The tiny baby snakes raised at the Columbus Zoo are barely the size of a pencil, but they have a big job ahead of them: saving their species. Why it matters: The plains garter snake is one of Ohio’s most endangered reptiles. A breeding program at the zoo has helped prevent its local extinction in recent years. The pest-eating carnivores are an important part of keeping nature in balance. How it works: For about 20 years, the zoo has housed…
