From the San Juan River:

Welcome to kingsnake.com's message board system. Here you may share and discuss information with others about your favorite reptile and amphibian related topics such as care and feeding, caging requirements, permits and licenses, and more. Launched in 1997, the kingsnake.com message board system is one of the oldest and largest systems on the internet.
From the San Juan River:

From the San Juan River

the first one was a desert spiney lizard, and that one is a western whiptail.
Ohhh really?
It looks like a Bearded Dragon without the spiks fringe on the side of the body. But then again Mexican beardies don't have that, but they are dark black.
Good luck finding out.
Check link
Desert Spiney
Help, tips & resources quick links
Manage your user and advertising accounts
Advertising and services purchase quick links