Garter snakes are small to medium sized snakes native to North and Central America. They are named after the female undergarment, the garter belt, due to their long yellow stripes running down their How to Tell a Garter from a Ribbon Snake Garter Snake Animal Facts Thamnophis A Z Animals Take a peek at garter snakes Garter snakes are small to medium sized snakes native to North and Central America. They are named after the female undergarment, the garter belt, due to their long yellow stripes running down their Wandering Gartersnake