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	37
2	14
3	1 284
4	156
5	118
6	1 325
7	788
8	939
9	100
10	148
11	30
12	63
13	50
14	469
15	693
16	143
17	-
18	18
19	5
20	23
21	23
22	13
23	1 005
24	-
25	-
26	48
27	275
28	97
29	136
30	188
31	140
	8 328

september
1	72
2	116
3	24
4	66
5	439
6	49
7	9
8	7
9	16
10	30
11	-
12	53
13	-
14	18
15	13
16	12
17	-
18	-
19	20
20	42
21	5
22	155
23	43
24	10
25	33
26	61
27	40
28	39
29	37
30	50
-
	1 459

october
1	30
2	12
3	-
4	3
5	58
6	43
7	76
8	19
9	55
10	5
11	25
12	33
13	10
14	20
15	49
16	15
17	22
18	3
19	3
20	13
21	8
22	-
23	17
24	8
25	58
26	-
27	9
28	13
29	18
30	48
31	13
	686

november
1	-
2	8
3	-
4	4
5	9
6	58
7	23
8	10
9	15
10	16
11	24
12	7
13	1
14	94
15	15
16	-
17	-
18	-
19	-
20	-
21	-
22	-
23	-
24	-
25	-
26	-
27	-
28	-
29	-
30	-
-
	284