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The surprising reason why zebras have stripes. scientists finally have an answer. Researchers at the University of California, Davis, say it’s nature’s way of protecting them from the bites of blood-sucking flies. Evolution gave zebras shorter hair than similar species, like horses, leaving them more vulnerable to the wrath of blood-sucking flies,
There is a new theory on why zebras have black and white stripes. They believe that the zebra’s black and white fur works as an "optical protection" against insects – such as blood-sucking horseflies. The logic behind the temperature theory is that during hot weather, the black stripes get warmer than the white areas,
And that is why zebras in warmer climates have more stripes – in order to have more junctures between black and white stripes. And that apparently, makes a lot of difference: heavily striped zebras have on average 5.4 F (3 C) lower skin temperatures than other mammals in the same geographical location.
In the new study, Melin, Caro and colleagues donald kline and Chihiro Hiramatsu found that stripes cannot be involved in allowing the zebras to blend in with the background of their environment or in breaking up the outline of the zebra, because at the point at which predators can see zebras stripes, they probably already have heard or smelled their zebra prey.
But with 21st-century high-speed cameras, researchers have now put the debate. it would be fantastic.” [New York Times] 80beats is DISCOVER’s news aggregator, weaving together the choicest tidbits.
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But rarely are we told why zebras have those stripes to begin with. The question has intrigued UC Davis wildlife biology professor tim caro for more than a decade. In his new book, Zebra Stripes , Caro takes readers through his scientific and personal journey to get to the bottom of this mysterious and beautiful coloration.