Listed as endangered since 1967, San Francisco garter snakes are found only on the Peninsula and in northern Santa Cruz ...

Snakes are legless, slithering reptiles that can be found worldwide, except in Antarctica. There are more than 2,900 species of snakes, with 140 species known in the United States. One species ...

Thanks to a friend who's more observant than me, a few years back I discovered a new species of reptile in my own backyard. It was a plains garter snake, known by scientists as Thamnophis radix. I ...