Science Zebras may have stripes because horseflies hate them

Zebras are best known for their dramatic stripes, but why they evolved remains uncertain. One popular notion is that stripes make it difficult for predators to single out an individual zebra from the herd, but experimental evidence for this or other ideas has been lacking.

By , LiveScience Contributor

Chris O'Meara/AP/File

Zebra stripes may deter bloodsucking insects, perhaps helping explain why zebras evolved their stripes, researchers say.