| Similarity | Rank | |
|---|---|---|
| gannet | 0.881 | 28421 |
| kittiwake | 0.863 | 33943 |
| razorbill | 0.859 | 60721 |
| guillemot | 0.858 | 27350 |
| black-backed | 0.843 | 50125 |
| tern | 0.841 | 15678 |
| puffin | 0.839 | 20600 |
| eider | 0.838 | 27984 |
| goldeneye | 0.838 | 54000 |
| red-throated | 0.835 | 54047 |
| skua | 0.832 | 27212 |
| pink-footed | 0.825 | 74769 |
| sandpiper | 0.821 | 25340 |
| red-breasted | 0.819 | 51593 |
| black-throated | 0.818 | 90934 |
| dunlin | 0.818 | 36534 |
| merganser | 0.818 | 51592 |
| moorhen | 0.815 | 32586 |
| siskin | 0.815 | 69839 |
| ptarmigan | 0.813 | 48535 |
| chough | 0.813 | 54484 |
| lapwing | 0.808 | 39882 |
| flightless | 0.807 | 42321 |
| white-tailed | 0.806 | 48277 |
| avocet | 0.806 | 52783 |