Select until 26 March

Totals Bertusnol, Texel 2016 - 2025

	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
1.	Dark-bellied Brent Goose	0	0	59	180	45	0	2	2200	2	0	2488	311	0	2200 (2023)
2.	Canada Goose	0	0	0	0	1	0	3	0	0	0	4	0.5	0	3 (2022)
3.	Canada X Greylag Goose	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2022)
4.	Barnacle Goose	0	0	53	0	121	1	1	180	0	0	356	45	0	180 (2023)
5.	Branta sp.	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2018)
6.	Greylag Goose	0	0	70	0	30	4	22	0	0	13	139	17	0	70 (2018)
7.	goose sp.	0	0	0	300	2	0	0	0	0	0	302	38	0	300 (2019)
8.	Eurasian White-fronted Goose	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2018)
9.	Black Swan	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2020)
10.	Mute Swan	0	0	2	0	11	0	0	0	0	0	13	1.6	0	11 (2020)
11.	Whooper Swan	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2018)
12.	Egyptian Goose	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2018)
13.	Shelduck	0	0	18	0	17	2	6	1	0	0	44	5.5	0	18 (2018)
14.	Garganey	0	0	0	0	8	0	7	0	0	0	15	1.9	0	8 (2020)
15.	Shoveler	0	0	14	0	87	2	81	0	0	6	190	24	0	87 (2020)
16.	Gadwall	0	0	7	1	45	2	10	0	3	3	71	8.9	0	45 (2020)
17.	Wigeon	0	0	1	0	60	2	4	340	0	0	407	51	0	340 (2023)
18.	Mallard	0	0	32	0	3	0	0	0	0	0	35	4.4	0	32 (2018)
19.	Pintail	0	0	0	0	16	0	20	1	0	0	37	4.6	0	20 (2022)
20.	Teal	0	0	0	0	100	2	44	0	0	0	146	18	0	100 (2020)
21.	duck sp.	0	0	0	0	25	0	0	0	0	0	25	3.1	0	25 (2020)
22.	Pochard	0	0	0	0	2	0	0	0	0	0	2	0.3	0	2 (2020)
23.	Tufted Duck	0	0	2	1	10	0	0	0	0	0	13	1.6	0	10 (2020)
24.	Scaup	0	0	1	0	2	0	0	0	0	0	3	0.4	0	2 (2020)
25.	Eider	0	0	384	47	1729	73	288	87	3	11	2622	328	0	1729 (2020)
26.	Velvet Scoter	0	0	0	0	8	0	0	0	0	0	8	1	0	8 (2020)
27.	Common Scoter	0	0	4879	93	4984	534	743	79	67	81	11460	1433	0	4984 (2020)
28.	Long-tailed Duck	0	0	1	1	0	0	0	0	0	0	2	0.3	0	1 (2018)
29.	Goldeneye	0	0	0	0	2	0	0	0	0	0	2	0.3	0	2 (2020)
30.	Goosander	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2018)
31.	Red-breasted Merganser	0	0	9	0	32	6	10	0	1	0	58	7.3	0	32 (2020)
32.	Swift	0	0	649	0	13	2	0	0	8	0	672	84	0	649 (2018)
33.	Swallow x House Martin (hybrid)	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2019)
34.	Feral Pigeon	0	0	37	1	24	2	8	0	1	0	73	9.1	0	37 (2018)
35.	Stock Dove	0	0	5	0	10	3	17	0	0	0	35	4.4	0	17 (2022)
36.	Woodpigeon	0	0	449	28	682	59	118	9	23	23	1391	174	0	682 (2020)
37.	Collared Dove	0	0	8	0	13	2	5	0	14	0	42	5.3	0	14 (2024)
