Migration monitoring

1

Species by year

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Black-headed Gull

Below are all months shown when black-headed gull migrated this year.

august
1	-
2	-
3	-
4	-
5	-
6	-
7	-
8	-
9	-
10	-
11	192
12	71
13	188
14	276
15	2
16	83
17	230
18	577
19	210
20	31
21	15
22	3
23	22
24	155
25	231
26	37
27	-
28	130
29	11
30	41
31	492
	2 997

september
1	510
2	231
3	10
4	46
5	-
6	189
7	9
8	30
9	132
10	11
11	-
12	-
13	-
14	2
15	-
16	70
17	-
18	-
19	5
20	12
21	-
22	65
23	614
24	570
25	53
26	8
27	-
28	28
29	15
30	198
-
	2 808

october
1	107
2	39
3	10
4	-
5	16
6	-
7	3
8	49
9	-
10	11
11	3
12	-
13	45
14	69
15	43
16	40
17	10
18	5
19	22
20	3
21	33
22	41
23	32
24	5
25	-
26	-
27	-
28	6
29	-
30	-
31	-
	592

november
1	-
2	11
3	8
4	-
5	-
6	13
7	2
8	-
9	-
10	-
11	2
12	-
13	3
14	7
15	-
16	-
17	-
18	-
19	20
20	10
21	-
22	-
23	-
24	-
25	-
26	-
27	-
28	-
29	-
30	-
-
	76