deer

One of the most important driving safety tips is to never swerve if an animal jumps in front of your car. Dog, cat, deer, raccoon -- don't swerve. Although it's an extremely natural instinct, it's also potentially deadly. If you swerve, you could hit a tree or an oncoming vehicle. But there's one exception to this general rule.
Chronic wasting disease, which is a condition nearly identical to mad cow disease, has been detected in deer all across the United States.