Among over 30 species of rattlesnake, there is a wide variety of sizes. The smallest rattlesnake species is the western pygmy rattlesnake (Sistrurus miliarius), which only reaches about 18 inches in ...

A familiar rattlesnake slithered into a biologist’s campsite near a ghost town in Arizona. Turns out, the biologist moved the same rattlesnake out of the same camp four years earlier, the Arizona Game ...