Cyril Ruoso / Variegated toadhead agama (Phrynocephalus versicolor) basking. Great Gobi B Strictly Protected Area, Mongolia. August.

Inaki Relanzon / Variegated toadhead agama (Phrynocephalus versicolor) Khongor Sand Dune, Govi Gurvan Saikhan National park, Gobi desert, South Mongolia.

Pete Oxford / Toad-headed Agama (Phrynocephalus sp), Gobi Desert, Mongolia

Konstantin Mikhailov / Toad headed agama {Phrynocephalus versicolor} Gobi Desert, Mongolia

Joel Sartore / Photo Ark / Arabian toad-headed agama (Phrynocephalus arabicus) head portrait, Arabia's Wildlife Centre, Sharjah, UAE. Captive.