| in the nest | 5 | location |
| to herd them | 5 | purpose |
| at night | 2 | temporal |
| male → keep → egg | 10 |
| male → keep → the egg | 7 |
| male → stay with → egg | 5 |
| male → remain with → egg | 3 |
| male → maintain → egg | 3 |
| negative | neutral | positive |
| 0.068 | 0.809 | 0.122 |
| Raw frequency | 28 |
| Normalized frequency | 0.428 |
| Modifier score | 0.500 |
| Perplexity | 464.148 |