Figure 3. Graph indicating the contribution of each morphometric variable used in the Principal Component Analysis (PCA). Morphometric variables: snout-vent length (SVL); head length (HL); head width (HW); eye diameter (ED); upper eyelid width (UEW); interorbital distance (IOD); internarial distance (IND); tympanum diameter (TD); tibia length (TL); thigh length (THL); eye–nostril distance (END); nostril to tip of snout distance (NSD); foot length (FL); third finger disk diameter (FD3); fourth toe disk diameter (TD4); thorax length (TXL); arm width (AW); forearm width (FW); thigh width (TW); and gastrocnemius width (GW).