Table 3 Mean measurements and standard deviation (SD) values of the red fox and domestic dog skull indices
Skull index | Animal | Mean | SD | Min | Max | Sig |
|---|---|---|---|---|---|---|
Skull index (SI) | Fox | 52.72 | 2.69 | 49.62 | 57.64 | 0.397 |
Dog | 51.77 | 0.95 | 50.69 | 53.47 | ||
Length–width index (WI) | Fox | 1.90 | 0.93 | 1.74 | 2.02 | 0.397 |
Dog | 1.93 | 0.35 | 1.87 | 1.97 | ||
Cranial index (CI) | Fox | 57.16 | 3.08 | 50.79 | 59.75 | 0.054 |
Dog | 53.57 | 3.75 | 49.88 | 58.55 | ||
Foramen magnum index (FMI) | Fox | 69.88 | 2.47 | 66.45 | 73.29 | 0.030* |
Dog | 78.70 | 8.44 | 63.00 | 91.58 | ||
Facial index (FI) | Fox | 112.86 | 3.51 | 110.44 | 120.52 | 0.072 |
Dog | 108.30 | 5.24 | 102.23 | 117.94 | ||
Nasal index (NI) | Fox | 156.02 | 12.48 | 146.33 | 186.42 | 0.021* |
Dog | 144.68 | 9.94 | 131.32 | 163.84 | ||
Palatal index (PI) | Fox | 54.56 | 2.19 | 51.05 | 57.91 | 0.000* |
Dog | 65.02 | 2.62 | 60.99 | 69.14 | ||
Palato-basal index (BR) | Fox | 57.19 | 0.76 | 56.46 | 58.11 | 0.154 |
Dog | 56.33 | 1.12 | 55.35 | 58.43 |