With its cryptic coloration and flat body, the flat-tailed horned lizard is capable of disappearing on the desert floor. When a predator threatens, the lizard may run a short distance and then stop ...

Surviving almost entirely on algae, these lizards, some of which grow longer than four feet, evolved flat tails for swimming and glands that filter and remove excess salt (which they expel through ...

With its cryptic coloration and flat body, the flat-tailed horned lizard is capable of disappearing on the desert floor. When a predator threatens, the lizard may run a short distance and then stop ...