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	-
3	-
4	-
5	-
6	-
7	-
8	-
9	-
10	-
11	401
12	564
13	117
14	349
15	-
16	30
17	-
18	15
19	525
20	111
21	6
22	3
23	902
24	1 693
25	272
26	103
27	23
28	-
29	94
30	82
31	29
	5 319

september
1	61
2	6
3	3
4	10
5	64
6	22
7	-
8	-
9	47
10	34
11	11
12	65
13	728
14	11
15	15
16	36
17	109
18	195
19	92
20	-
21	-
22	17
23	202
24	432
25	156
26	49
27	307
28	8
29	11
30	-
-
	2 691

october
1	3
2	15
3	2
4	74
5	154
6	33
7	38
8	5
9	13
10	-
11	107
12	50
13	134
14	40
15	33
16	-
17	11
18	6
19	-
20	20
21	85
22	37
23	10
24	7
25	5
26	2
27	13
28	3
29	34
30	16
31	31
	981

november
1	80
2	34
3	66
4	9
5	11
6	-
7	14
8	56
9	31
10	38
11	28
12	2
13	24
14	23
15	11
16	25
17	14
18	24
19	-
20	-
21	-
22	-
23	-
24	-
25	-
26	-
27	-
28	-
29	-
30	-
-
	490