Big Backyard Snakes: Nonvenomous Rodent Helpers in Your Garden

Black rat snakes can reach up to nine feet, are non-venomous constrictors, and are beneficial garden predators that help control rodent populations. They may hiss or coil to mimic rattlesnakes when threatened, but pose little risk to people or pets; bites are rare and typically minor if they occur. Size and growth vary with food availability and climate, making a healthy yard a good habitat for these snakes, which can reduce pest problems without human intervention.