Select until 14 March

Totals Westerslag, Texel 2016 - 2025

	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
1.	Dark-bellied Brent Goose	691	2095	740	1237	1577	2533	3841	4324	2952	272	20262	2026	0	4324 (2023)
2.	Pale-bellied Brent Goose	0	0	0	0	0	8	0	0	0	0	8	0.8	0	8 (2021)
3.	Canada Goose	0	0	0	0	1	4	2	2	1	0	10	1	0	4 (2021)
4.	Barnacle Goose	0	65	37	11	199	17	12	32	0	35	408	41	0	199 (2020)
5.	Greylag Goose	4	172	81	74	203	476	366	328	359	242	2305	231	12	476 (2021)
6.	Pink-footed Goose	0	0	0	0	0	0	0	4	0	0	4	0.4	0	4 (2023)
7.	Tundra Bean Goose	0	0	1	0	7	0	28	150	5	29	220	22	0	150 (2023)
8.	Eurasian White-fronted Goose	1	1	1	98	78	36	3	19	0	0	237	24	0	98 (2019)
9.	Black Swan	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2020)
10.	Mute Swan	0	2	0	8	6	35	0	1	5	0	57	5.7	0	35 (2021)
11.	Bewick's Swan	0	0	0	2	0	0	0	2	6	0	10	1	0	6 (2024)
12.	Egyptian Goose	1	35	42	42	106	58	90	64	91	89	618	62	1	106 (2020)
13.	Shelduck	0	24	52	58	45	71	38	99	78	2	467	47	12	99 (2023)
14.	Ruddy Shelduck	0	0	0	0	0	0	1	2	0	0	3	0.3	0	2 (2023)
15.	Garganey	0	3	0	0	0	0	3	1	0	0	7	0.7	0	3 (2017)
16.	Shoveler	2	69	19	13	199	20	67	28	24	33	474	47	6	199 (2020)
17.	Gadwall	0	19	13	7	51	6	25	27	32	0	180	18	1	51 (2020)
18.	Wigeon	39	230	156	170	602	489	320	413	357	43	2819	282	201	602 (2020)
19.	Mallard	9	0	2	2	9	11	5	8	19	4	69	6.9	0	19 (2024)
20.	Pintail	20	485	82	80	214	61	126	58	136	255	1517	152	0	485 (2017)
21.	Teal	59	715	304	234	601	1001	702	464	615	367	5062	506	18	1001 (2021)
22.	Pochard	0	0	0	2	3	8	2	1	0	0	16	1.6	0	8 (2021)
23.	Tufted Duck	6	8	13	17	18	40	33	4	21	0	160	16	1	40 (2021)
24.	Scaup	7	46	74	142	85	63	6	65	188	14	690	69	0	188 (2024)
25.	Eider	72	2314	936	2093	3868	7698	7533	5452	7520	2169	39655	3966	1257	7698 (2021)
26.	Velvet Scoter	8	78	38	107	202	308	211	254	157	5	1368	137	5	308 (2021)
27.	Common Scoter	7217	37723	22303	26762	64626	82987	49304	89618	60231	10263	451034	45103	1083	89618 (2023)
28.	Long-tailed Duck	0	6	5	22	10	17	9	8	10	10	97	9.7	0	22 (2019)
29.	Goldeneye	1	0	13	2	25	42	13	14	7	0	117	12	0	42 (2021)
30.	Smew	0	0	1	0	0	6	0	0	0	0	7	0.7	0	6 (2021)
31.	Goosander	0	2	9	4	16	11	2	2	10	3	59	5.9	0	16 (2020)
32.	Red-breasted Merganser	15	26	85	44	115	268	179	65	81	6	884	88	0	268 (2021)
33.	Swift	0	9	4	14	15	2	0	1	2	0	47	4.7	0	15 (2020)
