In order evaluate species boundaries and infer phylogeographic patterns in salamanders of the Plethodon ouachitae complex, Don Shepard, Kelly Irwin and I conducted some pretty intense field work in the Ouachita Mountains of Arkansas and neighboring Oklahoma in April 2005. Here are some of the highlights.

Juvenile Agksitrodon contortrix from Eagle Pass

Ambystoma annulatum from the Kiamichi Mountains

Carphophis vermis from the Caddo Mountains

Coluber constrictor from Winding Stair Mountain

Diadophis punctatus from Winding Stair Mountain

Eumeces fasciatus from Winding Stair

Lampropeltis triangulum from the Caddo Mountains

Lampropeltis triangulum from the Kiamichi Mountains

Sceloporus undulatus from Winding Stair

Plethodon caddoensis from Crooked Creek

Plethodon fourchensis from Foran Gap

Plethodon ouachitae from Rich Mountain

Plethodon ouachitae from Round Mountain

Plethodon serratus from Rich Mountain
Juvenile P. ouchitae