| Similarity | Rank | |
|---|---|---|
| kittiwake | 0.944 | 33943 |
| guillemot | 0.919 | 27350 |
| black-backed | 0.913 | 50125 |
| black-throated | 0.907 | 90934 |
| red-breasted | 0.907 | 51593 |
| white-tailed | 0.907 | 48277 |
| red-throated | 0.906 | 54047 |
| goldeneye | 0.904 | 54000 |
| turnstone | 0.903 | 56075 |
| wigeon | 0.902 | 42075 |
| redpoll | 0.897 | 62399 |
| shoveler | 0.897 | 69901 |
| slavonian | 0.896 | 81209 |
| dunlin | 0.896 | 36534 |
| gannet | 0.896 | 28421 |
| auk | 0.895 | 31418 |
| lapwing | 0.893 | 39882 |
| redshank | 0.892 | 28023 |
| vanellus | 0.892 | 75014 |
| grebe | 0.891 | 34498 |
| pochard | 0.890 | 50505 |
| sparrowhawk | 0.889 | 47871 |
| phalarope | 0.889 | 48476 |
| white-rumped | 0.886 | 71781 |
| black-back | 0.886 | 80188 |