| Similarity | Rank | |
|---|---|---|
| Endangered | 0.829 | 30717 |
| Waterfowl | 0.808 | 88772 |
| Species | 0.796 | 19044 |
| Mammal | 0.780 | 79730 |
| Conservation | 0.772 | 8816 |
| migratory | 0.768 | 26999 |
| Habitats | 0.764 | 83377 |
| Wildlife | 0.758 | 8698 |
| Wetlands | 0.737 | 32776 |
| Mammals | 0.730 | 75048 |
| Biodiversity | 0.720 | 33675 |
| Wetland | 0.720 | 51020 |
| Fisheries | 0.709 | 22489 |
| waterfowl | 0.708 | 35170 |
| waterbirds | 0.707 | 98244 |
| shorebirds | 0.702 | 76854 |
| BirdLife | 0.701 | 74293 |
| Birding | 0.697 | 59225 |
| Bird | 0.695 | 10077 |
| IUCN | 0.692 | 46569 |
| Threatened | 0.691 | 64754 |
| USFWS | 0.690 | 85405 |
| white-tailed | 0.689 | 82756 |
| CITES | 0.686 | 63384 |
| Ecosystems | 0.685 | 73560 |