br Please watch full video and have look how to catch dhaman.br br Caught big Huge Black rat snake by Young snake Rescuer @ Rutuja Park , pune, INDIAbr br Rat snakes are medium-to-large, nonvenomous snakes that kill by constriction. They pose no threat to humans. ... One species of rat snake is the corn snake, a docile animal and popular pet. As their name implies, rats are one of their favorite foods.