	2901	3292	7421	6418	1003	1872 (30 Dec)	39	41	4 Jan	30 Dec
52.	Sabine's Gull	0	0	0	0	0	0	0	0	0	0	2	0	2	2	0	1 ( 4 Nov)	2	2	4 Nov	5 Nov
53.	Black-headed Gull	53	213	47	115	64	70	6357	6040	1857	605	2454	201	18076	16666	1410	2073 (17 Jul)	81	86	5 Jan	30 Dec
54.	Little Gull	0	0	6	468	21	0	1	3	6	61	1484	1	2051	1880	171	475 ( 1 Nov)	38	40	22 Mar	25 Dec
55.	Mediterranean Gull	0	0	0	0	0	0	1	0	3	0	0	0	4	2	2	2 (13 Sep)	3	3	17 Jul	27 Sep
56.	Common Gull	140	230	257	281	165	38	410	437	494	91	198	0	2741	1938	803	295 (31 Jul)	68	72	4 Jan	22 Nov
57.	Great Black-backed Gull	31	17	23	0	0	6	1	4	10	6	38	0	136	113	23	37 (22 Nov)	26	28	4 Jan	22 Nov
58.	Herring Gull	586	851	655	333	303	566	571	243	549	678	88	0	5423	3777	1646	494 (26 Sep)	45	48	4 Jan	15 Nov
59.	Caspian Gull	1	0	0	0	0	0	0	0	0	1	1	0	3	3	0	1 ( 5 Jan)	3	3	5 Jan	1 Nov
60.	Lesser Black-backed Gull	5	136	1907	650	1590	992	2090	282	120	174	80	3	8029	4815	3214	998 (18 Jul)	43	46	4 Jan	26 Dec
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
61.	Sandwich Tern	0	0	13	2720	8490	1880	1741	6689	3492	572	5	0	25602	18362	7240	1745 (21 May)	65	69	20 Mar	21 Nov
62.	Little Tern	0	0	0	35	76	8	0	1	7	0	0	0	127	63	64	23 (19 Apr)	15	16	19 Apr	13 Sep
63.	Common Tern	0	0	0	528	404	170	449	4563	456	0	0	0	6570	5055	1515	1528 (16 Aug)	36	38	5 Apr	20 Sep
64.	Arctic Tern	0	0	0	2	0	0	5	9	20	1	0	0	37	35	2	18 ( 4 Sep)	8	8	18 Apr	10 Oct
65.	Common/Arctic Tern	0	0	0	0	340	0	0	0	185	0	1	0	526	249	277	242 ( 9 May)	6	6	9 May	6 Nov
66.	Black Tern	0	0	0	6	6	0	1	5	20	0	0	0	38	30	8	11 ( 5 Sep)	11	12	19 Apr	13 Sep
67.	Great Skua	0	0	0	1	3	0	0	8	5	10	4	9	40	22	18	5 (30 Dec)	24	25	12 Apr	30 Dec
68.	Pomarine Skua	1	0	0	0	2	0	0	1	1	10	3	1	19	10	9	2 ( 4 May)	15	16	18 Jan	30 Dec
69.	Arctic Skua	0	0	0	4	27	2	8	26	29	30	10	2	138	70	68	11 (26 Aug)	40	42	12 Apr	25 Dec
70.	Long-tailed Skua	0	0	0	0	0	0	0	0	2	0	0	0	2	2	0	1 ( 9 Sep)	2	2	9 Sep	12 Sep
71.	skua sp.	0	0	0	0	0	0	0	4	0	2	0	0	6	6	0	4 (26 Aug)	3	3	26 Aug	24 Oct
72.	Little Auk	0	0	0	0	0	0	0	0	0	1	4	0	5	5	0	4 (15 Nov)	2	2	19 Oct	15 Nov
73.	Guillemot	0	2	0	0	0	0	0	0	1	1	0	0	4	3	1	2 ( 1 Feb)	3	3	1 Feb	19 Oct
74.	Razorbill	0	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (19 Oct)	1	1	19 Oct	19 Oct
75.	Razorbill/Guillemot	143	59	0	27	8	2	0	0	138	2316	9909	2393	14995	11036	3959	1533 ( 6 Dec)	58	62	4 Jan	30 Dec
76.	Black Guillemot	0	0	0	0	0	0	0	0	0	1	0	0	1	0	1	1 (12 Oct)	1	1	12 Oct	12 Oct
77.	Red-throated Diver	561	149	91	107	28	1	2	1	124	545	2761	1776	6146	5610	536	712 ( 6 Dec)	79	84	4 Jan	30 Dec
78.	Black-throated Diver	1	6	0	7	5	0	0	0	0	4	13	7	43	31	12	7 ( 6 Dec)	17	18	5 Jan	6 Dec
79.	diver sp.	0	0	0	0	0	0	0	0	1	0	0	0	1	0	1	1 (20 Sep)	1	1	20 Sep	20 Sep
80.	Leach's Petrel	0	0	0	0	0	0	0	0	0	0	1	0	1	1	0	1 (22 Nov)	1	1	22 Nov	22 Nov
