Garter snakes and many vipers develop eggs inside their bodies. The eggs hatch internally, and the mother gives birth to "live" young that were never physically attached to her. Seasonal Hazards and Human Interaction
In species like copperheads and rattlesnakes, males engage in "combat dances." They intertwine their bodies and attempt to push each other to the ground. This is a test of strength, not a fight to the death; the winner gains the right to mate with nearby females. Mating Balls snake breeding season