Black widows are notorious spiders identified by the colored, hourglass-shaped mark on their ... The animals most at risk from the black widow's bite are insects—and male black widow spiders.

Black widows’ red hourglass tells birds to back off but is ... Nicholas Brandley didn’t think so, and embraced the study of black widow spiders. “Their fangs don’t even usually pierce ...

One of the more intriguing additions, though, is the red hourglass symbol on her chest. Black Widow sporting her logo grants ...