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	1 620
2	326
3	1 533
4	640
5	247
6	259
7	152
8	403
9	1 206
10	538
11	368
12	302
13	49
14	58
15	24
16	19
17	48
18	22
19	33
20	15
21	16
22	36
23	14
24	66
25	26
26	44
27	42
28	195
29	147
30	89
31	73
	8 610

september
1	63
2	7
3	13
4	36
5	59
6	65
7	48
8	33
9	42
10	62
11	34
12	68
13	42
14	66
15	81
16	31
17	12
18	39
19	53
20	45
21	13
22	30
23	21
24	78
25	42
26	147
27	299
28	24
29	41
30	38
-
	1 632

october
1	47
2	38
3	20
4	12
5	61
6	38
7	44
8	35
9	39
10	46
11	34
12	65
13	72
14	52
15	108
16	37
17	32
18	2
19	21
20	28
21	33
22	8
23	26
24	43
25	28
26	41
27	44
28	32
29	30
30	130
31	25
	1 271

november
1	85
2	27
3	46
4	39
5	50
6	182
7	44
8	115
9	69
10	65
11	50
12	40
13	10
14	5
15	20
16	5
17	5
18	5
19	-
20	110
21	-
22	-
23	-
24	-
25	-
26	-
27	-
28	-
29	-
30	-
-
	972