Wild pigs evolve and learn to apply tools

In the Parisian zoo some years spontaneous experiment on supervision over how pigs master instruments of labor proceeds. Everything began in the 2014th when the zoologist Meredith Ruth - Bernstein noticed strangeness – the visaysky warty pig by nickname Priscilla purposefully grabbed a piece of bark and started digging them the earth. This absolutely wild animal who never was exposed to training and could not learn at anybody to such behavior...