Totals Westerslag, Texel 2011 - 2020

	Species	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	Totals	Average	Present	Year Maximum
1.	Dark-bellied Brent Goose	236	0	1	412	100	691	2095	740	1237	1577	7089	709	0	2095 (2017)
2.	Canada Goose	0	0	0	0	0	0	0	0	0	1	1	0.1	0	1 (2020)
3.	Barnacle Goose	1	0	0	5	0	0	65	37	11	199	318	32	0	199 (2020)
4.	Greylag Goose	5	2	13	0	2	4	172	81	74	203	556	56	5	203 (2020)
5.	Tundra Bean Goose	0	0	0	0	0	0	0	1	0	7	8	0.8	0	7 (2020)
6.	Eurasian White-fronted Goose	0	0	0	1	1	1	1	1	98	78	181	18	0	98 (2019)
7.	Black Swan	0	0	0	0	0	0	0	0	0	1	1	0.1	0	1 (2020)
8.	Mute Swan	0	0	0	0	0	0	2	0	8	6	16	1.6	0	8 (2019)
9.	Bewick's Swan	0	0	0	0	0	0	0	0	2	0	2	0.2	0	2 (2019)
10.	Egyptian Goose	5	0	0	1	2	1	35	42	42	106	234	23	1	106 (2020)
11.	Shelduck	27	0	4	0	39	0	24	52	58	45	249	25	12	58 (2019)
12.	Garganey	1	0	0	1	0	0	3	0	0	0	5	0.5	0	3 (2017)
13.	Shoveler	2	0	1	2	0	2	69	19	13	199	307	31	0	199 (2020)
14.	Gadwall	7	0	2	3	5	0	19	13	7	51	107	11	1	51 (2020)
15.	Wigeon	3	0	16	71	3	39	230	156	170	602	1290	129	170	602 (2020)
16.	Mallard	0	2	0	4	0	9	0	2	2	9	28	2.8	0	9 (2016)
17.	Pintail	3	0	0	0	0	20	485	82	80	214	884	88	0	485 (2017)
18.	Teal	29	17	4	74	24	59	715	304	234	601	2061	206	8	715 (2017)
19.	Pochard	0	0	0	0	0	0	0	0	2	3	5	0.5	0	3 (2020)
20.	Tufted Duck	1	2	4	3	1	6	8	13	17	18	73	7.3	1	18 (2020)
21.	Scaup	0	0	7	1	0	7	46	74	142	85	362	36	0	142 (2019)
22.	Eider	1309	101	90	84	100	72	2314	936	2093	3868	10967	1097	924	3868 (2020)
23.	Velvet Scoter	22	7	150	1	6	8	78	38	107	202	619	62	1	202 (2020)
24.	Common Scoter	9769	2898	46190	6455	4670	7217	37723	22303	26762	64626	228613	22861	3322	64626 (2020)
25.	Long-tailed Duck	0	0	0	0	0	0	6	5	22	10	43	4.3	0	22 (2019)
26.	Goldeneye	0	0	0	0	0	1	0	13	2	25	41	4.1	0	25 (2020)
27.	Smew	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2018)
28.	Goosander	0	0	0	0	0	0	2	9	4	16	31	3.1	0	16 (2020)
29.	Red-breasted Merganser	23	4	10	14	11	15	26	85	44	115	347	35	0	115 (2020)
30.	Swift	0	0	2	1	210	0	9	4	14	15	255	26	0	210 (2015)
31.	dove (Columba) sp.	0	0	0	0	0	0	1	0	0	3	4	0.4	0	3 (2020)
32.	Red-necked Grebe	0	0	1	1	1	3	5	28	44	11	94	9.4	1	44 (2019)
33.	Great Crested Grebe	13	1	1	15	7	8	99	175	148	73	540	54	46	175 (2018)
34.	Slavonian Grebe	0	0	0	3	0	0	0	0	7	4	14	1.4	0	7 (2019)
35.	Black-necked Grebe	0	0	0	0	0	0	0	0	8	2	10	1	0	8 (2019)
36.	Oystercatcher	62	18	80	28	33	78	53	74	51	91	568	57	28	91 (2020)
37.	Avocet	0	0	0	0	0	0	0	2	0	5	7	0.7	0	5 (2020)
38.	Lapwing	1	0	0	0	0	0	0	10	61	1	73	7.3	0	61 (2019)
