A phenomenon, in the scientific context, is an observable event that can range from a seasonal hazard to a technological issue. For a scientist, a phenomenon is an observable event.
They eat other snakes, including venomous snakes. They have developed a hunting technique to avoid being bitten by clamping down on the jaws of the venomous prey, but even if bitten, they are immune to the venom. They also eat amphibians, turtle eggs, lizards, and small mammals, which they kill by constriction.