Why Did Scientists Paint Eyes on Hundreds of Cattle Butts? To Save Lives, Study Says

For four years, researchers painted fake eyes on hundreds of cattle butts for the sake of science. What seems like a silly prank, the “eye-cow technique” proved lifesaving for the animals as it made predators rethink their attack, choosing another meal instead.

The scientists say their method is a more humane and “ecologically sound” alternative to lethal control and fencing used to separate cattle from carnivores. The team even theorizes the technique could be used to prevent human-wildlife conflicts and reduce criminal activity, according to a news release. A study was published Aug. 7 in the journal Communications Biology.

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