Also present

Totals Westerslag, Texel 2021

	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	34	204	1168	5	23	0	0	0	148	837	73	41	2533	1162	1371	750 ( 6 Oct)	37	55	2 Jan	29 Dec
2.	Pale-bellied Brent Goose	0	7	0	0	0	0	0	0	0	1	0	0	8	8	0	7 (14 Feb)	1	2	14 Feb	23 Oct
3.	Canada Goose	0	0	2	2	0	0	0	0	0	0	0	0	4	4	0	2 (19 Mar)	1	2	19 Mar	11 Apr
4.	Barnacle Goose	0	1	12	0	2	0	0	0	0	0	0	2	17	4	13	12 ( 7 Mar)	3	4	20 Feb	28 Dec
5.	Greylag Goose	9	266	155	35	7	0	0	0	0	3	1	0	476	94	382	156 (21 Feb)	24	36	10 Jan	19 Nov
6.	Eurasian White-fronted Goose	29	6	0	0	0	0	0	0	0	0	0	1	36	35	1	28 ( 3 Jan)	3	4	3 Jan	28 Dec
7.	Mute Swan	0	0	0	0	35	0	0	0	0	0	0	0	35	2	33	33 ( 9 May)	1	2	8 May	9 May
8.	Egyptian Goose	12	8	6	12	2	2	0	0	0	9	2	5	58	29	29	9 (31 Jan)	13	19	17 Jan	5 Dec
9.	Shelduck	2	14	12	10	5	0	1	19	1	1	0	6	71	24	47	15 (21 Aug)	13	20	3 Jan	26 Dec
10.	Shoveler	0	1	7	2	0	1	0	1	0	8	0	0	20	11	9	6 (31 Mar)	5	8	20 Feb	10 Oct
11.	Gadwall	0	2	0	0	2	0	0	1	1	0	0	0	6	6	0	2 ( 6 Feb)	3	4	6 Feb	15 Sep
12.	Wigeon	27	146	57	8	1	0	0	1	51	96	60	42	489	277	212	66 ( 6 Oct)	24	36	3 Jan	28 Dec
13.	Mallard	0	2	1	0	1	1	0	0	3	0	0	3	11	3	8	3 (26 Dec)	5	7	10 Feb	26 Dec
14.	Pintail	0	40	8	6	0	0	0	0	4	3	0	0	61	4	57	27 (14 Feb)	7	11	14 Feb	13 Oct
15.	Teal	4	217	162	209	42	0	0	39	209	46	17	56	1001	530	471	145 (15 Sep)	43	64	17 Jan	28 Dec
16.	Pochard	0	2	0	0	0	3	0	0	3	0	0	0	8	5	3	3 ( 8 Jun)	3	4	12 Feb	13 Sep
17.	Tufted Duck	0	6	2	0	3	0	0	2	7	19	0	1	40	34	6	18 (10 Oct)	8	12	13 Feb	25 Dec
18.	Scaup	0	23	1	0	0	0	0	0	0	26	8	5	63	55	8	19 (24 Oct)	8	12	12 Feb	26 Dec
19.	Eider	356	2681	3342	547	162	46	12	0	26	59	302	165	7698	6835	863	522 (24 Feb)	71	106	2 Jan	31 Dec
20.	Velvet Scoter	44	54	108	12	38	0	0	0	1	22	7	22	308	217	91	40 (10 Mar)	42	62	2 Jan	31 Dec
21.	Common Scoter	9278	12349	18370	13667	3977	554	109	1398	5332	12972	2251	2730	82987	58836	24151	2648 (17 Apr)	100	149	2 Jan	31 Dec
22.	Long-tailed Duck	4	11	1	0	0	0	0	0	0	0	1	0	17	13	4	3 (27 Feb)	7	11	12 Jan	6 Nov
23.	Goldeneye	6	20	7	0	0	0	0	0	0	5	2	2	42	26	16	16 (13 Feb)	11	16	4 Jan	8 Dec
24.	Smew	0	5	0	0	0	0	0	0	1	0	0	0	6	5	1	4 (13 Feb)	2	3	11 Feb	8 Sep
25.	Goosander	0	10	0	0	0	0	0	0	0	0	1	0	11	11	0	5 (14 Feb)	3	4	13 Feb	22 Nov
26.	Red-breasted Merganser	4	151	23	15	5	0	0	0	5	33	4	28	268	176	92	61 (14 Feb)	32	48	17 Jan	29 Dec
27.	Swift	0	0	0	0	1	1	0	0	0	0	0	0	2	2	0	1 ( 9 May)	1	2	9 May	3 Jun
