Finally, the black widow spider is found around the world ... but redback spiders have red stripes on their back, while black ...

Hour 1: The thighs, back, and shoulders are usually ... than a rattlesnake — the black widow spider. What happens when it bites? All black with a red hourglass, just bigger than a paperclip.

This spider's bite is much feared because its venom ... The animals most at risk from the black widow's bite are insects—and male black widow spiders. Females sometimes kill and eat their ...