39.	Golden Plover	0	0	0	0	0	4	5	8	0	16	33	3.3	0	16 (2020)
40.	Grey Plover	28	1	7	0	0	4	55	18	12	123	248	25	0	123 (2020)
41.	Ringed Plover	3	1	1	4	0	7	32	25	0	11	84	8.4	0	32 (2017)
42.	Little Ringed Plover	1	0	0	0	0	0	0	0	0	0	1	0.1	0	1 (2011)
43.	Dotterel	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2019)
44.	Whimbrel	15	3	12	5	17	7	14	55	106	49	283	28	1	106 (2019)
45.	Curlew	11	0	2	9	6	18	12	20	56	15	149	15	1	56 (2019)
46.	Bar-tailed Godwit	1761	222	50	9	16	9	203	79	447	345	3141	314	13	1761 (2011)
47.	Black-tailed Godwit	0	0	0	0	0	0	10	0	0	0	10	1	0	10 (2017)
48.	Turnstone	4	0	2	1	1	2	24	8	21	38	101	10	15	38 (2020)
49.	Knot	180	196	2	2	86	108	342	8	105	97	1126	113	0	342 (2017)
50.	Ruff	0	0	0	0	0	0	0	0	0	1	1	0.1	0	1 (2020)
	Species	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	Totals	Average	Present	Year Maximum
51.	Sanderling	475	41	63	326	526	33	1052	809	594	2319	6238	624	403	2319 (2020)
52.	Dunlin	67	1	1	12	0	2	115	607	76	430	1311	131	0	607 (2018)
53.	Purple Sandpiper	0	0	0	0	0	0	0	9	0	1	10	1	0	9 (2018)
54.	Woodcock	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2018)
55.	Snipe	0	0	42	0	0	1	2	8	1	5	59	5.9	0	42 (2013)
56.	Common Sandpiper	0	0	0	0	12	5	5	1	5	0	28	2.8	0	12 (2015)
57.	Green Sandpiper	0	0	0	0	1	0	1	3	0	0	5	0.5	0	3 (2018)
58.	Redshank	0	0	0	1	0	0	41	3	0	30	75	7.5	0	41 (2017)
59.	Greenshank	4	0	19	0	0	0	4	0	8	12	47	4.7	0	19 (2013)
60.	Kittiwake	469	0	2	9	2	15	436	646	1659	7421	10659	1066	30	7421 (2020)
61.	Sabine's Gull	1	0	0	0	0	0	2	1	0	2	6	0.6	0	2 (2017)
62.	Black-headed Gull	355	17	1052	1497	847	851	3943	3838	8768	18076	39244	3924	2022	18076 (2020)
63.	Little Gull	485	4	4080	1	6	15	784	340	1045	2051	8811	881	0	4080 (2013)
64.	Mediterranean Gull	0	0	0	0	0	0	3	0	0	4	7	0.7	0	4 (2020)
65.	Common Gull	342	0	274	190	336	49	675	454	928	2741	5989	599	300	2741 (2020)
66.	Great Black-backed Gull	77	1	62	111	49	15	156	355	196	136	1158	116	10	355 (2018)
67.	Herring Gull	0	0	0	0	325	0	503	101	8275	5423	14627	1463	1410	8275 (2019)
68.	Caspian Gull	0	0	0	0	0	0	0	0	2	3	5	0.5	0	3 (2020)
69.	Lesser Black-backed Gull	650	118	316	684	446	0	493	61	14907	8029	25704	2570	1106	14907 (2019)
70.	Sandwich Tern	1951	882	7973	2374	1429	4112	12507	12956	21910	25602	91696	9170	65	25602 (2020)
71.	Little Tern	319	42	28	78	56	33	81	50	283	127	1097	110	0	319 (2011)
72.	Common Tern	1376	301	2811	523	810	607	2094	1351	3959	6570	20402	2040	11	6570 (2020)
73.	Arctic Tern	26	5	5	62	11	43	214	3	81	37	487	49	0	214 (2017)
