| eat plant | 0.61 |
| bury their heads | 0.52 |
| fly | 0.51 |
| lay egg | 0.50 |
| use their wings | 0.43 |
| eat insect | 0.42 |
| go without water | 0.42 |
| run | 0.42 |
| lie low | 0.40 |
| stick their heads | 0.38 |
| More » |
| only two toes | 0.52 |
| wing | 0.45 |
| long neck | 0.38 |
| powerful legs | 0.35 |
| leg | 0.29 |
| hearing | 0.20 |
| good eyesight | 0.20 |
| the largest bird | 0.59 |
| bird | 0.55 |
| flightless bird | 0.52 |
| large flightless bird | 0.50 |
| the heaviest of all bir… | 0.38 |
| large bird | 0.37 |
| the fastest animal | 0.33 |
| unique bird | 0.16 |
| native to africa | 0.56 |
| raised for meat | 0.45 |
| raised for feather | 0.37 |
| confronted with danger | 0.32 |
| mentioned in the bible | 0.25 |
| exploited by human | 0.25 |
| hunted to extinction | 0.16 |
| hunted | 0.14 |