Wild Boar can be extremely aggressive towards invaders of their territory during their mating season which is in autumn and also when rearing their young in the springtime. So if you suspect there are Wild Boar in your Area, you would be well advised NOT to venture into those Areas during these times.
Note; how the Staff almost disappears into the depths of this Wallow.
With a little common sense though and respect for these wild creatures, there's no reason for panic, as Deer can be just as aggressive during their rutting season and when protecting their young.
What to Do ...
Do Not Venture into an Area where you know there are Wild Boar, during the Autumn and Springtime Months, unless with a Proper Guide that knows all the dangers and what to look out for. as I've repeated so many times in the past, most Wild Creatures will leave you alone, as long as you leave them alone and respect their space and nature.