38.	Great Crested Grebe	0	0	0	0	4	0	3	0	0	0	7	0.9	0	4 (2020)
39.	Oystercatcher	0	0	82	0	90	0	1	9	3	4	189	24	0	90 (2020)
40.	Grey Plover	0	0	1	2	4	0	0	5	12	0	24	3	0	12 (2024)
41.	Golden Plover	0	0	60	0	37	281	1	0	0	0	379	47	0	281 (2021)
42.	Dotterel	0	0	4	0	0	0	0	0	0	0	4	0.5	0	4 (2018)
43.	Ringed Plover	0	0	18	0	6	0	1	5	1	0	31	3.9	0	18 (2018)
44.	Little Ringed Plover	0	0	0	0	3	0	0	2	0	0	5	0.6	0	3 (2020)
45.	Lapwing	0	0	27	3	10	3	2	1	1	0	47	5.9	0	27 (2018)
46.	Whimbrel	0	0	15	8	103	3	1	0	2	0	132	17	0	103 (2020)
47.	Curlew	0	0	1	0	43	2	6	1	0	0	53	6.6	0	43 (2020)
48.	Bar-tailed Godwit	0	0	1	90	507	115	0	0	0	0	713	89	0	507 (2020)
49.	Black-tailed Godwit	0	0	5	0	2	0	0	0	0	0	7	0.9	0	5 (2018)
50.	Jack Snipe	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2023)
	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
51.	Snipe	0	0	50	4	13	0	1	12	0	3	83	10.4	0	50 (2018)
52.	Green Sandpiper	0	0	11	2	12	0	3	0	0	3	31	3.9	0	12 (2020)
53.	Wood Sandpiper	0	0	0	0	1	0	0	0	1	0	2	0.3	0	1 (2020)
54.	Redshank	0	0	8	0	4	0	0	0	0	0	12	1.5	0	8 (2018)
55.	Spotted Redshank	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2018)
56.	Greenshank	0	0	1	7	20	0	0	0	0	0	28	3.5	0	20 (2020)
57.	Turnstone	0	0	3	0	1	0	0	0	1	0	5	0.6	0	3 (2018)
58.	Knot	0	0	0	3	36	0	0	0	38	0	77	9.6	0	38 (2024)
59.	Ruff	0	0	0	2	0	0	0	0	0	0	2	0.3	0	2 (2019)
60.	wader sp.	0	0	2	0	94	357	0	0	0	0	453	57	0	357 (2021)
61.	Sanderling	0	0	14	0	36	8	0	0	2	0	60	7.5	0	36 (2020)
62.	Dunlin	0	0	0	9	3	2	0	0	0	3	17	2.1	0	9 (2019)
63.	Little Tern	0	0	1	2	134	34	0	0	18	0	189	24	0	134 (2020)
64.	Black Tern	0	0	0	0	0	0	0	0	52	0	52	6.5	0	52 (2024)
65.	Arctic Tern	0	0	0	0	12	0	0	0	12	0	24	3	0	12 (2020)
66.	Common/Arctic Tern	0	0	6	0	1288	74	0	0	301	0	1669	209	0	1288 (2020)
67.	Common Tern	0	0	13	0	265	0	15	0	100	0	393	49	0	265 (2020)
68.	Sandwich Tern	0	0	235	0	4189	199	0	42	285	0	4950	619	0	4189 (2020)
69.	Little Gull	0	0	9	0	385	106	133	144	0	0	777	97	0	385 (2020)
70.	Black-headed Gull	0	0	195	0	475	11	92	21	6	50	850	106	0	475 (2020)
71.	Mediterranean Gull	0	0	2	0	0	0	0	0	0	0	2	0.3	0	2 (2018)
72.	Common Gull	0	0	0	0	0	439	20	2	41	24	526	66	0	439 (2021)
73.	Caspian Gull	0	0	1	0	3	0	0	2	2	2	10	1.3	0	3 (2020)
74.	Herring Gull	0	0	0	0	0	0	7	90	0	15	112	14	0	90 (2023)
75.	Yellow-legged Gull	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2020)
76.	Great Black-backed Gull	0	0	11	1	53	9	3	4	0	0	81	10.1	0	53 (2020)
