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Species by year




Black-headed Gull

Below are all months shown when black-headed gull migrated this year.

august
12 552
276
3935
4479
583
6367
7215
8237
97
102
1148
123
1317
1420
1519
1637
1714
1811
19103
2087
2131
22186
233
2418
2515
26-
27-
2837
2942
3024
3162
5 730
september
125
218
3115
4201
5211
638
734
820
978
10285
11325
1251
13210
1485
15-
1646
1768
1867
19159
2053
2169
2252
23126
24276
2536
2633
2739
2841
29102
3026
-
2 889
october
116
223
313
417
569
613
723
839
96
10-
1129
126
135
1410
1517
166
175
188
19-
20-
2124
2213
2314
243
25-
26-
27-
2831
293
30-
3118
411
november
113
2-
3-
4-
537
63
7-
823
9-
10223
1135
1210
133
14-
1510
16-
17-
1831
19-
20-
21-
22-
23-
24-
25-
26-
27-
28-
29-
30-
-
388