Below are all months shown when common eider migrated this year.
| august | |
|---|---|
| 1 | - |
| 2 | - |
| 3 | - |
| 4 | - |
| 5 | 590 |
| 6 | - |
| 7 | - |
| 8 | - |
| 9 | - |
| 10 | 200 |
| 11 | 377 |
| 12 | 284 |
| 13 | 109 |
| 14 | 544 |
| 15 | 525 |
| 16 | 25 |
| 17 | - |
| 18 | 11 |
| 19 | 25 |
| 20 | 90 |
| 21 | - |
| 22 | 9 |
| 23 | 76 |
| 24 | 76 |
| 25 | 221 |
| 26 | 97 |
| 27 | 67 |
| 28 | 51 |
| 29 | 15 |
| 30 | 30 |
| 31 | 14 |
| 3 436 | |
| september | |
|---|---|
| 1 | 94 |
| 2 | 55 |
| 3 | 71 |
| 4 | 62 |
| 5 | 463 |
| 6 | 325 |
| 7 | 47 |
| 8 | 93 |
| 9 | 186 |
| 10 | 389 |
| 11 | 112 |
| 12 | 10 |
| 13 | 49 |
| 14 | 304 |
| 15 | 587 |
| 16 | 143 |
| 17 | 101 |
| 18 | 395 |
| 19 | 1 149 |
| 20 | 173 |
| 21 | 41 |
| 22 | 49 |
| 23 | 1 900 |
| 24 | 3 908 |
| 25 | 4 705 |
| 26 | 14 760 |
| 27 | 4 535 |
| 28 | 3 000 |
| 29 | 74 |
| 30 | 72 |
| - | |
| 37 852 | |