A rogue squirrel has residents of California’s San Francisco Bay area on edge. The vicious little beast has recently attacked at least five people, sending two of them to the hospital.

Flyers have been posted warning of a “very mean squirrel” that “comes out of nowhere” in the Lucas Valley neighborhood of San Rafael, California.

That’s not an isolated incident, Wyoming biologists told Cowboy State Daily, adding that even though they seem cute, the rodents can be meaner than people realize.

Attacking Limbs

Joan Heblack of San Rafael, California, learned that the hard way last week when a squirrel attacked her while out on a daily walk around her neighborhood.

The critter ran up her leg and sank its teeth into her thigh, Heblack told Cowboy State Daily on Friday.

“He wouldn’t get off,

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