34.	Stock Dove	0	0	0	0	0	1	4	3	0	0	8	0.8	0	4 (2022)
35.	Woodpigeon	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2023)
36.	dove (Columba) sp.	0	1	0	0	3	0	0	0	0	0	4	0.4	0	3 (2020)
37.	Little Grebe	0	0	0	0	0	1	0	0	2	0	3	0.3	0	2 (2024)
38.	Red-necked Grebe	3	5	28	44	11	38	19	5	12	3	168	17	1	44 (2019)
39.	Great Crested Grebe	8	99	175	148	73	381	817	257	721	183	2862	286	74	817 (2022)
40.	Slavonian Grebe	0	0	0	7	4	87	0	1	1	0	100	10	5	87 (2021)
41.	Black-necked Grebe	0	0	0	8	2	21	0	2	2	0	35	3.5	3	21 (2021)
42.	Black-necked / Slavonian Grebe	0	0	0	0	0	29	0	0	0	0	29	2.9	0	29 (2021)
43.	Oystercatcher	78	53	74	51	91	82	23	213	117	34	816	82	28	213 (2023)
44.	Avocet	0	0	2	0	5	0	0	0	0	0	7	0.7	0	5 (2020)
45.	Grey Plover	4	55	18	12	123	22	16	24	14	0	288	29	0	123 (2020)
46.	Golden Plover	4	5	8	0	16	7	1	3	12	0	56	5.6	0	16 (2020)
47.	Dotterel	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2019)
48.	Ringed Plover	7	32	25	0	11	14	46	35	26	0	196	20	0	46 (2022)
49.	Lapwing	0	0	10	61	1	8	430	0	4	1	515	52	0	430 (2022)
50.	Whimbrel	7	14	55	106	49	20	10	18	53	0	332	33	1	106 (2019)
	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
51.	Curlew	18	12	20	56	15	84	27	40	11	4	287	29	1	84 (2021)
52.	Bar-tailed Godwit	9	203	79	447	345	396	110	347	21	0	1957	196	2	447 (2019)
53.	Black-tailed Godwit	0	10	0	0	0	0	0	0	0	0	10	1	0	10 (2017)
54.	Jack Snipe	0	0	0	0	0	1	0	0	0	0	1	0.1	0	1 (2021)
55.	Woodcock	0	0	1	0	0	5	0	0	1	0	7	0.7	0	5 (2021)
56.	Snipe	1	2	8	1	5	1	39	6	0	0	63	6.3	0	39 (2022)
57.	Grey Phalarope	0	0	0	0	0	1	1	1	0	0	3	0.3	0	1 (2021)
58.	Common Sandpiper	5	5	1	5	0	1	12	2	2	0	33	3.3	0	12 (2022)
59.	Green Sandpiper	0	1	3	0	0	0	1	1	2	0	8	0.8	0	3 (2018)
60.	Redshank	0	41	3	0	30	12	5	82	9	0	182	18	0	82 (2023)
61.	Spotted Redshank	0	0	0	0	0	0	1	1	0	0	2	0.2	0	1 (2022)
62.	Greenshank	0	4	0	8	12	2	5	9	2	0	42	4.2	0	12 (2020)
63.	Turnstone	2	24	8	21	38	45	55	134	29	23	379	38	15	134 (2023)
64.	Knot	108	342	8	105	97	112	111	12	11	1	907	91	3	342 (2017)
65.	Ruff	0	0	0	0	1	0	0	1	0	0	2	0.2	0	1 (2020)
66.	Curlew Sandpiper	0	0	0	0	0	0	2	0	0	0	2	0.2	0	2 (2022)
67.	Sanderling	33	1052	809	594	2319	1585	1024	1402	823	141	9782	978	415	2319 (2020)
68.	Dunlin	2	115	607	76	430	285	409	354	392	52	2722	272	0	607 (2018)
69.	Purple Sandpiper	0	0	9	0	1	6	2	4	0	0	22	2.2	0	9 (2018)
70.	Little Tern	33	81	50	283	127	324	45	140	118	0	1201	120	0	324 (2021)
