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	328
2	70
3	22
4	442
5	458
6	18
7	206
8	35
9	20
10	268
11	52
12	32
13	33
14	41
15	103
16	41
17	63
18	98
19	94
20	401
21	204
22	458
23	1 395
24	217
25	35
26	138
27	89
28	29
29	31
30	13
31	-
	5 434

september
1	4
2	-
3	41
4	67
5	173
6	103
7	114
8	75
9	76
10	39
11	12
12	9
13	-
14	86
15	31
16	-
17	7
18	38
19	21
20	147
21	9
22	8
23	337
24	21
25	20
26	4
27	30
28	9
29	133
30	30
-
	1 644

october
1	23
2	37
3	45
4	31
5	32
6	85
7	39
8	58
9	64
10	10
11	104
12	73
13	21
14	7
15	10
16	-
17	20
18	33
19	17
20	20
21	7
22	60
23	10
24	36
25	12
26	25
27	79
28	-
29	43
30	85
31	15
	1 101

november
1	81
2	25
3	119
4	98
5	84
6	22
7	38
8	66
9	27
10	-
11	45
12	30
13	40
14	110
15	80
16	10
17	140
18	10
19	10
20	10
21	-
22	-
23	-
24	-
25	-
26	-
27	-
28	-
29	-
30	-
-
	1 045