This is a real Trimeresurus albolabris Pit Viper Skull! Measuring ~1" long
Trimeresurus albolabris, the white-lipped pit viper or white-lipped tree viper, is a venomous pit viper species endemic to Southeast Asia.
Trimeresurus albolabris isn't deadly. It has hinged fangs and mild cytotoxic venom (cell destroying) which can cause tissue damage around the area which has been bitten. ... White Lipped Tree Vipers prefer to eat at night as they are nocturnal but it's not vital and usually these snakes will feed during the day.