28.	Stock Dove	0	0	0	0	0	1	0	0	0	0	0	0	1	1	0	1 ( 8 Jun)	1	1	8 Jun	8 Jun
29.	Little Grebe	0	1	0	0	0	0	0	0	0	0	0	0	1	1	0	1 (20 Feb)	1	1	20 Feb	20 Feb
30.	Red-necked Grebe	6	14	6	1	0	0	0	0	0	3	4	4	38	32	6	5 (12 Feb)	17	25	6 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
31.	Great Crested Grebe	8	236	30	5	3	0	0	5	17	43	9	25	381	332	49	43 (14 Feb)	50	74	6 Jan	30 Dec
32.	Slavonian Grebe	0	87	0	0	0	0	0	0	0	0	0	0	87	84	3	16 (19 Feb)	8	12	6 Feb	25 Feb
33.	Black-necked Grebe	0	20	0	0	0	0	0	0	0	0	0	1	21	21	0	9 (14 Feb)	4	6	12 Feb	29 Dec
34.	Black-necked / Slavonian Grebe	1	27	1	0	0	0	0	0	0	0	0	0	29	29	0	12 (20 Feb)	5	7	4 Jan	28 Mar
35.	Oystercatcher	5	45	0	0	7	4	0	15	0	4	0	2	82	60	22	21 (24 Feb)	10	15	31 Jan	29 Dec
36.	Grey Plover	0	0	0	0	2	0	0	4	16	0	0	0	22	22	0	16 (29 Sep)	3	4	8 May	29 Sep
37.	Golden Plover	0	0	0	0	0	0	0	0	7	0	0	0	7	7	0	7 (30 Sep)	1	1	30 Sep	30 Sep
38.	Ringed Plover	0	0	0	0	0	0	0	11	2	1	0	0	14	14	0	11 ( 6 Aug)	3	4	6 Aug	10 Oct
39.	Lapwing	0	8	0	0	0	0	0	0	0	0	0	0	8	1	7	8 ( 6 Feb)	1	1	6 Feb	6 Feb
40.	Whimbrel	0	0	0	0	0	0	0	20	0	0	0	0	20	20	0	14 ( 6 Aug)	3	5	1 Aug	20 Aug
41.	Curlew	1	2	20	1	0	0	2	20	38	0	0	0	84	44	40	16 (15 Sep)	15	22	5 Jan	27 Sep
42.	Bar-tailed Godwit	0	0	0	334	42	0	0	17	3	0	0	0	396	20	376	312 (24 Apr)	6	9	2 Apr	15 Sep
43.	Jack Snipe	0	1	0	0	0	0	0	0	0	0	0	0	1	1	0	1 (17 Feb)	1	1	17 Feb	17 Feb
44.	Woodcock	0	3	0	0	0	0	0	0	0	0	1	1	5	5	0	3 ( 6 Feb)	2	3	6 Feb	25 Dec
45.	Snipe	0	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 ( 2 Oct)	1	1	2 Oct	2 Oct
46.	Grey Phalarope	0	0	0	0	0	0	0	0	0	1	0	0	1	1	0	1 (23 Oct)	1	1	23 Oct	23 Oct
47.	Common Sandpiper	0	0	0	0	0	0	0	1	0	0	0	0	1	1	0	1 (31 Aug)	1	1	31 Aug	31 Aug
48.	Redshank	0	0	0	0	0	0	0	12	0	0	0	0	12	0	12	12 (31 Aug)	1	1	31 Aug	31 Aug
49.	Greenshank	0	0	0	0	0	0	2	0	0	0	0	0	2	2	0	2 ( 4 Jul)	1	1	4 Jul	4 Jul
50.	Turnstone	2	4	0	1	7	0	0	24	4	3	0	0	45	35	10	17 (20 Aug)	11	16	16 Jan	9 Oct
51.	Knot	2	0	18	0	5	0	0	30	0	0	36	21	112	87	25	36 (19 Nov)	4	6	23 Jan	26 Dec
52.	Sanderling	27	11	13	350	452	331	0	127	113	55	39	67	1585	660	925	336 (30 May)	32	47	3 Jan	30 Dec
53.	Dunlin	0	23	122	21	7	0	0	8	91	4	2	7	285	121	164	54 (15 Sep)	23	35	6 Feb	28 Dec
54.	Purple Sandpiper	1	0	0	1	0	0	0	4	0	0	0	0	6	0	6	4 (29 Aug)	2	3	4 Jan	29 Aug
55.	Little Tern	0	0	0	77	168	3	5	69	2	0	0	0	324	179	145	56 (30 Apr)	13	19	17 Apr	17 Sep
