| Similarity | Rank | |
|---|---|---|
| cormorant | 0.805 | 26410 |
| bittern | 0.800 | 39895 |
| chough | 0.799 | 54484 |
| black-necked | 0.795 | 84419 |
| gannet | 0.788 | 28421 |
| sparrowhawk | 0.785 | 47871 |
| black-throated | 0.784 | 90934 |
| natterjack | 0.780 | 72575 |
| white-tailed | 0.779 | 48277 |
| auk | 0.772 | 31418 |
| ibis | 0.770 | 35575 |
| wingspan | 0.769 | 56759 |
| grebes | 0.769 | 71333 |
| avocet | 0.769 | 52783 |
| ptarmigan | 0.768 | 48535 |
| redwing | 0.766 | 46989 |
| pink-footed | 0.764 | 74769 |
| whooper | 0.764 | 46385 |
| razorbill | 0.762 | 60721 |
| kingfishers | 0.761 | 96034 |
| goldeneye | 0.761 | 54000 |
| kittiwake | 0.760 | 33943 |
| puffin | 0.759 | 20600 |
| skua | 0.759 | 27212 |
| shearwater | 0.757 | 32385 |