Flat-tailed horned lizards (Phrynosoma mcallii): Population size estimation, effects of off-highway vehicles, and natural history

Considerable conservation concern and controversy has developed over the status and management of the flat-tailed horned lizard (Phrynosoma mcallii), a rare, difficult-to-detect species with a limited distribution. Monitoring the abundance of this species, as well as investigating factors that may be affecting demographic parameters, has proven problematic. A current conservation concern is the increasing use […]