horned lizard

Mexico is recognized globally as a mega-diversity country. The state of Sonora has very diverse fauna, fora, and vegetation. The diversity of horned lizards in the genus Phrynosoma (Phrynosomatidae) in the state of Sonora is a reflection of the landscape and biotic diversity. In this paper, we summarize the distribution and ecology of eight species of Phrynosoma in Sonora.