It can occur between species that are predator and prey ... which is food for the garter snake. Over time, some genetic variants of the snake that are resistant to the toxin have emerged ...

and predation — whether by native or introduced predators — can be the coup de grace for those rare animals,” he says. In the case of the garter snake and the wood frog, the snake kept ...

Unlike garter snakes that frequent backyard gardens across the country, these garters are very rare. In fact scientists haven't been find any in most places they once thrived. Remaining populations ...