Arizona is home to 107 species of reptiles, according to the Arizona Game and Fish Department. These crawling, slithering creatures can be found all over the state, throughout the desert, in parks and ...

Arizona toad photo courtesy National Park Service. Photos are available for media use. “The Southwest is home to some of the nation’s most fascinating scaly and slimy creatures,” said Collette Adkins ...

In a study published in the September issue of The American Naturalist, A. Kristopher Lappin (Northern Arizona University) and Jerry F. Husak (Oklahoma State University) use the eastern collared ...

We investigate the roles of mitochondrial introgression and incomplete lineage sorting during the phylogenetic history of crotaphytid lizards. Our Bayesian phylogenetic estimate for Crotaphytidae is ...