| give birth to live young | 0.70 |
| trade as exotic pets | 0.67 |
| produce milk | 0.65 |
| spot hyena | 0.64 |
| give birth | 0.58 |
| breathe air | 0.58 |
| nurse young | 0.55 |
| live on land | 0.55 |
| eat the fruit | 0.51 |
| become extinct | 0.50 |
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| hair | 0.79 |
| fur | 0.73 |
| endocannabinoid compoun… | 0.70 |
| tooth | 0.58 |
| mammary glands | 0.57 |
| seven cervical vertebrae | 0.52 |
| heart | 0.51 |
| lung | 0.49 |
| tail | 0.48 |
| four-chambered heart | 0.47 |
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| warm-blooded | 0.76 |
| small | 0.66 |
| endothermic | 0.61 |
| nocturnal | 0.59 |
| active | 0.54 |
| common | 0.46 |
| dichromatic | 0.44 |
| rare | 0.41 |
| homeothermic | 0.38 |
| viviparous | 0.38 |
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| animal | 0.63 |
| vertebrate | 0.62 |
| amniote | 0.28 |
| listed on the iucn redl… | 0.64 |
| recorded | 0.56 |
| covered with hair | 0.54 |
| known in australia | 0.49 |
| cloned | 0.47 |
| studied | 0.47 |
| sighted | 0.42 |
| made | 0.41 |
| difficult to spot | 0.39 |
| described | 0.39 |
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| each other | 0.41 |