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	27
2	5
3	479
4	433
5	203
6	36
7	55
8	59
9	43
10	79
11	25
12	107
13	108
14	15
15	87
16	39
17	128
18	354
19	56
20	51
21	203
22	121
23	129
24	580
25	510
26	357
27	41
28	296
29	135
30	45
31	55
	4 861

september
1	90
2	47
3	27
4	51
5	43
6	63
7	73
8	53
9	77
10	109
11	49
12	46
13	45
14	175
15	31
16	30
17	102
18	310
19	126
20	68
21	48
22	3
23	440
24	325
25	84
26	95
27	165
28	56
29	46
30	35
-
	2 912

october
1	103
2	78
3	52
4	61
5	38
6	19
7	40
8	40
9	33
10	29
11	21
12	16
13	130
14	23
15	105
16	-
17	56
18	120
19	39
20	70
21	125
22	26
23	26
24	38
25	16
26	5
27	26
28	134
29	41
30	33
31	23
	1 566

november
1	31
2	15
3	100
4	28
5	40
6	33
7	16
8	19
9	2
10	52
11	20
12	12
13	10
14	7
15	4
16	29
17	14
18	88
19	14
20	2
21	-
22	-
23	-
24	-
25	-
26	-
27	-
28	-
29	-
30	-
-
	536