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 ...

What Is a Uromastyx Lizard? Uromastyx is a genus of African and Asian lizards. They are commonly called spiny-tailed lizards or dab lizards. There are 13 different species of lizard under the ...

"They're not there," he said. "It seems like the species is now extinct." Yarrow's spiny lizards may be extinct in the Mule Mountains of Arizona after living there for 3 million years. / Credit: ...

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 ...

The blue spiny lizard (Sceloporus cyanogenys) is one variety of 10 species of spiny lizards that reside here in Texas, although it has a very limited range in this state. It can be observed in Texas ...