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	2 552
2	76
3	935
4	479
5	83
6	367
7	215
8	237
9	7
10	2
11	48
12	3
13	17
14	20
15	19
16	37
17	14
18	11
19	103
20	87
21	31
22	186
23	3
24	18
25	15
26	-
27	-
28	37
29	42
30	24
31	62
	5 730

september
1	25
2	18
3	115
4	201
5	211
6	38
7	34
8	20
9	78
10	285
11	325
12	51
13	210
14	85
15	-
16	46
17	68
18	67
19	159
20	53
21	69
22	52
23	126
24	276
25	36
26	33
27	39
28	41
29	102
30	26
-
	2 889

october
1	16
2	23
3	13
4	17
5	69
6	13
7	23
8	39
9	6
10	-
11	29
12	6
13	5
14	10
15	17
16	6
17	5
18	8
19	-
20	-
21	24
22	13
23	14
24	3
25	-
26	-
27	-
28	31
29	3
30	-
31	18
	411

november
1	13
2	-
3	-
4	-
5	37
6	3
7	-
8	23
9	-
10	223
11	35
12	10
13	3
14	-
15	10
16	-
17	-
18	31
19	-
20	-
21	-
22	-
23	-
24	-
25	-
26	-
27	-
28	-
29	-
30	-
-
	388