56.	Gull-billed Tern	0	0	0	0	0	0	0	2	0	0	0	0	2	1	1	1 ( 8 Aug)	1	2	8 Aug	27 Aug
57.	Black Tern	0	0	0	0	9	6	0	967	6	0	0	0	988	629	359	553 (15 Aug)	13	19	9 May	15 Sep
58.	White-winged Black Tern	0	0	0	0	0	0	0	2	0	0	0	0	2	2	0	1 (26 Aug)	1	2	26 Aug	28 Aug
59.	Arctic Tern	0	0	0	9	4	0	1	0	1	0	0	0	15	3	12	8 (23 Apr)	4	6	23 Apr	24 Sep
60.	Common/Arctic Tern	0	0	0	855	695	0	0	6548	22760	223	0	0	31081	25632	5449	5780 (11 Sep)	23	34	18 Apr	30 Oct
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
61.	Common Tern	0	0	0	11	0	235	22	16051	8408	5	0	0	24732	16139	8593	4463 ( 4 Sep)	14	21	17 Apr	22 Oct
62.	Sandwich Tern	1	0	246	2973	3100	2899	241	17254	4195	891	1	0	31801	20099	11702	3406 (20 Aug)	50	75	23 Jan	19 Nov
63.	Little Gull	22	56	526	1387	164	0	0	5	2	318	114	68	2662	874	1788	742 (23 Apr)	42	63	2 Jan	26 Dec
64.	Kittiwake	3265	54	231	348	2	4	0	6	1	640	15909	2555	23015	15311	7704	5412 (19 Nov)	44	65	2 Jan	31 Dec
65.	Sabine's Gull	0	0	0	0	0	0	0	0	0	0	1	0	1	1	0	1 ( 6 Nov)	1	1	6 Nov	6 Nov
66.	Black-headed Gull	227	368	125	127	54	17	248	3044	2249	3903	403	718	11483	10139	1344	1483 (24 Oct)	79	117	2 Jan	30 Dec
67.	Mediterranean Gull	0	0	1	0	0	0	2	2	0	0	0	0	5	4	1	2 ( 4 Jul)	2	3	27 Mar	9 Aug
68.	Common Gull	0	76	0	105	0	48	0	122	0	85	252	24	712	555	157	252 (19 Nov)	10	15	10 Feb	31 Dec
69.	Caspian Gull	1	0	0	0	0	0	0	0	0	9	0	4	14	14	0	7 ( 1 Oct)	4	6	3 Jan	29 Dec
70.	Herring Gull	0	103	0	0	68	776	0	159	0	2	0	0	1108	955	153	630 (19 Jun)	7	10	6 Feb	14 Oct
71.	Yellow-legged Gull	1	0	1	0	0	0	0	0	0	0	0	0	2	1	1	1 (22 Jan)	1	2	22 Jan	28 Mar
72.	Great Black-backed Gull	157	33	16	0	1	8	0	3	0	7	386	274	885	466	419	151 (21 Nov)	29	43	6 Jan	31 Dec
73.	Glaucous Gull	1	0	0	0	0	0	0	0	0	0	0	2	3	1	2	1 ( 6 Jan)	2	3	6 Jan	30 Dec
74.	Lesser Black-backed Gull	3	196	1820	1411	12	3663	0	3276	0	25	3	1	10410	7129	3281	3272 (19 Jun)	32	48	23 Jan	31 Dec
75.	Long-tailed Skua	0	0	0	0	2	0	0	0	3	0	0	0	5	3	2	2 ( 2 May)	3	4	2 May	17 Sep
76.	skua sp.	0	0	0	2	0	0	0	0	0	1	0	0	3	0	3	2 (12 Apr)	1	2	12 Apr	16 Oct
77.	Arctic Skua	0	0	4	25	1	0	0	95	1120	85	16	0	1346	785	561	231 (13 Sep)	41	61	27 Mar	23 Nov
78.	Pomarine Skua	2	0	0	1	0	0	0	4	24	5	2	0	38	20	18	5 (18 Sep)	17	25	2 Jan	21 Nov
79.	Great Skua	17	0	0	0	0	1	0	4	3	0	2	5	32	18	14	5 ( 2 Jan)	11	17	2 Jan	7 Dec
