Results of a factor analysis (varimax rotation) performed on the kinematic data before transection to explore modulation of prey transport kinematics in function of food type
| . | Component . | . | . | . | |||
|---|---|---|---|---|---|---|---|
| . | 1 (31.25%) . | 2 (27.29%) . | 3 (17.34%) . | 4 (15.55%) . | |||
| Prey transport duration (s) | 0.930 | –0.068 | –0.084 | 0.311 | |||
| Duration of the slow open phase (s) | 0.649 | –0.146 | –0.638 | 0.211 | |||
| Duration of the fast open phase (s) | 0.032 | 0.041 | 0.972 | 0.078 | |||
| Duration of the fast close phase (s) | 0.091 | 0.104 | 0.016 | 0.977 | |||
| Duration of the slow close phase (s) | 0.938 | 0.101 | 0.022 | –0.158 | |||
| Gape distance (mm) | 0.560 | 0.705 | 0.158 | 0.326 | |||
| Jaw opening velocity (mm s–1) | 0.022 | 0.907 | 0.030 | 0.090 | |||
| Jaw closing velocity (mm s–1) | –0.111 | 0.902 | 0.039 | –0.044 | |||
| Eigenvalues | 2.50 | 2.18 | 1.16 | 0.99 | |||
| . | Component . | . | . | . | |||
|---|---|---|---|---|---|---|---|
| . | 1 (31.25%) . | 2 (27.29%) . | 3 (17.34%) . | 4 (15.55%) . | |||
| Prey transport duration (s) | 0.930 | –0.068 | –0.084 | 0.311 | |||
| Duration of the slow open phase (s) | 0.649 | –0.146 | –0.638 | 0.211 | |||
| Duration of the fast open phase (s) | 0.032 | 0.041 | 0.972 | 0.078 | |||
| Duration of the fast close phase (s) | 0.091 | 0.104 | 0.016 | 0.977 | |||
| Duration of the slow close phase (s) | 0.938 | 0.101 | 0.022 | –0.158 | |||
| Gape distance (mm) | 0.560 | 0.705 | 0.158 | 0.326 | |||
| Jaw opening velocity (mm s–1) | 0.022 | 0.907 | 0.030 | 0.090 | |||
| Jaw closing velocity (mm s–1) | –0.111 | 0.902 | 0.039 | –0.044 | |||
| Eigenvalues | 2.50 | 2.18 | 1.16 | 0.99 | |||
Four factors were retained in the analysis that jointly explained 91.43% of the variation in prey transport kinematics
Factor loadings greater than 0.7 are indicated in bold. The proportion of variation explained is given in parentheses and eigenvalues are listed below the respective factor scores