Table 2 Morphology, bite force, and the index of relative importance (IRI) of each dietary item found in the three habitat groups
From: The relationship between bite force, morphology, and diet in southern African agamids
Ground | Rock | Arboreal | |||||||
|---|---|---|---|---|---|---|---|---|---|
Females | Males | Juveniles | Females | Males | Juveniles | Females | Males | Juveniles | |
Morphology | |||||||||
N | 6 | 8 | 7 | 26 | 34 | 27 | 19 | 9 | 11 |
SVL (mm) | 87.13 (9.85) | 85.00 (11.17) | 32.82 (4.16) | 79.99 (5.85) | 86.17 (10.84) | 42.85 (10.56) | 114.09 (8.89) | 126.67 (7.93) | 63.16 (24.71) |
Head length (mm) | 20.24 (2.32) | 19.77 (1.62) | 10.05 (1.01) | 19.46 (1.64) | 20.98 (3.30) | 11.90 (2.21) | 26.17 (1.79) | 29.26 (2.03) | 16.12 (4.41) |
Head width (mm) | 17.70 (1.05) | 17.87 (1.41) | 9.07 (1.01) | 16.19 (1.85) | 17.41 (2.26) | 10.65 (1.85) | 21.93 (1.19) | 25.71 (1.40) | 13.90 (4.30) |
Head height (mm) | 11.65 (0.76) | 11.38 (1.39) | 6.07 (0.61) | 9.82 (1.38) | 10.26 (1.52) | 6.80 (0.84) | 15.52 (0.86) | 18.34 (1.65) | 9.56 (2.67) |
Lower jaw length (mm) | 22.43 (2.79) | 22.05 (4.23) | 8.61 (0.99) | 19.74 (1.99) | 21.89 (3.50) | 11.29 (3.41) | 24.47 (1.73) | 28.13 (2.05) | 15.06 (4.28) |
Jaw out-lever (mm) | 19.38 (1.90) | 19.25 (2.78) | 8.09 (0.94) | 17.60 (1.31) | 19.35 (2.79) | 10.08 (2.58) | 22.67 (1.34) | 26.27 (2.10) | 13.68 (4.51) |
Snout Length (mm) | 14.92 (2.57) | 14.40 (3.76) | 5.09 (0.73) | 13.74 (2.29) | 15.53 (2.69) | 6.97 (2.76) | 13.13 (1.01) | 14.69 (1.37) | 7.98 (2.07) |
In-lever for jaw opening (mm) | 3.06 (1.20) | 2.80 (1.51) | 0.53 (0.25) | 2.14 (1.31) | 2.54 (1.52) | 1.21 (1.02) | 1.79 (0.73) | 1.86 (0.46) | 1.38 (0.85) |
In lever for jaw closing (mm) | 4.46 (1.15) | 4.85 (1.60) | 3.00 (0.51) | 3.86 (1.92) | 3.82 (1.33) | 3.11 (0.50) | 9.54 (1.31) | 11.58 (1.57) | 5.71 (2.51) |
Performance | |||||||||
Bite force (N) | 16.11 (3.77) | 16.08 (6.25) | 1.20 (0.83) | 17.77 (8.08) | 23.05 (10.19) | 4.28 (5.03) | 33.83 (7.65) | 79.42 (17.09) | 10.66 (10.86) |
Diet (IRI) | |||||||||
N | 2 | 6 | 10 | 9 | 19 | 10 | 5 | 6 | |
Ant | 92.51 (47.48) | 154.77 (27.89) | 57.98 (49.97) | 69.47 (21.92) | 92.59 (29.79) | 39.13 (40.07) | 55.46 (18.07) | 103.33 (32.58) | |
Hymenoptera | 0.12 (0.089) | 0.013 (0.032) | 2.35 (7.28) | 1.25 (1.28) | 0.26 (0.34) | 0.25 (0.45) | 0.33 (0.74) | 0.23 (0.25) | |
Coleoptera | 2.82 (1.47) | 0.21 (0.47) | 7.61 (14.10) | 1.76 (1.38) | 1.18 (1.61) | 0.42 (1.24) | 0.46 (1.02) | 0.17 (0.11) | |
Hemiptera | 0.037 (0.090) | 1.58 (4.85) | 0.049 (0.094) | 0.077 (0.12) | 0.0018 (0.0044) | ||||
Diptera | 0.020 (0.050) | 0.036 (0.10) | 0.030 (0.049) | 0.016 (0.036) | 0.0044 (0.0087) | ||||
Diplopoda | 0.0014 (0.0035) | 0.041 (0.12) | 0.013 (0.033) | ||||||
Lepidoptera (larvae) | 0.77 (2.43) | 0.0047 (0.014) | 0.0002 (0.0009) | 0.0087 (0.021) | |||||
Orthoptera | 0.03 (0.10) | 0.0019 (0.0057) | 0.026 (0.065) | ||||||
Snail | 0.0005 (0.012) | ||||||||
Ephemoptera | 0.0005 (0.0013) | ||||||||
Isoptera | 1.70 (5.37) | ||||||||
Isopoda | 0.0002 (0.001) | ||||||||