Cows painted like zebras can fend off fly bites.

Experimental and comparative studies suggest that the striped coats of zebras can prevent biting fly attacks. Biting flies are serious pests of livestock that cause economic losses in animal production. We hypothesized that cows painted with black and white stripes on their body could avoid biting fly attacks and show fewer fly-repelling behaviors.

Source: https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0223447