Tau.Neutrino said:
Pigs Have Been Observed Using Tools For The First Time, And There’s Video Evidence
Over millions of years, humans have developed a talent for transforming bits of nature into objects that make daily tasks easier. We got so good at it, we started to think tool-use among animals was a rather exclusive club – as it turns out, we were wrong.
more…
> Adding to the long list of animals that use tools, we now have evidence that suggests pigs might be using sticks to construct their nests.
They make nests?
Given the environment, long term experince with humans, they could be copying human action. This isn’t like the crows, more like a clumsy attempt to avoid getting dirty.