These Are The Most Dangerous Animals In Every State in America - Page 13 of 50

Illinois: Brown Recluse Spider

The brown recluse spider is a venomous spider commonly found in southern Illinois. Measuring only 2 centimeters, it packs a punch with powerful venom.

We humans put ourselves in danger by poking around in dark reclusive places like stairs and in storage areas, where these critters dwell.