| 01 | keystone species | 100.0 |
| 02 | sea otters | 66.5 |
| 03 | Gray wolves | 63.1 |
| 04 | Beavers | 37.7 |
| 05 | bees | 37.7 |
| 06 | Elephants | 36.0 |
| 07 | Corals | 35.2 |
| 08 | mangroves | 33.8 |
| 09 | Foundation Species | 33.0 |
| 10 | ochre sea star (Pisaster ochraceus) | 28.9 |
| 11 | nature.com | 26.9 |
| 12 | Kelp | 26.3 |
| 13 | Earthworms | 22.0 |
| 14 | pollinators | 21.7 |
| 15 | saguaro cactus | 19.8 |
| 16 | hummingbirds | 19.5 |
| 17 | National Geographic | 18.3 |
| 18 | Robert T. Paine | 17.8 |
| 19 | oaks | 15.4 |
| 20 | prairie grasses | 15.0 |
| 21 | Primary producers | 14.7 |
| 22 | phytoplankton | 14.4 |
| 23 | plants | 14.2 |
| 24 | algae | 14.0 |
| 25 | seed dispersers | 13.6 |
| 26 | Ecosystem Engineers | 13.5 |
| 27 | Butterflies | 13.3 |
| 28 | bats | 13.2 |
| 29 | birds | 13.0 |
| 30 | fruit-eating mammals | 12.9 |