Fig. 4 in Hybridization Between the Endangered Unisexual Gray-Checkered Whiptail Lizard (Aspidoscelis dixoni) and the Bisexual Western Whiptail Lizard (Aspidoscelis tigris) in Southwestern New Mexico

Fig. 4. Ventral views (black-and-white) of two of the same lizards shown in figure 3. Upper, hybrid (AMNH R-148141); lower, A. t. punctilinealis (AMNH R-148113). In A. dixoni C (no photograph of ventral view) there is no black on the abdomen or throat, although there may be a few small black dots on the chest.