71.	Gull-billed Tern	0	0	0	0	0	2	0	0	0	0	2	0.2	0	2 (2021)
72.	Black Tern	3	23	31	176	38	988	203	168	132	0	1762	176	0	988 (2021)
73.	White-winged Black Tern	0	0	0	0	0	2	0	0	1	0	3	0.3	0	2 (2021)
74.	Arctic Tern	43	214	3	81	37	15	39	43	114	0	589	59	0	214 (2017)
75.	Common/Arctic Tern	831	749	120	2140	526	31081	1264	9358	5472	0	51541	5154	0	31081 (2021)
76.	Common Tern	607	2094	1351	3959	6570	24732	9222	2077	10992	0	61604	6160	8	24732 (2021)
77.	Sandwich Tern	4112	12507	12956	21910	25602	31801	25936	36226	17128	0	188178	18818	30	36226 (2023)
78.	Little Gull	15	784	340	1045	2051	2662	768	2303	539	138	10645	1065	0	2662 (2021)
79.	Kittiwake	15	436	646	1659	7421	23015	4273	12236	2458	290	52449	5245	30	23015 (2021)
80.	Sabine's Gull	0	2	1	0	2	1	1	4	1	0	12	1.2	0	4 (2023)
81.	Black-headed Gull	851	3943	3838	8768	18076	11483	12626	4071	6505	1081	71242	7124	2032	18076 (2020)
82.	Mediterranean Gull	0	3	0	0	4	5	5	5	1	0	23	2.3	0	5 (2021)
83.	Common Gull	49	675	454	928	2741	712	236	56	454	347	6652	665	301	2741 (2020)
84.	Caspian Gull	0	0	0	2	3	14	18	21	6	0	64	6.4	0	21 (2023)
85.	Herring Gull	0	503	101	8275	5423	1108	2	2	6499	4632	26545	2655	1460	8275 (2019)
86.	Yellow-legged Gull	0	0	0	0	0	2	1	0	2	0	5	0.5	0	2 (2021)
87.	Great Black-backed Gull	15	156	355	196	136	885	1135	765	362	109	4114	411	16	1135 (2022)
88.	Glaucous Gull	0	0	0	0	0	3	1	0	0	0	4	0.4	0	3 (2021)
89.	Lesser Black-backed Gull	0	493	61	14907	8029	10410	2667	3930	8371	512	49380	4938	1553	14907 (2019)
90.	Long-tailed Skua	0	1	0	0	2	5	1	6	1	0	16	1.6	0	6 (2023)
91.	skua sp.	0	49	2	4	6	3	18	13	2	0	97	9.7	0	49 (2017)
92.	Arctic Skua	9	141	328	292	138	1346	314	663	58	0	3289	329	4	1346 (2021)
93.	Pomarine Skua	3	25	41	14	19	38	14	13	2	0	169	17	1	41 (2018)
94.	Great Skua	8	400	56	75	40	32	11	25	3	1	651	65	1	400 (2017)
95.	Puffin	0	0	0	1	0	8	3	0	1	0	13	1.3	0	8 (2021)
96.	Black Guillemot	0	1	1	1	1	1	0	3	1	0	9	0.9	0	3 (2023)
97.	Razorbill	2	2	4	46	1	351	632	162	61	2	1263	126	30	632 (2022)
98.	Razorbill/Guillemot	1095	1680	4442	7710	14995	60188	23186	10353	7956	44	131649	13165	188	60188 (2021)
99.	Little Auk	0	3	3	0	5	13	5	2	3	0	34	3.4	0	13 (2021)
100.	Guillemot	4	2	6	29	4	428	116	52	73	1	715	72	24	428 (2021)
	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
