Trimeresurus flavoviridis

Protobothrops flavoviridis, also known commonly as the Okinawa habu is a species of pit viper, a venomous snake in the subfamily Crotalinae of the family Viperidae. The species is endemic to the Ryukyu Islands of Japan. No subspecies are recognized as being valid. Local common names include habu and Kume Shima habu. The term "habu" in Okinawa Prefecture can also refer to the Sakishima habu (Protobothrops elegans) alternately called the elegant pit viper.