77.	Lesser Black-backed Gull	0	0	10	0	0	0	390	75	0	77	552	69	0	390 (2022)
78.	skua sp.	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2018)
79.	Arctic Skua	0	0	0	0	3	0	0	0	1	0	4	0.5	0	3 (2020)
80.	Razorbill	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2020)
81.	Razorbill/Guillemot	0	0	0	0	1	0	1	0	0	0	2	0.3	0	1 (2020)
82.	Red-throated Diver	0	0	8	0	68	2	12	0	1	2	93	11.6	0	68 (2020)
83.	Black-throated Diver	0	0	0	0	21	1	2	0	0	0	24	3	0	21 (2020)
84.	diver sp.	0	0	0	0	25	0	1	0	0	0	26	3.3	0	25 (2020)
85.	Fulmar	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2022)
86.	Black Stork	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2018)
87.	White Stork	0	0	0	0	7	0	2	0	0	0	9	1.1	0	7 (2020)
88.	Gannet	0	0	150	0	59	3	12	7	11	7	249	31	5	150 (2018)
89.	Cormorant	0	0	0	0	0	0	26	0	0	0	26	3.3	0	26 (2022)
90.	Spoonbill	0	0	18	8	5	5	8	0	4	2	50	6.3	0	18 (2018)
91.	Little Egret	0	0	1	0	1	0	0	0	0	0	2	0.3	0	1 (2018)
92.	Cattle Egret	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2022)
93.	Great White Egret	0	0	0	0	12	1	4	0	1	0	18	2.3	1	12 (2020)
94.	Grey Heron	0	0	23	11	44	2	11	50	3	0	144	18	0	50 (2023)
95.	Osprey	0	0	13	9	2	0	0	0	2	0	26	3.3	0	13 (2018)
96.	Honey Buzzard	0	0	13	0	0	0	0	0	0	0	13	1.6	0	13 (2018)
97.	Greater Spotted Eagle	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2018)
98.	Sparrowhawk	0	0	4	2	9	9	1	0	1	0	26	3.3	0	9 (2020)
99.	Goshawk	0	0	0	0	1	0	1	0	0	0	2	0.3	0	1 (2020)
100.	Marsh Harrier	0	0	22	2	34	1	7	2	2	1	71	8.9	4	34 (2020)
	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
101.	Hen Harrier	0	0	0	3	4	1	0	1	0	0	9	1.1	2	4 (2020)
102.	Pallid Harrier	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2019)
103.	Hen/Montagu's/Pallid Harrier	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2020)
104.	Red Kite	0	0	0	0	0	0	0	0	1	1	2	0.3	0	1 (2024)
105.	Black Kite	0	0	0	3	1	0	0	0	1	0	5	0.6	0	3 (2019)
106.	Common Buzzard	0	0	10	0	29	1	2	5	0	0	47	5.9	6	29 (2020)
107.	Short-eared Owl	0	0	1	1	1	0	1	0	0	0	4	0.5	0	1 (2018)
108.	European Bee-eater	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2018)
109.	Great Spotted Woodpecker	0	0	6	0	3	0	1	3	0	0	13	1.6	0	6 (2018)
110.	Kestrel	0	0	14	34	36	7	5	3	1	1	101	13	3	36 (2020)
111.	Red-footed Falcon	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2019)
112.	Merlin	0	0	0	1	4	0	0	0	0	0	5	0.6	0	4 (2020)
113.	Hobby	0	0	4	0	1	0	0	0	0	0	5	0.6	1	4 (2018)
