| to attract mates | 6 | purpose |
| to lay claim | 5 | purpose |
| in other social relationships | 4 | location |
| bird → use → song | 16 |
| bird → use → their songs | 7 |
| bird → communicate through → song | 3 |
| negative | neutral | positive |
| 0.060 | 0.725 | 0.215 |
| Raw frequency | 26 |
| Normalized frequency | 0.389 |
| Modifier score | 0.800 |
| Perplexity | 489.582 |