smooth snake

US /ˈsmuːθ sneɪk/
UK /ˈsmuːθ sneɪk/
"smooth snake" picture
1.

a non-venomous snake (Coronella austriaca) found in Europe, known for its smooth scales and secretive nature

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The smooth snake is a protected species in many European countries.
Identifying a smooth snake can be challenging due to its camouflage.