| Similarity | Rank | |
|---|---|---|
| sighting | 0.888 | 23269 |
| Sightings | 0.802 | 70806 |
| raptors | 0.708 | 51082 |
| buzzards | 0.702 | 95718 |
| UFOs | 0.701 | 31458 |
| otters | 0.695 | 43964 |
| UFO | 0.695 | 15992 |
| birdwatchers | 0.692 | 96683 |
| birders | 0.692 | 50364 |
| osprey | 0.684 | 77584 |
| peregrine | 0.683 | 85865 |
| seabirds | 0.683 | 56141 |
| cormorants | 0.681 | 87927 |
| white-tailed | 0.677 | 82756 |
| manatees | 0.675 | 72429 |
| porpoises | 0.674 | 89925 |
| whales | 0.672 | 13973 |
| foxes | 0.670 | 31009 |
| shorebirds | 0.667 | 76854 |
| leopards | 0.666 | 45444 |
| herons | 0.663 | 57019 |
| pelicans | 0.661 | 61638 |
| birdlife | 0.661 | 72393 |
| waterbirds | 0.660 | 98244 |
| terns | 0.659 | 83870 |