74.	Common/Arctic Tern	478	522	0	91	94	831	749	120	2140	526	5551	555	0	2140 (2019)
75.	Black Tern	39	1	43	1	16	3	23	31	176	38	371	37	0	176 (2019)
76.	Great Skua	9	0	0	0	2	8	400	56	75	40	590	59	1	400 (2017)
77.	Pomarine Skua	1	0	0	1	0	3	25	41	14	19	104	10	1	41 (2018)
78.	Arctic Skua	14	2	9	16	10	9	141	328	292	138	959	96	3	328 (2018)
79.	Long-tailed Skua	0	0	0	1	0	0	1	0	0	2	4	0.4	0	2 (2020)
80.	skua sp.	0	0	0	1	0	0	49	2	4	6	62	6.2	0	49 (2017)
81.	Little Auk	0	0	0	1	0	0	3	3	0	5	12	1.2	0	5 (2020)
82.	Guillemot	6	0	3	6	3	4	2	6	29	4	63	6.3	5	29 (2019)
83.	Razorbill	0	0	0	0	1	2	2	4	46	1	56	5.6	5	46 (2019)
84.	Razorbill/Guillemot	62	0	36	387	60	1095	1680	4442	7710	14995	30467	3047	133	14995 (2020)
85.	Black Guillemot	0	0	0	0	0	0	1	1	1	1	4	0.4	0	1 (2017)
86.	Puffin	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2019)
87.	Red-throated Diver	54	15	37	192	113	1055	1629	4936	9122	6146	23299	2330	96	9122 (2019)
88.	Black-throated Diver	6	17	0	2	1	3	15	26	23	43	136	14	2	43 (2020)
89.	Great Northern Diver	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2017)
90.	diver sp.	24	18	4	10	6	48	72	9	20	1	212	21	0	72 (2017)
91.	Storm Petrel	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2018)
92.	Leach's Petrel	1	0	0	0	0	0	1	1	1	1	5	0.5	0	1 (2011)
93.	Fulmar	2	1	0	4	0	2	4	11	6	5	35	3.5	0	11 (2018)
94.	Sooty Shearwater	0	0	0	0	1	133	10	77	8	32	261	26	0	133 (2016)
95.	Manx Shearwater	0	0	0	0	0	1	2	1	4	8	16	1.6	0	8 (2020)
96.	Balearic Shearwater	0	0	0	0	0	1	0	2	0	3	6	0.6	0	3 (2020)
97.	shearwater sp.	0	0	0	0	0	0	0	1	0	19	20	2	0	19 (2020)
98.	Gannet	221	17	117	183	350	547	1639	1680	3033	3563	11350	1135	19	3563 (2020)
99.	Cormorant	322	0	258	501	743	1137	2163	2794	10032	5782	23732	2373	473	10032 (2019)
100.	Spoonbill	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2019)
	Species	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	Totals	Average	Present	Year Maximum
101.	Grey Heron	4	0	0	5	1	0	10	26	26	17	89	8.9	0	26 (2018)
102.	Great White Egret	0	0	0	0	0	0	0	2	9	0	11	1.1	0	9 (2019)
103.	Little Egret	1	0	0	0	0	0	0	0	0	0	1	0.1	0	1 (2011)
104.	Osprey	0	0	0	0	0	0	1	2	0	0	3	0.3	0	2 (2018)
105.	Sparrowhawk	1	0	0	0	0	1	0	1	0	0	3	0.3	0	1 (2011)
106.	Marsh Harrier	0	0	0	0	0	0	0	0	2	1	3	0.3	0	2 (2019)
107.	Hen Harrier	0	0	0	0	0	0	0	1	0	3	4	0.4	0	3 (2020)
108.	Common Buzzard	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2013)
109.	Kestrel	1	0	0	0	0	0	1	0	3	3	8	0.8	0	3 (2019)
110.	Merlin	1	0	0	0	0	0	2	0	0	1	4	0.4	0	2 (2017)
111.	Hobby	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2017)
