SEARCH Articles Figures Tables Snake Garter, Thamnophis Snakes Thamnophis sirtalis Thamnophis butleri Thamnophis elegans Thamnophis marcianus Thamnophis melanogaster Thamnophis proximus Thamnophis radix Thamnophis radix complex Thamnophis sirtalis Thamnophis sirtalis parietalis Thamnophis sirtalis tongue-flicking patterns Thamnophis spp.