| Typicality: | 0.499 |
| Saliency: | 0.432 |
| in spring | 6 | temporal |
| on time | 5 | temporal |
| south from their nesting grounds | 5 | location |
| bird → begin → their migration | 13 |
| bird → start → their migration | 7 |
| bird → begin → their annual migration | 4 |
| bird → begin → their migrations | 3 |
| bird → begin → its migration | 3 |
| bird → start → migration | 3 |
| negative | neutral | positive |
| 0.093 | 0.775 | 0.132 |
| Raw frequency | 33 |
| Normalized frequency | 0.432 |
| Modifier score | 0.700 |
| Perplexity | 198.975 |