81.	Fulmar	0	0	0	0	0	0	0	3	1	1	0	0	5	1	4	2 (26 Aug)	4	4	2 Aug	19 Oct
82.	Sooty Shearwater	0	0	0	0	0	0	0	6	10	12	4	0	32	31	1	6 (23 Aug)	12	13	23 Aug	22 Nov
83.	Manx Shearwater	0	0	0	0	0	1	0	2	5	0	0	0	8	6	2	5 ( 4 Sep)	3	3	28 Jun	4 Sep
84.	Balearic Shearwater	0	0	0	0	0	0	0	1	2	0	0	0	3	2	1	2 ( 4 Sep)	2	2	29 Aug	4 Sep
85.	shearwater sp.	0	0	0	0	0	0	0	0	18	1	0	0	19	19	0	14 ( 5 Sep)	4	4	4 Sep	10 Oct
86.	Gannet	240	85	39	17	290	61	223	349	238	704	923	394	3563	2398	1165	271 ( 6 Nov)	97	103	4 Jan	30 Dec
87.	Cormorant	16	29	579	848	2355	129	558	251	290	243	457	27	5782	3579	2203	630 (22 May)	94	100	4 Jan	30 Dec
88.	Grey Heron	0	0	0	0	0	0	12	1	0	0	4	0	17	16	1	12 (31 Jul)	5	5	31 Jul	9 Nov
89.	Marsh Harrier	0	0	0	0	1	0	0	0	0	0	0	0	1	0	1	1 ( 4 May)	1	1	4 May	4 May
90.	Hen Harrier	0	0	0	1	0	0	0	0	0	0	2	0	3	2	1	2 (10 Nov)	2	2	11 Apr	10 Nov
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
91.	Kestrel	0	0	0	1	0	0	0	0	0	1	1	0	3	2	1	1 (11 Apr)	3	3	11 Apr	9 Nov
92.	Merlin	0	0	0	0	0	0	0	0	0	1	0	0	1	0	1	1 ( 4 Oct)	1	1	4 Oct	4 Oct
93.	Peregrine	0	0	0	0	0	0	0	0	0	0	1	0	1	1	0	1 (13 Nov)	1	1	13 Nov	13 Nov
94.	Skylark	0	0	0	0	0	0	0	0	0	0	121	0	121	121	0	102 ( 5 Nov)	3	3	1 Nov	8 Nov
95.	Sand Martin	0	0	0	3	10	0	0	0	0	0	0	0	13	10	3	10 (22 May)	2	2	18 Apr	22 May
96.	Swallow	0	0	0	5	23	0	0	0	1	0	0	0	29	15	14	10 (22 May)	7	7	11 Apr	20 Sep
97.	House Martin	0	0	0	0	1	0	0	0	0	0	0	0	1	1	0	1 (17 May)	1	1	17 May	17 May
98.	Starling	0	0	67	0	0	0	2	0	0	450	46686	0	47205	47138	67	34180 ( 1 Nov)	12	13	14 Mar	21 Nov
99.	Blackbird	0	0	0	0	0	0	0	0	0	0	1	0	1	1	0	1 ( 9 Nov)	1	1	9 Nov	9 Nov
100.	Robin	0	0	0	0	0	0	0	0	0	0	1	0	1	1	0	1 ( 8 Nov)	1	1	8 Nov	8 Nov
101.	Wheatear	0	0	0	0	0	0	0	0	1	0	0	0	1	0	1	1 (20 Sep)	1	1	20 Sep	20 Sep
102.	Grey Wagtail	0	0	1	0	0	0	0	0	0	1	1	0	3	2	1	1 (22 Mar)	3	3	22 Mar	8 Nov
103.	White Wagtail	0	0	6	0	0	0	0	0	0	0	1	0	7	0	7	5 (14 Mar)	3	3	14 Mar	8 Nov
104.	Meadow Pipit	0	0	8	0	0	0	0	0	0	0	0	0	8	0	8	3 (28 Mar)	4	4	14 Mar	28 Mar
105.	Tree Pipit	0	0	0	1	0	0	0	0	0	0	0	0	1	0	1	1 (25 Apr)	1	1	25 Apr	25 Apr
106.	Rock Pipit	0	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 (27 Sep)	1	1	27 Sep	27 Sep
107.	Snow Bunting	0	0	0	0	0	0	0	0	0	1	3	1	5	2	3	3 (10 Nov)	3	3	9 Oct	6 Dec
	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	1	2	4	4	1	5	9	0	26	22	4	3 (18 Oct)	14	15	22 May	20 Nov
2.	Grey seal	0	0	0	0	0	0	0	1	0	0	0	0	1	0	1	1 ( 8 Aug)	1	1	8 Aug	8 Aug
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
	Totals	3916	2973	12974	17038	19378	4694	13975	21995	10560	21911	89817	12383	231614	186442	45172		100	106
	Observation hours	11:00	6:00	16:00	14:00	20:00	6:00	12:00	24:45	24:00	30:15	40:30	14:00	218:30

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Totals Westerslag, Texel 2020