Robert Humair Fig. 2.
Robert Humair Fig. 2. Juvenile South American Yellow-footed Tortoise, Chelonoidis denticulata, in dorsal view. Fig. 3. Juvenile Chelonoidis denticulata in ventral view. 22 RADIATA 22 (4), 2013
South American Yellow-footed Tortoise, Chelonoidis denticulata Number of survey Number of females examined (n = 89) Ratio carapace width : carapace length Ratio shell height : carapace length Ratio waist circumference : carapace length 1 15 - 0.457 - 2 8 0.899 - - 3 3 0.809 - - 4 14 0.926 - - 5 30 0.984 - - 6 19 - - 1.787 Total average 0.947 0.457 1.787 Tab. 2. Dimensional ratios in the 89 females examined. Number of survey Number of males examined (n = 91) Average weight (kg) Average carapace length (mm) Average carapace width (mm) Average plastron length (mm) Average plastron width (mm) Average shell height (mm) Circumference of shell in the posterior part of the shell (mm) Circumference of the shell at the level of the waist (mm) 1 19 - 370.3 - 337.2 224.3 131.1 - - 2 2 4.20 396.5 331.5 284.0 213.5 - - - 3 1 4.50 387.0 338.0 275.0 217.0 - - - 4 14 - 463.3 391.5 331.0 240.6 - - - 5 34 5.69 444.0 384.4 316.8 210.2 - - - 6 21 5.69 361.7 - - - - 430.7 582.5 Total average 588 410.9 383.7 330.1 229.8 131.1 430.7 582.5 Tab. 3. Overview of average dimensions and weights of all males examined; weights are rounded to two decimal places. Male Number of males examined (n = 91) Ratio carapace width : carapace length Ratio shell height : carapace length Ratio waist circumference : carapace length 1 19 - 0.354 - 2 2 0.836 - - 3 1 0.873 - - 4 14 0.845 - - 5 34 0.866 - - 6 21 - - 1.610 Total average 0.859 0.354 1.610 Tab. 4. Dimensional ratios in the 91 males examined. RADIATA 22 (4), 2013 23
