43+ Small Black Brown Spider. These spiders are on the smaller side—about the size of a nickel—and have a round they're hairy and tend to be gray, black, or brown. As your photos show, these jumping spiders avidly observe humans.
Occasionally, spiders can be found well outside of their known range due to being intentionally or accidentally transported by humans in cars, luggage, and other belongings.
But depending on the spider and its victim, spider bites can cause anything from mild. 10 common house spiders and how to identify them, according to entomologists. The brown spider is small and inconspicuous with slightly darker brown markings on the cephalothorax. Black widows, named for their deadly courtship practices, are.