| Similarity | Rank | |
|---|---|---|
| red-breasted | 0.868 | 51593 |
| curlew | 0.856 | 22291 |
| wheatear | 0.855 | 43967 |
| nightjar | 0.845 | 49251 |
| black-backed | 0.844 | 50125 |
| pipit | 0.843 | 26182 |
| avocet | 0.842 | 52783 |
| lapwing | 0.842 | 39882 |
| phalarope | 0.839 | 48476 |
| goosander | 0.838 | 69934 |
| bittern | 0.838 | 39895 |
| razorbill | 0.838 | 60721 |
| natterjack | 0.838 | 72575 |
| greylag | 0.836 | 62711 |
| goldeneye | 0.833 | 54000 |
| moorhen | 0.831 | 32586 |
| chiff-chaff | 0.830 | 95430 |
| red-necked | 0.830 | 55672 |
| red-throated | 0.830 | 54047 |
| redshank | 0.829 | 28023 |
| pink-footed | 0.829 | 74769 |
| coot | 0.828 | 36288 |
| white-headed | 0.827 | 76672 |
| redpoll | 0.826 | 62399 |
| whimbrel | 0.823 | 61317 |