| eat fruit | 0.61 |
| build nest | 0.60 |
| use tool | 0.60 |
| mean person of the fore… | 0.58 |
| forage for food | 0.56 |
| go through intensive re… | 0.55 |
| spend most of their time | 0.52 |
| use hand | 0.50 |
| spend less time | 0.48 |
| bent hook | 0.45 |
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| opposable thumbs | 0.29 |
| long arms | 0.29 |
| culture | 0.25 |
| the longest childhood d… | 0.25 |
| great apes | 0.52 |
| the largest arboreal an… | 0.34 |
| two species of great ap… | 0.25 |
| released | 0.79 |
| rescued | 0.76 |
| endangered | 0.75 |
| free to roam | 0.61 |
| fed | 0.59 |
| captured | 0.53 |
| injured | 0.52 |
| treated | 0.52 |
| kept as pet | 0.49 |
| classified in the genus | 0.48 |
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