114.	Peregrine	0	0	0	1	7	0	0	0	0	0	8	1	0	7 (2020)
115.	Golden Oriole	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2018)
116.	Jay	0	0	1	1	3	3	0	0	0	0	8	1	0	3 (2020)
117.	Magpie	0	0	22	0	8	0	42	0	5	0	77	9.6	0	42 (2022)
118.	Jackdaw	0	0	12	0	1	0	0	0	26	0	39	4.9	0	26 (2024)
119.	Rook	0	0	0	0	0	0	1	0	0	0	1	0.1	0	1 (2022)
120.	Carrion Crow	0	0	8	0	13	0	37	0	1	0	59	7.4	0	37 (2022)
121.	Coal Tit	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2023)
122.	Blue Tit	0	0	2	0	0	0	0	15	0	0	17	2.1	0	15 (2023)
123.	Great Tit	0	0	0	0	5	0	2	5	0	0	12	1.5	0	5 (2020)
124.	Wood Lark	0	0	15	0	7	1	5	12	0	0	40	5	0	15 (2018)
125.	Skylark	0	0	5	1	12	7	7	141	0	1	174	22	0	141 (2023)
126.	Shore Lark	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2023)
127.	Sand Martin	0	0	71	39	303	67	22	1	17	0	520	65	0	303 (2020)
128.	Swallow	0	0	797	85	918	77	10	3	69	1	1960	245	0	918 (2020)
129.	House Martin	0	0	352	6	31	4	1	0	11	0	405	51	0	352 (2018)
130.	Red-rumped Swallow	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2019)
131.	Willow Warbler	0	0	0	0	1	0	0	1	0	0	2	0.3	0	1 (2020)
132.	Chiffchaff	0	0	0	0	0	0	0	1	0	0	1	0.1	0	1 (2023)
133.	Chiffchaff/Willow Warbler	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2018)
134.	Blackcap	0	0	0	0	0	0	0	33	0	0	33	4.1	0	33 (2023)
135.	Lesser Whitethroat	0	0	0	0	2	0	0	0	0	0	2	0.3	0	2 (2020)
136.	Goldcrest	0	0	0	0	0	0	0	350	0	0	350	44	0	350 (2023)
137.	Starling	0	0	205	3	264	3	166	524	11	39	1215	152	0	524 (2023)
138.	Song Thrush	0	0	101	63	54	4	20	1202	2	6	1452	182	0	1202 (2023)
139.	Mistle Thrush	0	0	0	1	0	0	11	0	0	15	27	3.4	0	15 (2025)
140.	Redwing	0	0	55	0	12	0	44	2517	0	21	2649	331	0	2517 (2023)
141.	Blackbird	0	0	0	0	0	0	0	1	0	1	2	0.3	0	1 (2023)
142.	Fieldfare	0	0	0	5	8	7	2	25	0	0	47	5.9	0	25 (2023)
143.	Ring Ouzel	0	0	4	4	20	2	14	4	0	2	50	6.3	4	20 (2020)
144.	Spotted Flycatcher	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2018)
145.	Stonechat	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2018)
146.	Wheatear	0	0	0	2	2	0	1	2	0	0	7	0.9	4	2 (2019)
147.	Tree Sparrow	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2020)
148.	House Sparrow	0	0	0	0	1	0	0	0	0	0	1	0.1	0	1 (2020)
149.	Dunnock	0	0	6	0	10	1	0	18	0	0	35	4.4	0	18 (2023)
150.	Blue-headed Wagtail	0	0	4	2	12	4	4	0	4	0	30	3.8	0	12 (2020)
	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
151.	Yellow Wagtail (flavissima)	0	0	0	7	21	6	0	0	0	0	34	4.3	0	21 (2020)
