Estimating density is a fundamental objective of many animal population studies. Application
of methods for estimating population size from ostensibly closed populations is widespread …

We report the results of standardized surveys to determine the effects of wildfires on desert
tortoises (Gopherus agassizii) and their habitats in the northeastern Mojave Desert and …

Une étude morphologique du squelette postcrânien de Procolophon trigoniceps du Trias
inférieur de l'Afrique du Sud et de l'Antarctique est entreprise. Procolophon partage une …

Sixty-nine telemetered Phrynosoma mcallii from the Colorado Desert in California were
relocated for up to nine months to examine activity patterns, home-range sizes and overlap …

This report contains a summary of ongoing work on the behavioral, physiological, and
ecological effects of roads and vehicles on amphibians and reptiles (herpetofauna). Roads …

Members of the genus Phrynosoma all exhibit asperities upon the parietal and squamosal.
We examined μ‐CT scans of the dermatocrania of ontogenetic series of all but two of the …

Although effects of temperature on sprint performances of lizards are well documented,
influences of slope are much less well known, and few studies have examined comparable …

Abstract Colorado Division of Wildlife currently considers the Texas horned lizard a species
of special concern. From May 1995 to October 1997, Texas horned lizards were captured or …

All species of the genus Phrynosoma are cryptically colored and patterned, but two species
have bold black or white vertebral-line patterns on their dorsal surfaces. Phrynosoma mcallii …

Blainville's Horned Lizard (Phrynosoma blainvillii) is in decline throughout much of its range
including the San Joaquin Desert of California, USA, which has undergone significant …