Table 1 Descriptive values (mean ± SD) for Vinous-throated and Ashy-throated parrotbills obtained in this study
From: Comparison of head size and bite force in two sister species of parrotbills
Vinous-throated Parrotbill | Ashy-throated Parrotbill | |||
|---|---|---|---|---|
Guizhou | Jiangxi | Hebei | Guizhou | |
Head size (cm3) | 2.06 ± 0.19 | 1.65 ± 0.22 | 1.62 ± 0.12 | 1.57 ± 0.15 |
Maximal bite force (N) | 9.49 ± 2.91 | 11.94 ± 3.53 | 14.24 ± 4.80 | 9.58 ± 3.36 |
Body mass (g) | 9.45 ± 0.70 | 8.86 ± 0.54 | 9.07 ± 0.68 | 8.94 ± 0.71 |
Bill size (mm2, grasp index) | 50.37 ± 3.98 | 43.79 ± 5.34 | 43.03 ± 4.75 | 43.03 ± 4.75 |
Sample size | 25 | 24 | 21 | 24 |