In Nature: Female garter snakes (Thamnophis) have all the luck with the gentlemen. When a female garter snake is ready to mate, she announces it by producing chemicals called pheromones.

According to garter snake guru Jonathan Crowe at gartersnake.info, males have longer and thicker tails than females. Female tails are narrower, shorter and taper more sharply.

Garter snakes do not constrict their prey as do other snake species. They simply grab the prey with their mouth and work it into their throat. They will eat earthworms, insects, frogs, salamanders, ...

According to the Pennsylvania Fish and Boat Commission, a female garter snake often gives birth to a large quantity of baby snakes somewhere from late June through early August. The adult snake ...

The red-sided garter snake has reddish bands, as well. When cornered, a garter snake will often flatten its head and strike at an intruder (although its bite is completely non-venomous).

After mating with a few of them, the female heads off to find a new den and within a couple of months, gives birth. Garter snakes are viviparous, meaning they give birth to live offspring.

Horne said she also would like to study parthenogenesis in garter snakes. While all copperhead offspring produced through parthenogenesis are female, garter snake clones seem to be male.

Female red-sided garter snakes, Thamnophis sirtalis parietalis, become unattractive to most males after mating in the field and in the laboratory. Male red-sided garter snakes vary in their latencies ...