Sceloporus variabilis marmoratus
Hidalgo Co., Texas. February 24, 1995.
In the dry thornscrub forests along the Rio Grande in south Texas, Rosebellies are the most common lizard I encountered. I saw them on the ground for the most part, but I have also seen plenty on rocks and logs and on low tree branches as well.
HerpMapper records for this species are here.