Outdoor Hazards in Wisconsin: A Guide to Insects, Plants, and Wildlife

Published by UW-Madison, Division of Extension, this guide will help you recognize, avoid, and handle potential problems caused by wildlife, insects, or plants.


  • Amphibians (salamanders, toads)
  • Reptiles (turtles, snakes)
  • Birds (defending territory, handling birds)
  • Mammals (short-tailed shrews, bats, skunks, porcupines, coyotes, gray wolves, deer, black bears)
  • Stinging insects (bees and wasps)
  • Blood-feeding insects (mosquitoes, deerflies and horseflies, blackflies, biting midges, ticks, chiggers)

  • Plants that are poisonous when ingested (poison hemlock, spotted water hemlock, bittersweet nightshade, black nightshade, jimsonweed)
  • Plants that are poisonous on contact (poison ivy, poison sumac, wild parsnip, stinging nettle)
  • Plants that cause hay fever (common ragweed, giant ragweed)
  • Thorny, barbed plants (bull thistle, beggarticks, burdock, cocklebur, sandbur)
(Visited 4,240 times, 5 visits today)