Silent Predators

Silent Predators is a 1999 American television film directed by Noel Nosseck and starring Harry Hamlin and Shannon Sturges.
Premise.
The small southern California town of San Vicente has to deal with a rattlesnake invasion.
Production.
This was based on a script John Carpenter wrote in the 1970s when he did it as a gun for hire. The movie was mostly filmed on Queensland, Australia and Los Angeles.