Pigs at the Paris Zoo have learned to dig in the ground with spikes.

This is the first case recorded by scientists when pigs use tools. For a long time, it was believed that the ability to operate foreign objects is the ability of primates only," the story says.
Scientists noticed unusual behavior of pigs. They noted this as an unusual fact.
In Ukraine, there are 1,5 million pigs, but once they learn to dig holes with sticks - when the piglets gain the necessary weight - they are sent to a meat processing plant.