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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)    
  1. N = sample size. IRI values were multiplied by 100 to facilitate the reading of the table