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Black Widow Spiders

Black widow spiders are color-coded to deter predators without tipping off prey

Secret codes and hidden messages aren't just for computer security experts or kids passing notes in class -- animals use them too. The telltale red hourglass of the black widow spider appears brighter and more contrasting to birds than to insects, finds a new study. The red-and-black color combination sends a 'beware!' signal to predators without scaring off their prey. Ref. Source 3w

Image from MorgueFile public domain.

Black Widow Spiders

More opinions appreciated on black widow spiders needs to be emphasized today to understand black widow spiders and seperate fact from fiction.