Table 4. Variable correlation values for the two major principal component axes.
| Variable | Code | PC Axis 1 | PC Axis 2 |
| Carnivore | C | 0.239 | −0.7485 |
| High Browser | HH | −0.7404 | −0.01778 |
| Intermediate Browser | HI | −0.4834 | −0.183 |
| Low Browser | HL | −0.2177 | 0.4712 |
| Ground Forager | HG | 0.8879 | 0.4218 |
| Quadruped | TQ | −0.7707 | 0.3876 |
| Biped | TB | 0.864 | −0.467 |
| Facultative Biped | TF | −0.3563 | 0.07475 |
| Arboreal Biped | TA | 0.05912 | 0.2034 |
| Tiny | T | 0.3478 | −0.07956 |
| Very Small | VS | 0.7331 | 0.5727 |
| Small | S | 0.8023 | −0.545 |
| Medium | M | −0.4491 | −0.2363 |
| Large | L | −0.3843 | 0.4739 |
| Very Large | VL | −0.8327 | 0.06462 |