Don't mess with me!

Photo by Ned Harris

As always, click photo for larger view. If you dare....
This male Desert Spiny Lizard (Sceloporus magister) is showing his true colors. The blue-green under the throat (and belly) is the sign of the male. Kingdom: Animalia (of course); Phylum: Chordata; Class: Sauropsida; Order: Squamata (scaled reptiles); Family: Phrynosomatidae.