Litter of Thamnophis scaliger from Toluca, Mexico. Steven Bol Garter Snakes Posted on July 4, 2017 by AdministratorMarch 8, 2018 On June 4th 2017 I had one litter of Thamnophis scaliger from Toluca, Mexico.These awesome specimens have a pattern very much resembling Thamnophis scalaris.They are about 1 month old, feeding well on worms, pinkieparts and pieces of smelt.