Table 1 Eigen values, explained variances and loadings of the behavioural measures on the two factors of the PCA
From: Function of note strings in Japanese Tit alarm calls to the Common Cuckoo: a playback experiment
| Â | PC1 | PC2 |
|---|---|---|
Eigenvalue | 4.18 | 1.01 |
Variance (%) | 60 | 14 |
Male response or not | 0.91 | −0.24 |
Response latency | −0.93 | 0.16 |
Response length | 0.91 | −0.08 |
2-Min parallel watching | 0.60 | 0.66 |
5-Min parallel watching | 0.62 | 0.61 |
Response by song | 0.72 | −0.23 |
Response by alarm call | 0.62 | −0.26 |