Some people have an extreme alergic sensitivity to it while others may be barely affected. If you know that you have come into contact with poison oak, the recommended treatment is to wash any affected skin as soon as possible with soap and cold water. In certain areas it can grow low and close to the ground within the grass and so get onto your ankles if you are not protected. Stinging Nettle Resembing a thistle, this will leave tiny stinging cells, similar to those on a stinging jellyfish, imbedded in your skin. Animal Holes Burrowing animals often dig hazardous holes in roads and trails.
Dangerous Wildlife Rattlesnakes.
Avoid disturbing the local pit viper, the DiamondBack Rattlesnake. These are generally docile and nonagressive, being most interested in killing animals that are small enough to eat whole, such as mice, voles, and ground squirels, and then only when they are hungry. The don't like surprises and that is when you might get bit. This is the best way to see wildlife anyway. The most dangerous rattlesnake is a young one, for they have not yet learned to conserve their venom.