| Typicality: | 0.410 |
| Saliency: | 0.409 |
| particularly | 6 | degree |
| compared to other duck species | 3 | other |
| during the summer | 3 | temporal |
| bird → be susceptible to → disease | 10 |
| bird → be prone to → disease | 6 |
| bird → be susceptible to → the disease | 6 |
| bird → be prone to → illness | 4 |
| bird → be susceptible to → this disease | 3 |
| negative | neutral | positive |
| 0.748 | 0.194 | 0.057 |
| Raw frequency | 29 |
| Normalized frequency | 0.409 |
| Modifier score | 0.725 |
| Perplexity | 76.433 |