Claudio Contreras / Texas horned lizard (Phrynosoma cornutum) portrait, Laredo Borderlands, Texas, USA. April

Cyril Ruoso / Texas horned lizard (Phrynosoma cornutum) South Texas, USA, April.

Claudio Contreras / Texas horned lizard (Phrynosoma cornutum) portrait, Laredo Borderlands, Texas, USA. April

Claudio Contreras / Texas horned lizard (Phrynosoma cornutum) and Dogweed (Dyssodia) flower, Laredo Borderlands, Texas, USA. April

MYN / Karine Aigner / Texas Horned lizard (Phrynosoma cornutum) Texas, USA, April. Meetyourneighbours.net project.

Cyril Ruoso / Texas Horned Lizard (Phrynosoma cornutum), southern Texas

Cyril Ruoso / Texas Horned Lizard (Phrynosoma cornutum) in alert posture, southern Texas

Cyril Ruoso / Texas Horned Lizard (Phrynosoma cornutum) in grass, southern Texas

Daniel Heuclin / Texas horned Lizard (Phrynosoma cornutum) in defensive posture, near Alamogordo. New-Mexico

Daniel Heuclin / Texas horned Lizard (Phrynosoma cornutum) portrait, near Alamogordo, New Mexico, USA

Daniel Heuclin / Texas horned Lizard (Phrynosoma cornutum) portrait, near Portal, Arizona, USA, April

Daniel Heuclin / Texas horned Lizard, (Phrynosoma cornutum) close up of skin, near Alamogordo, New-Mexico, June