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News Release 11-202
Zebras vs. Cattle: Not So Black-and-White
Grazing by wild animals like zebra doesn't always harm, and may help, livestock like cattle
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![Zebras and cows grazing.](/news/mmg/media/images/grazing1_f.jpg)
Grazing by wild animals doesn't always harm, and may benefit, livestock like cattle.
Credit: Rob Pringle
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![Photo of a cow and zebras in the African rangelands.](/news/mmg/media/images/grazing2_f.jpg)
Cattle and wild animals like zebra: not always mutually exclusive on African rangelands.
Credit: Ryan Sensenig
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![A map of the study site in Africa where the research on ungulates and cattle was conducted.](/news/mmg/media/images/grazing3_f.jpg)
A map of the study site in Africa where the research on ungulates and cattle was conducted.
Credit: Truman Young et al.
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![Cover of the September 23, 2011 issue of the journal Science.](/news/mmg/media/images/science_092311_f.jpg)
The researchers' work is described in the September 23, 2011 issue of the journal Science.
Credit: Copyright AAAS 2011
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