Below are all months shown when common eider migrated this year.
| august | |
|---|---|
| 1 | - |
| 2 | - |
| 3 | - |
| 4 | - |
| 5 | 325 |
| 6 | - |
| 7 | - |
| 8 | - |
| 9 | - |
| 10 | - |
| 11 | 406 |
| 12 | 685 |
| 13 | 220 |
| 14 | 93 |
| 15 | 43 |
| 16 | 22 |
| 17 | - |
| 18 | - |
| 19 | 50 |
| 20 | - |
| 21 | - |
| 22 | 163 |
| 23 | 67 |
| 24 | 111 |
| 25 | 54 |
| 26 | 62 |
| 27 | 65 |
| 28 | 55 |
| 29 | 36 |
| 30 | - |
| 31 | 40 |
| 2 497 | |
| september | |
|---|---|
| 1 | 103 |
| 2 | 23 |
| 3 | 1 769 |
| 4 | 40 |
| 5 | 414 |
| 6 | 1 375 |
| 7 | 1 901 |
| 8 | 12 |
| 9 | - |
| 10 | 15 |
| 11 | - |
| 12 | 360 |
| 13 | 1 442 |
| 14 | 10 120 |
| 15 | 4 500 |
| 16 | 2 020 |
| 17 | 253 |
| 18 | 182 |
| 19 | 44 |
| 20 | 3 949 |
| 21 | 3 826 |
| 22 | 1 974 |
| 23 | 900 |
| 24 | 395 |
| 25 | 467 |
| 26 | 110 |
| 27 | 265 |
| 28 | 60 |
| 29 | - |
| 30 | - |
| - | |
| 36 519 | |