A pet cow has been filmed picking up a handheld brush and flipping it — bristled side against her back and flanks, smooth handle for the sensitive skin of her udder and legs — adjusting her grip by body region, in what researchers call the first documented case of flexible tool use in cattle

The discovery challenges what scientists thought they knew about which animals can adapt tools to different tasks—a cognitive ability previously seen only in primates and a handful of other species. The post A pet cow has been filmed picking up a handheld brush and flipping it — bristled side against her back and flanks, smooth handle for the sensitive skin of her udder and legs — adjusting her…