101.	Red-throated Diver	1055	1629	4936	9122	6146	21771	15037	9630	9181	2295	80802	8080	133	21771 (2021)
102.	Black-throated Diver	3	15	26	23	43	78	35	37	64	6	330	33	4	78 (2021)
103.	Great Northern Diver	0	1	0	0	0	1	4	2	6	0	14	1.4	0	6 (2024)
104.	diver sp.	48	72	9	20	1	2	0	0	19	0	171	17	0	72 (2017)
105.	Storm Petrel	0	0	1	0	0	0	1	0	0	0	2	0.2	0	1 (2018)
106.	Leach's Petrel	0	1	1	1	1	1	4	16	1	0	26	2.6	0	16 (2023)
107.	Fulmar	2	4	11	6	5	21	5	11	31	1	97	9.7	0	31 (2024)
108.	Sooty Shearwater	133	10	77	8	32	11	372	137	51	0	831	83	0	372 (2022)
109.	Manx Shearwater	1	2	1	4	8	1	7	9	2	0	35	3.5	0	9 (2023)
110.	Balearic Shearwater	1	0	2	0	3	1	2	0	7	0	16	1.6	0	7 (2024)
111.	shearwater sp.	0	0	1	0	19	4	1	1	3	0	29	2.9	0	19 (2020)
112.	Gannet	547	1639	1680	3033	3563	7665	5069	9567	5117	845	38725	3873	13	9567 (2023)
113.	Cormorant	1137	2163	2794	10032	5782	11762	14584	14062	7148	643	70107	7011	565	14584 (2022)
114.	Spoonbill	0	0	0	1	0	24	0	0	0	0	25	2.5	0	24 (2021)
115.	Little Egret	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2024)
116.	Great White Egret	0	0	2	9	0	0	1	0	0	0	12	1.2	0	9 (2019)
117.	Grey Heron	0	10	26	26	17	11	3	18	37	0	148	15	0	37 (2024)
118.	Osprey	0	1	2	0	0	0	0	0	0	0	3	0.3	0	2 (2018)
119.	Sparrowhawk	1	0	1	0	0	0	0	0	0	0	2	0.2	0	1 (2016)
120.	Marsh Harrier	0	0	0	2	1	0	0	1	1	0	5	0.5	0	2 (2019)
121.	Hen Harrier	0	0	1	0	3	1	0	0	0	0	5	0.5	0	3 (2020)
122.	Short-eared Owl	0	0	0	0	0	0	2	2	0	0	4	0.4	0	2 (2022)
123.	Kestrel	0	1	0	3	3	0	0	1	1	0	9	0.9	0	3 (2019)
124.	Merlin	0	2	0	0	1	2	0	0	0	0	5	0.5	0	2 (2017)
125.	Hobby	0	1	0	0	0	0	1	0	0	0	2	0.2	0	1 (2017)
126.	Gyr Falcon	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2024)
127.	Peregrine	1	1	0	4	1	2	2	2	0	0	13	1.3	0	4 (2019)
128.	Jackdaw	0	25	0	2	0	0	0	14	0	0	41	4.1	0	25 (2017)
129.	Rook	0	1	0	0	0	0	2	0	2	0	5	0.5	0	2 (2022)
130.	Carrion Crow	0	7	1	7	0	2	0	1	1	0	19	1.9	1	7 (2017)
131.	Great Tit	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2018)
132.	Skylark	7	3	159	8	121	354	14	18	56	0	740	74	0	354 (2021)
133.	Shore Lark	0	6	0	0	0	2	0	2	0	0	10	1	0	6 (2017)
134.	Sand Martin	0	1	0	76	13	5	0	32	4	0	131	13	0	76 (2019)
135.	Swallow	47	75	66	76	29	27	124	138	41	0	623	62	0	138 (2023)
136.	House Martin	0	3	0	6	1	1	2	5	1	0	19	1.9	0	6 (2019)
137.	Starling	0	1214	562	2112	47205	12603	1405	2421	1297	0	68819	6882	0	47205 (2020)