80.	Puffin	1	0	2	2	0	0	0	0	0	1	0	2	8	6	2	1 (10 Jan)	5	8	10 Jan	30 Dec
81.	Black Guillemot	0	1	0	0	0	0	0	0	0	0	0	0	1	1	0	1 (13 Feb)	1	1	13 Feb	13 Feb
82.	Razorbill	23	83	21	0	0	4	0	0	0	0	151	69	351	209	142	65 (23 Nov)	23	34	8 Jan	31 Dec
83.	Razorbill/Guillemot	1649	547	815	2265	3	2	0	3	1264	8495	27274	17871	60188	42031	18157	12257 (10 Dec)	80	119	2 Jan	31 Dec
84.	Little Auk	0	0	0	0	0	0	0	0	0	7	5	1	13	12	1	4 (22 Oct)	4	6	22 Oct	6 Dec
85.	Guillemot	6	7	17	0	0	0	0	3	2	19	250	124	428	202	226	101 (23 Nov)	16	24	4 Jan	31 Dec
86.	Red-throated Diver	3791	2009	1175	878	67	1	0	3	411	1757	4884	6795	21771	18682	3089	1293 (10 Dec)	89	132	2 Jan	31 Dec
87.	Black-throated Diver	15	3	5	38	7	0	0	0	4	1	3	2	78	20	58	17 (30 Apr)	21	31	3 Jan	29 Dec
88.	Great Northern Diver	0	0	0	0	0	0	0	0	0	0	0	1	1	1	0	1 (25 Dec)	1	1	25 Dec	25 Dec
89.	diver sp.	0	0	0	2	0	0	0	0	0	0	0	0	2	0	2	1 (12 Apr)	1	2	12 Apr	24 Apr
90.	Leach's Petrel	0	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 (30 Sep)	1	1	30 Sep	30 Sep
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
91.	Fulmar	10	0	0	8	1	0	0	1	1	0	0	0	21	4	17	6 (13 Jan)	7	10	9 Jan	18 Sep
92.	Sooty Shearwater	0	0	0	0	0	0	0	0	4	1	6	0	11	8	3	4 (19 Nov)	4	6	29 Sep	19 Nov
93.	Manx Shearwater	0	0	0	0	0	0	0	0	0	0	0	1	1	1	0	1 (12 Dec)	1	1	12 Dec	12 Dec
94.	Balearic Shearwater	0	0	0	0	0	0	0	0	1	0	0	0	1	0	1	1 ( 8 Sep)	1	1	8 Sep	8 Sep
95.	shearwater sp.	0	0	0	0	0	0	0	0	3	1	0	0	4	4	0	3 (12 Sep)	1	2	12 Sep	13 Oct
96.	Gannet	902	518	1004	415	196	36	20	277	951	658	1453	1235	7665	4640	3025	437 (27 Mar)	99	147	2 Jan	31 Dec
97.	Cormorant	257	140	356	396	1097	330	13	1680	3283	712	60	3438	11762	5784	5978	1366 (26 Dec)	85	126	2 Jan	31 Dec
98.	Spoonbill	0	0	0	0	0	0	0	0	0	24	0	0	24	24	0	24 ( 2 Oct)	1	1	2 Oct	2 Oct
99.	Grey Heron	0	0	0	0	0	0	0	2	5	4	0	0	11	11	0	4 (15 Sep)	4	6	20 Aug	10 Oct
100.	Hen Harrier	0	0	0	0	0	0	0	0	0	0	1	0	1	1	0	1 (23 Nov)	1	1	23 Nov	23 Nov
101.	Merlin	0	0	0	0	1	0	0	0	0	1	0	0	2	1	1	1 ( 8 May)	1	2	8 May	23 Oct
102.	Peregrine	0	0	1	0	0	0	0	0	0	0	0	1	2	1	1	1 (27 Mar)	1	2	27 Mar	5 Dec
103.	Carrion Crow	0	2	0	0	0	0	0	0	0	0	0	0	2	2	0	2 (25 Feb)	1	1	25 Feb	25 Feb
104.	Skylark	0	0	0	0	0	0	0	0	0	354	0	0	354	354	0	354 (24 Oct)	1	1	24 Oct	24 Oct
105.	Shore Lark	0	0	0	0	0	0	0	0	0	1	1	0	2	1	1	1 ( 9 Oct)	1	2	9 Oct	4 Nov
106.	Sand Martin	0	0	0	3	0	0	0	2	0	0	0	0	5	2	3	2 (18 Apr)	3	4	10 Apr	20 Aug
