Ivory and Ebony • Earth.com

Both two-year-old Panepinto micro pigs, Ivory and Ebony were involved with Croney and Boysen’s study for over 15 months. Ivory was better than random chance on every level. With just one wall blocking his path, he hit the target 76% of the time! On one-wall and three-wall levels, Ebony performed better than chance. But these weren’t the most incredible findings. Photo Credit: Photo by Erik S. Lesser/Getty Images

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