| in their beaks | 9 | location |
| unlike eagles | 4 | other |
| from the same period as archæopteryx | 3 | temporal |
| bird → have → tooth | 55 |
| bird → use → tooth | 4 |
| negative | neutral | positive |
| 0.330 | 0.591 | 0.080 |
| Raw frequency | 59 |
| Normalized frequency | 0.537 |
| Modifier score | 0.393 |
| Perplexity | 95.547 |