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Totals Terschelling, Paal 18 2021

	Species	Jan	Totals	W	E	Maximum	Presence (%)	Presence (days)	First	Last
1.	Wigeon	4	4	2	2	4 (28 Jan)	20	1	28 Jan	28 Jan
2.	Eider	7	7	7	0	4 (25 Jan)	40	2	25 Jan	31 Jan
3.	Velvet Scoter	10	10	9	1	4 (28 Jan)	80	4	25 Jan	31 Jan
4.	Common Scoter	2782	2782	1720	1062	942 (31 Jan)	100	5	24 Jan	31 Jan
5.	Long-tailed Duck	2	2	0	2	2 (31 Jan)	20	1	31 Jan	31 Jan
6.	Goosander	1	1	1	0	1 (28 Jan)	20	1	28 Jan	28 Jan
7.	Red-throated Diver	736	736	672	64	389 (28 Jan)	100	5	24 Jan	31 Jan
8.	Black-throated Diver	3	3	2	1	1 (24 Jan)	60	3	24 Jan	31 Jan
9.	diver sp.	181	181	179	2	181 (31 Jan)	20	1	31 Jan	31 Jan
10.	Gannet	61	61	55	6	17 (28 Jan)	100	5	24 Jan	31 Jan
11.	Oystercatcher	138	138	51	87	138 (31 Jan)	20	1	31 Jan	31 Jan
12.	Kittiwake	83	83	82	1	38 (25 Jan)	80	4	24 Jan	28 Jan
13.	Black-headed Gull	17	17	10	7	17 (31 Jan)	20	1	31 Jan	31 Jan
14.	Common Gull	148	148	138	10	148 (31 Jan)	20	1	31 Jan	31 Jan
15.	Guillemot	16	16	16	0	14 (28 Jan)	40	2	25 Jan	28 Jan
16.	Razorbill	3	3	3	0	3 (31 Jan)	20	1	31 Jan	31 Jan
17.	Razorbill/Guillemot	178	178	171	7	151 (28 Jan)	100	5	24 Jan	31 Jan
	Other species
	Species	Jan	Totals	W	E	Maximum	Presence (%)	Presence (days)	First	Last
1.	Harbour Porpoise	3	3	0	3	3 (31 Jan)	20	1	31 Jan	31 Jan
	Species	Jan	Totals	W	E	Maximum	Presence (%)	Presence (days)	First	Last
	Totals	4373	4373	3118	1255		100	5
	Observation hours	4:45	4:45

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