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	32
2	1 656
3	388
4	278
5	319
6	666
7	1 409
8	584
9	474
10	52
11	22
12	31
13	39
14	245
15	346
16	440
17	270
18	208
19	184
20	361
21	187
22	142
23	101
24	39
25	21
26	25
27	29
28	34
29	16
30	49
31	164
	8 811

september
1	137
2	62
3	25
4	26
5	26
6	114
7	9
8	48
9	41
10	148
11	65
12	48
13	46
14	36
15	9
16	97
17	155
18	131
19	76
20	123
21	79
22	83
23	54
24	81
25	56
26	39
27	45
28	26
29	38
30	16
-
	1 939

october
1	10
2	69
3	75
4	7
5	7
6	21
7	11
8	19
9	42
10	26
11	40
12	12
13	8
14	31
15	17
16	16
17	15
18	7
19	10
20	12
21	7
22	64
23	12
24	28
25	43
26	-
27	87
28	40
29	46
30	75
31	41
	898

november
1	29
2	19
3	-
4	11
5	14
6	28
7	22
8	11
9	29
10	43
11	17
12	3
13	4
14	3
15	-
16	35
17	-
18	-
19	19
20	9
21	-
22	-
23	-
24	-
25	-
26	-
27	-
28	-
29	-
30	-
-
	296