Also present

Totals Terschelling, Paal 18 1990

	Species	Apr	May	Jun	Jul	Aug	Sep	Totals	W	E	Maximum	Presence (%)	Presence (days)	First	Last
1.	Dark-bellied Brent Goose	0	0	0	0	0	1	1	1	0	1 (14 Sep)	6	1	14 Sep	14 Sep
2.	Wigeon	0	0	0	0	0	50	50	49	1	24 (5 Sep)	22	4	5 Sep	16 Sep
3.	Teal	0	0	0	0	0	37	37	36	1	18 (9 Sep)	44	8	5 Sep	16 Sep
4.	Eider	49	0	0	0	0	38	87	77	10	20 (8 Apr)	50	9	7 Apr	12 Sep
5.	Velvet Scoter	0	0	0	0	0	6	6	4	2	2 (5 Sep)	22	4	5 Sep	14 Sep
6.	Common Scoter	973	0	0	0	72	4889	5934	4467	1467	1234 (5 Sep)	94	17	7 Apr	16 Sep
7.	Red-breasted Merganser	1	0	0	0	0	0	1	0	1	1 (9 Apr)	6	1	9 Apr	9 Apr
8.	Red-throated Diver	0	0	0	0	0	1	1	1	0	1 (7 Sep)	6	1	7 Sep	7 Sep
9.	diver sp.	1	0	0	0	0	8	9	4	5	3 (7 Sep)	22	4	7 Apr	15 Sep
10.	Leach's Petrel	0	0	0	0	0	3	3	3	0	3 (8 Sep)	6	1	8 Sep	8 Sep
11.	Fulmar	0	0	0	0	0	20	20	18	2	7 (9 Sep)	28	5	5 Sep	16 Sep
12.	Sooty Shearwater	0	0	0	0	0	4	4	4	0	2 (8 Sep)	17	3	8 Sep	11 Sep
13.	Red-necked Grebe	0	0	0	0	0	1	1	1	0	1 (14 Sep)	6	1	14 Sep	14 Sep
14.	Great Crested Grebe	1	0	0	0	0	25	26	21	5	6 (11 Sep)	61	11	9 Apr	16 Sep
15.	Gannet	1	0	0	0	1	793	795	550	245	141 (9 Sep)	83	15	8 Apr	16 Sep
16.	Cormorant	0	0	0	0	66	417	483	331	152	111 (5 Sep)	78	14	20 Aug	16 Sep
17.	Oystercatcher	0	0	0	0	2	8	10	7	3	5 (8 Sep)	17	3	20 Aug	11 Sep
18.	Ringed Plover	0	0	0	0	0	9	9	9	0	9 (13 Sep)	6	1	13 Sep	13 Sep
19.	Curlew	0	0	0	0	0	1	1	1	0	1 (15 Sep)	6	1	15 Sep	15 Sep
20.	Bar-tailed Godwit	0	0	0	0	0	18	18	18	0	9 (8 Sep)	22	4	7 Sep	16 Sep
21.	Turnstone	0	0	0	0	0	2	2	2	0	2 (14 Sep)	6	1	14 Sep	14 Sep
22.	Sanderling	0	0	0	0	0	15	15	3	12	9 (8 Sep)	17	3	7 Sep	15 Sep
23.	Dunlin	0	0	0	0	0	8	8	8	0	7 (13 Sep)	11	2	8 Sep	13 Sep
24.	Kittiwake	0	0	0	0	0	3	3	3	0	2 (8 Sep)	11	2	8 Sep	15 Sep
25.	Black-headed Gull	54	0	0	0	0	34	88	58	30	40 (9 Apr)	56	10	7 Apr	16 Sep
26.	Little Gull	0	0	0	0	0	5	5	5	0	3 (8 Sep)	17	3	5 Sep	9 Sep
27.	Common Gull	20	0	0	0	0	40	60	34	26	12 (7 Apr)	72	13	7 Apr	16 Sep
28.	Great Black-backed Gull	2	0	0	0	2	145	149	125	24	80 (3 Sep)	78	14	8 Apr	16 Sep
29.	Lesser Black-backed Gull	50	0	0	0	11	414	475	346	129	98 (7 Sep)	100	18	7 Apr	16 Sep
30.	Sandwich Tern	71	0	0	0	272	3473	3816	3472	344	1118 (5 Sep)	100	18	7 Apr	16 Sep
	Species	Apr	May	Jun	Jul	Aug	Sep	Totals	W	E	Maximum	Presence (%)	Presence (days)	First	Last
31.	Little Tern	0	0	0	0	0	1	1	1	0	1 (8 Sep)	6	1	8 Sep	8 Sep
32.	Common Tern	0	0	0	0	0	136	136	135	1	69 (3 Sep)	44	8	3 Sep	14 Sep
33.	Arctic Tern	0	0	0	0	0	2	2	2	0	2 (7 Sep)	6	1	7 Sep	7 Sep
34.	Common/Arctic Tern	3	0	0	0	1	20	24	21	3	14 (5 Sep)	28	5	7 Apr	15 Sep
35.	Black Tern	0	0	0	0	0	1	1	1	0	1 (7 Sep)	6	1	7 Sep	7 Sep
36.	Great Skua	0	0	0	0	0	4	4	4	0	2 (5 Sep)	17	3	5 Sep	11 Sep
37.	Pomarine Skua	0	0	0	0	0	2	2	2	0	2 (9 Sep)	6	1	9 Sep	9 Sep
38.	Arctic Skua	0	0	0	0	5	111	116	110	6	24 (9 Sep)	78	14	20 Aug	16 Sep
39.	Razorbill/Guillemot	0	0	0	0	0	1	1	1	0	1 (9 Sep)	6	1	9 Sep	9 Sep
	Species	Apr	May	Jun	Jul	Aug	Sep	Totals	W	E	Maximum	Presence (%)	Presence (days)	First	Last
	Totals	1226	0	0	0	432	10746	12404	9935	2469		100	18
	Observation hours	3:00	0:00	0:00	0:00	2:00	28:00	33:00

Trektellen

Totals Terschelling, Paal 18 1990