Eastern fence lizard Sceloporus undulatus Location: Chaco Canyon National Monument, NM Year: 1995 Merckslides catalogue number: 04-14976 Comments: Liz Hinton and I saw this critter.

Eastern fence lizard Sceloporus undulatus Location: Sunset Crater National Monument, near Flagstaff, AZ Year: 2007 Merckslides catalogue number: 04-23869 Comments: A local, lava-flow adapted dark morph. Note that the eruption that created the flow occurred in 1065, so this color change represents only 1000 years of evolution.

Eastern fence lizard Sceloporus undulatus (female) Location: Timber Ridge Camp, near High View, WV Year: 2008 Merckdigitals catalogue number: 04-50665 Comments:

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