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	4
2	9
3	199
4	18
5	324
6	116
7	124
8	41
9	23
10	8
11	22
12	29
13	15
14	17
15	71
16	58
17	25
18	17
19	8
20	16
21	33
22	8
23	143
24	295
25	113
26	329
27	121
28	51
29	220
30	900
31	220
	3 577

september
1	1 130
2	140
3	95
4	85
5	45
6	70
7	56
8	64
9	52
10	6
11	38
12	80
13	15
14	840
15	730
16	60
17	70
18	50
19	40
20	180
21	22
22	32
23	160
24	30
25	65
26	30
27	28
28	31
29	222
30	46
-
	4 512

october
1	52
2	210
3	428
4	144
5	65
6	120
7	50
8	58
9	55
10	16
11	42
12	28
13	10
14	53
15	190
16	197
17	36
18	42
19	34
20	37
21	45
22	51
23	68
24	95
25	56
26	280
27	75
28	290
29	80
30	25
31	180
	3 112

november
1	25
2	35
3	27
4	40
5	45
6	25
7	110
8	55
9	180
10	55
11	10
12	15
13	10
14	-
15	20
16	-
17	-
18	20
19	30
20	5
21	-
22	-
23	-
24	-
25	-
26	-
27	-
28	-
29	-
30	-
-
	707