As a herpetologist (someone who studies reptiles and amphibians), I am often in the field making observations well beyond an hour that normal people consider to be acceptable. And it is during these ...

Add Yahoo as a preferred source to see more of our stories on Google. "They're not there," he said. "It seems like the species is now extinct." Yarrow's spiny lizards may be extinct in the Mule ...

Fifty years ago, the Fort Worth Nature Center & Refuge overflowed with prairie lizards. Today, the species can't be found there. Prairie lizards are retreating from Texas landscapes, apparently ...

Of all the reptiles and amphibians that have crossed John Karges’ path, nothing reminds the former herpetologist of home quite like the Texas spiny lizard. Growing up in Fort Worth, Karges, now a ...

As a herpetologist (someone who studies reptiles and amphibians), I am often in the field making observations well beyond an hour that normal people consider to be acceptable. And it is during these ...

Climate change is causing extinctions at an increasing rate, a new study by the University of Arizona researchers shows. They surveyed populations of the Yarrow's spiny lizard in 18 mountain ranges in ...

A genetically distinct population of Yarrow's spiny lizard in Arizona's Mule Mountains is facing local extinction due to climate change. Conservationists have petitioned to list the lizard as a ...

Once again, in the contest of being seen or remaining invisible, the desert spiny-lizard won. I searched but did not find it; the frustration is indescribable. After 27 years prowling around Colorado ...

Whenever I think about habitats where I might find lizards, the first places where I would begin my search would be on the ground and underneath rocks, leaf litter, and/or other surface debris.