| eat up to 1,000 mice | 0.59 |
| catch their prey | 0.25 |
| exhibit pop-out | 0.25 |
| use abandoned buildings | 0.16 |
| leave barn | 0.16 |
| shed for bird | 0.16 |
| give great place | 0.16 |
| heart-shaped face | 0.68 |
| long legs | 0.56 |
| excellent night vision | 0.16 |
| nocturnal | 0.68 |
| monogamous | 0.52 |
| common | 0.43 |
| widespread | 0.25 |
| effective | 0.16 |
| bred in captivity | 0.25 |
| found on every continent | 0.25 |