| Similarity | Rank | |
|---|---|---|
| razorbill | 0.907 | 60721 |
| red-throated | 0.886 | 54047 |
| slavonian | 0.877 | 81209 |
| kittiwake | 0.875 | 33943 |
| black-necked | 0.872 | 84419 |
| guillemot | 0.865 | 27350 |
| kumana | 0.860 | 78239 |
| chough | 0.860 | 54484 |
| arctica | 0.855 | 79833 |
| auk | 0.851 | 31418 |
| natterjack | 0.850 | 72575 |
| gannet | 0.848 | 28421 |
| gulls | 0.842 | 69834 |
| red-breasted | 0.837 | 51593 |
| goldeneye | 0.835 | 54000 |
| non-breeding | 0.835 | 51368 |
| sunbird | 0.834 | 61399 |
| brünnich | 0.833 | 94964 |
| seabird | 0.831 | 21783 |
| pink-footed | 0.830 | 74769 |
| white-tailed | 0.830 | 48277 |
| grebes | 0.830 | 71333 |
| avocet | 0.830 | 52783 |
| grebe | 0.830 | 34498 |
| waterfowl | 0.826 | 31687 |