Table 2. Tracheal and air sac volume (Vair) of Scarabaeus sacer and S. cicatricosus.
Scarabaeus sacer | Scarabaeus cicatricosus | P | |
Vair (ml) | 1.44±0.37 | 0.14±0.05 | <0.01 |
VT (ml) | 11.53±3.43 | 5.56±0.76 | <0.01 |
%Vair vs. VT | 11.66±2.75 | 2.79±1.46 | <0.01 |
N | 11 | 17 |
Total body volume (VT) was measured using the function proposed by Radtke and Williamson (2005) based on total body mass.