152.	Grey-headed Wagtail	0	0	24	0	8	0	0	0	0	0	32	4	0	24 (2018)
153.	Yellow wagtail sp.	0	0	160	10	111	15	23	1	15	0	335	42	0	160 (2018)
154.	Grey Wagtail	0	0	2	0	0	0	0	14	0	0	16	2	0	14 (2023)
155.	White Wagtail	0	0	8	0	17	1	4	27	1	35	93	11.6	0	35 (2025)
156.	alba wagtail sp.	0	0	100	5	145	19	55	13	0	0	337	42	0	145 (2020)
157.	Pied Wagtail	0	0	0	0	3	0	2	0	0	1	6	0.8	0	3 (2020)
158.	Richard's Pipit	0	0	0	0	0	0	0	4	0	0	4	0.5	0	4 (2023)
159.	Tawny Pipit	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2018)
160.	Meadow Pipit	0	0	77	405	2164	113	314	796	2	38	3909	489	0	2164 (2020)
161.	Tree Pipit	0	0	72	13	308	19	33	4	26	0	475	59	0	308 (2020)
162.	Red-throated Pipit	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2024)
163.	Rock Pipit	0	0	0	0	0	0	0	28	0	0	28	3.5	0	28 (2023)
164.	Chaffinch	0	0	10	5	31	1	9	5	0	0	61	7.6	0	31 (2020)
165.	Brambling	0	0	17	0	9	0	4	130	0	0	160	20	0	130 (2023)
166.	finch sp.	0	0	0	0	2	0	0	0	0	0	2	0.3	0	2 (2020)
167.	Hawfinch	0	0	0	0	3	0	0	0	1	0	4	0.5	0	3 (2020)
168.	Greenfinch	0	0	21	1	38	2	3	3	4	8	80	10	0	38 (2020)
169.	Linnet	0	0	190	20	504	31	135	46	0	4	930	116	0	504 (2020)
170.	Mealy Redpoll	0	0	0	0	1	0	0	0	2	0	3	0.4	0	2 (2024)
171.	Lesser Redpoll	0	0	1	0	0	0	3	0	0	0	4	0.5	0	3 (2022)
172.	redpoll sp.	0	0	4	0	7	3	0	2	0	0	16	2	0	7 (2020)
173.	Crossbill	0	0	0	0	0	24	0	3	0	0	27	3.4	0	24 (2021)
174.	Goldfinch	0	0	16	2	66	13	37	3	0	0	137	17	0	66 (2020)
175.	Serin	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2018)
176.	Siskin	0	0	2	1	2	1	6	170	0	0	182	23	0	170 (2023)
177.	Lapland Bunting	0	0	0	0	0	0	0	5	0	0	5	0.6	0	5 (2023)
178.	Snow Bunting	0	0	0	0	0	0	5	0	0	0	5	0.6	0	5 (2022)
179.	Corn Bunting	0	0	0	0	0	0	0	0	1	0	1	0.1	0	1 (2024)
180.	Ortolan Bunting	0	0	1	0	0	0	0	0	0	0	1	0.1	0	1 (2018)
181.	Little Bunting	0	0	0	0	0	0	0	3	0	0	3	0.4	0	3 (2023)
182.	Reed Bunting	0	0	5	2	36	1	1	41	3	3	92	11.5	0	41 (2023)
	Other species
1.	Harbour Porpoise	0	0	0	0	2	0	3	0	0	0	5	0.6	0	3 (2022)
	Other species
1.	Red Admiral	0	0	0	2	0	0	0	0	0	0	2	0.3	0	2 (2019)
2.	Painted Lady	0	0	0	1	0	0	0	0	0	0	1	0.1	0	1 (2019)
	Other species
1.	Bumblebee sp.	0	0	0	0	3	0	0	0	0	0	3	0.4	0	3 (2020)
	Species	2016	2017	2018	2019	2020	2021	2022	2023	2024	2025	Totals	Average	Present	Year Maximum
	Totals	0	0	10139	1550	21466	2801	3194	9539	1231	507	50427	6303	30
	Observation hours			52:50	13:15	66:50	8:04	11:30	6:22	7:46	3:30	170:07	21:16

Trektellen

Totals Bertusnol, Texel 2016 - 2025