Table 3. Loadings for Principal Components Axes 1–3.
| Kinematic Variable | PC 1 | PC 2 | PC 3 |
| Max. Gape (cm) | 0.87150 | −0.26014 | 0.21490 |
| Time to Max. Gape (s) | 0.74441 | 0.45444 | −0.17919 |
| Maximum Gape Angle (o) | 0.89261 | −0.26282 | 0.25726 |
| Time to Max. Gape Angle (s) | 0.73908 | 0.44899 | −0.17911 |
| Max. GAOV (deg. s−1) | 0.82027 | −0.31931 | −0.27337 |
| Time to Max. GAOV (s) | 0.38675 | 0.64345 | −0.17341 |
| Max. GACV (deg. s−1) | 0.82532 | −0.34010 | 0.21580 |
| Time to GACV (s) | 0.75757 | 0.27698 | −0.20563 |
| Max. Gular Depression (cm) | −0.24685 | 0.53656 | 0.70944 |
| Time to Max. Gular Depression (s) | −0.36336 | 0.66035 | 0.37378 |
| Feeding Cycle Duration (s) | 0.75588 | 0.32745 | −0.11137 |
Log10 transformed data, N = 5, 91 feeding events, GAOV = Gape Open Angle Velocity, GACV = Gape Angle Close Velocity.