| cameroon | 0.68 |
| central west african co… | 0.55 |
| gabon | 0.55 |
| eastern lowland gorillas | 0.44 |
| angola | 0.25 |
| sign language | 0.48 |
| occur in lowland forest | 0.44 |
| arrive at the zoo | 0.16 |
| attract thousands of vi… | 0.16 |
| the most widespread | 0.25 |
| born at the san francis… | 0.25 |
| endangered | 0.24 |