138.	Song Thrush	0	0	0	6	0	0	0	0	0	0	6	0.6	0	6 (2019)
139.	Redwing	0	0	0	18	0	10	0	0	0	0	28	2.8	0	18 (2019)
140.	Blackbird	0	0	0	20	1	3	0	0	0	0	24	2.4	0	20 (2019)
141.	Fieldfare	3	0	0	0	0	0	0	15	0	0	18	1.8	0	15 (2023)
142.	Robin	0	0	0	12	1	0	0	0	0	0	13	1.3	0	12 (2019)
143.	Whinchat	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2022)
144.	Wheatear	0	1	0	1	1	1	0	0	0	0	4	0.4	0	1 (2017)
145.	Blue-headed Wagtail	10	0	34	44	0	3	2	8	0	0	101	10	0	44 (2019)
146.	Grey Wagtail	0	1	3	1	3	5	4	0	0	0	17	1.7	0	5 (2021)
147.	White Wagtail	1	26	11	6	7	32	7	16	3	0	109	11	9	32 (2021)
148.	Pied Wagtail	0	1	0	0	0	1	0	0	0	0	2	0.2	0	1 (2017)
149.	Richard's Pipit	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2019)
150.	Meadow Pipit	29	5	193	132	8	69	116	187	36	0	775	78	3	193 (2018)
	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
151.	Tree Pipit	0	0	0	0	1	0	0	1	0	0	2	0.2	0	1 (2020)
152.	Rock Pipit	4	50	2	8	1	6	3	1	2	0	77	7.7	0	50 (2017)
153.	Chaffinch	0	0	10	0	0	827	0	0	0	0	837	84	0	827 (2021)
154.	Brambling	0	0	0	0	0	6	0	0	0	0	6	0.6	0	6 (2021)
155.	finch sp.	0	0	0	0	0	0	0	0	16	0	16	1.6	0	16 (2024)
156.	Linnet	0	0	4	21	0	18	0	25	0	0	68	6.8	0	25 (2023)
157.	Lesser Redpoll	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2023)
158.	Goldfinch	0	5	0	0	0	0	0	0	0	0	5	0.5	0	5 (2017)
159.	Siskin	0	0	0	20	0	0	0	30	0	0	50	5	0	30 (2023)
160.	Lapland Bunting	0	0	0	0	0	1	1	2	2	0	6	0.6	0	2 (2023)
161.	Snow Bunting	13	21	16	1	5	14	7	16	6	0	99	9.9	8	21 (2017)
162.	Reed Bunting	0	0	0	0	0	3	0	1	0	0	4	0.4	0	3 (2021)
163.	passerine sp.	0	0	0	0	0	0	2	0	0	0	2	0.2	0	2 (2022)
	Other species
1.	Harbour Porpoise	3	0	1	17	26	63	62	39	43	12	266	27	0	63 (2021)
2.	Humpback whale	0	0	1	0	0	1	0	0	0	0	2	0.2	0	1 (2018)
3.	Grey seal	0	0	0	2	1	3	10	3	9	4	32	3.2	1	10 (2022)
4.	Common Seal	0	0	0	3	0	1	1	0	2	0	7	0.7	0	3 (2019)
5.	bat sp.	0	0	0	0	0	1	0	1	1	0	3	0.3	0	1 (2021)
	Other species
1.	European Peacock	0	0	0	0	0	0	0	0	3	0	3	0.3	0	3 (2024)
2.	Red Admiral	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2024)
	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
	Totals	19182	78166	62787	130391	231614	356601	185726	223638	165687	25246	1479038	147904	9560
	Observation hours	38:20	111:45	120:40	157:15	218:30	318:05	274:30	269:40	221:20	40:00	1,770:05	177:01

Trektellen

Totals Westerslag, Texel 2016 - 2025