107.	Swallow	0	0	0	0	17	2	0	4	0	4	0	0	27	18	9	9 (30 May)	5	7	1 May	2 Oct
108.	House Martin	0	0	0	0	0	0	0	1	0	0	0	0	1	1	0	1 (15 Aug)	1	1	15 Aug	15 Aug
109.	Starling	0	0	19	0	0	0	0	0	0	8476	4107	1	12603	12534	69	7800 (24 Oct)	7	11	9 Mar	28 Dec
110.	Redwing	0	0	0	0	0	0	0	0	0	0	3	7	10	10	0	7 (25 Dec)	1	2	4 Nov	25 Dec
111.	Blackbird	0	0	0	0	0	0	0	0	0	2	1	0	3	3	0	2 (30 Oct)	1	2	30 Oct	4 Nov
112.	Wheatear	0	0	0	0	0	0	0	1	0	0	0	0	1	1	0	1 (21 Aug)	1	1	21 Aug	21 Aug
113.	Blue-headed Wagtail	0	0	0	1	2	0	0	0	0	0	0	0	3	2	1	2 ( 8 May)	1	2	17 Apr	8 May
114.	Grey Wagtail	0	0	0	0	0	0	0	0	2	3	0	0	5	4	1	3 (24 Oct)	2	3	8 Sep	24 Oct
115.	White Wagtail	0	4	3	1	0	0	0	0	24	0	0	0	32	26	6	14 (26 Sep)	7	11	18 Feb	27 Sep
116.	Pied Wagtail	0	0	0	1	0	0	0	0	0	0	0	0	1	0	1	1 (10 Apr)	1	1	10 Apr	10 Apr
117.	Meadow Pipit	0	1	2	4	0	0	0	0	62	0	0	0	69	62	7	39 (26 Sep)	4	6	25 Feb	27 Sep
118.	Rock Pipit	0	0	0	0	0	0	0	0	2	4	0	0	6	6	0	3 (24 Oct)	3	4	17 Sep	24 Oct
119.	Chaffinch	0	0	0	0	0	0	0	0	11	16	800	0	827	827	0	800 (21 Nov)	2	3	26 Sep	21 Nov
120.	Brambling	0	0	0	0	0	0	0	0	0	6	0	0	6	6	0	6 ( 9 Oct)	1	1	9 Oct	9 Oct
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
121.	Linnet	0	0	0	0	0	0	0	0	18	0	0	0	18	18	0	15 (18 Sep)	1	2	18 Sep	27 Sep
122.	Lapland Bunting	0	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 (17 Sep)	1	1	17 Sep	17 Sep
123.	Snow Bunting	0	0	0	0	0	0	0	0	0	0	14	0	14	14	0	14 (14 Nov)	1	1	14 Nov	14 Nov
124.	Reed Bunting	0	0	3	0	0	0	0	0	0	0	0	0	3	3	0	3 (10 Mar)	1	1	10 Mar	10 Mar
	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	14	12	1	0	1	0	11	8	1	7	7	63	19	44	7 (21 Aug)	19	29	3 Jan	30 Dec
2.	Humpback whale	0	0	0	0	0	0	0	0	0	0	1	0	1	0	1	1 (18 Nov)	1	1	18 Nov	18 Nov
3.	Grey seal	0	0	3	0	0	0	0	0	0	0	0	0	3	1	2	1 ( 7 Mar)	2	3	7 Mar	10 Mar
4.	Common Seal	0	0	0	0	0	0	0	0	0	0	0	1	1	1	0	1 (25 Dec)	1	1	25 Dec	25 Dec
5.	bat sp.	0	0	0	0	0	0	0	0	1	0	0	0	1	1	0	1 ( 9 Sep)	1	1	9 Sep	9 Sep
	Species	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Totals	S	N	Maximum	Presence (%)	Presence (days)	First	Last
	Totals	20214	20923	30062	26590	10502	8980	678	51360	50916	41002	58930	36444	356601	254531	102070		100	149
	Observation hours	34:30	31:15	27:00	22:35	14:00	11:00	2:00	26:30	47:00	42:00	31:30	28:45	318:05

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Totals Westerslag, Texel 2021