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	23
2	9
3	5
4	-
5	95
6	306
7	77
8	4
9	67
10	52
11	26
12	164
13	23
14	21
15	66
16	603
17	226
18	159
19	47
20	28
21	11
22	19
23	503
24	1 386
25	49
26	10
27	7
28	10
29	48
30	89
31	115
	4 248

september
1	459
2	16
3	20
4	31
5	-
6	13
7	90
8	18
9	8
10	103
11	156
12	157
13	104
14	117
15	112
16	122
17	103
18	33
19	61
20	17
21	72
22	24
23	16
24	48
25	23
26	11
27	-
28	18
29	61
30	167
-
	2 180

october
1	204
2	16
3	92
4	22
5	6
6	75
7	54
8	51
9	9
10	21
11	27
12	7
13	25
14	12
15	22
16	16
17	119
18	9
19	10
20	45
21	19
22	30
23	13
24	26
25	20
26	-
27	78
28	99
29	33
30	20
31	22
	1 202

november
1	50
2	22
3	13
4	-
5	-
6	31
7	13
8	15
9	27
10	14
11	-
12	12
13	6
14	-
15	9
16	14
17	29
18	9
19	13
20	15
21	-
22	-
23	-
24	-
25	-
26	-
27	-
28	-
29	-
30	-
-
	292