112.	Peregrine	0	0	0	1	0	1	1	0	4	1	8	0.8	0	4 (2019)
113.	Jackdaw	0	0	3	0	0	0	25	0	2	0	30	3	0	25 (2017)
114.	Rook	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2017)
115.	Carrion Crow	2	0	0	0	1	0	7	1	7	0	18	1.8	0	7 (2017)
116.	Great Tit	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2018)
117.	Skylark	31	0	0	4	3	7	3	159	8	121	336	34	0	159 (2018)
118.	Shore Lark	0	0	0	0	0	0	6	0	0	0	6	0.6	0	6 (2017)
119.	Sand Martin	9	0	5	3	0	0	1	0	76	13	107	11	0	76 (2019)
120.	Swallow	114	27	45	47	24	47	75	66	76	29	550	55	0	114 (2011)
121.	House Martin	6	7	0	1	0	0	3	0	6	1	24	2.4	0	7 (2012)
122.	Starling	3978	0	2156	618	482	0	1214	562	2112	47205	58327	5833	0	47205 (2020)
123.	Song Thrush	0	0	0	0	0	0	0	0	6	0	6	0.6	0	6 (2019)
124.	Redwing	0	0	0	0	0	0	0	0	18	0	18	1.8	0	18 (2019)
125.	Blackbird	0	0	0	0	0	0	0	0	20	1	21	2.1	0	20 (2019)
126.	Fieldfare	0	0	0	0	0	3	0	0	0	0	3	0.3	0	3 (2016)
127.	Robin	0	0	0	0	0	0	0	0	12	1	13	1.3	0	12 (2019)
128.	Wheatear	0	0	0	0	0	0	1	0	1	1	3	0.3	0	1 (2017)
129.	Blue-headed Wagtail	46	4	6	8	1	10	0	34	44	0	153	15	0	46 (2011)
130.	Grey Wagtail	0	0	0	2	0	0	1	3	1	3	10	1	0	3 (2018)
131.	White Wagtail	8	0	0	0	5	1	26	11	6	7	64	6.4	1	26 (2017)
132.	Pied Wagtail	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2017)
133.	Richard's Pipit	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2019)
134.	Meadow Pipit	27	0	0	0	5	29	5	193	132	8	399	40	0	193 (2018)
135.	Tree Pipit	0	0	0	0	0	0	0	0	0	1	1	0.1	0	1 (2020)
136.	Rock Pipit	0	0	3	1	0	4	50	2	8	1	69	6.9	0	50 (2017)
137.	Chaffinch	294	0	0	0	0	0	0	10	0	0	304	30	0	294 (2011)
138.	Brambling	6	0	0	0	0	0	0	0	0	0	6	0.6	0	6 (2011)
139.	Greenfinch	0	0	0	4	1	0	0	0	0	0	5	0.5	0	4 (2014)
140.	Linnet	5	0	0	0	0	0	0	4	21	0	30	3	0	21 (2019)
141.	Goldfinch	5	0	0	0	0	0	5	0	0	0	10	1	0	5 (2011)
142.	Siskin	0	0	0	0	0	0	0	0	20	0	20	2	0	20 (2019)
143.	Snow Bunting	1	0	0	3	0	13	21	16	1	5	60	6	8	21 (2017)
	Other species
1.	Harbour Porpoise	0	1	1	17	14	3	0	1	17	26	80	8	0	26 (2020)
2.	Humpback whale	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2018)
3.	Grey seal	0	0	0	0	0	0	0	0	2	1	3	0.3	1	2 (2019)
4.	Common Seal	0	0	0	0	0	0	0	0	3	0	3	0.3	0	3 (2019)
	Species	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	Totals	Average	Present	Year Maximum
	Totals	25898	5519	66107	15189	12134	19182	78166	62787	130391	231614	646987	64699	10655
	Observation hours	29:32	6:15	16:00	26:16	24:30	38:20	111:45	120:40	157:15	218:30	749:03	74:54

Trektellen

Totals Westerslag, Texel 2011 - 2020