Namie, which is in the northern Fukushima region of Japan, was one of several towns evacuated six years ago after an earthquake-induced meltdown at a nuclear plant less than three miles away spread radiation through the area.
The animals have reportedly settled into the abandoned homes and lost their shyness to humans, causing wranglers to express concern that returning residents may be attacked.
The organisation says that evacuation orders in much of the "heavily contaminated" village of Iitate - around 40km from the damaged nuclear plant - will be lifted by the end of the month.
Reuters reports that as some of the towns near Fukushima re-open, those paving the way for returning residents often see boars strolling the streets.
To make way for the return of townspeople, local officials are deploying hunters to kill off the boars.
Hype For Brock Lesnar vs. Goldberg At WWE WrestleMania 33
The pay-per-view will cost £14.95 for viewers in the United Kingdom and €21.95 for customers in the Republic of Ireland. And with Sasha Banks winning to Nia Jax, this sets up the return of Banks to becoming a heel and turn on Bailey.
Anxious that these contaminated boars may attack returning residents, city officials have begun clearing them out by using hunters, The New York Times reports.
Families who had to flee their homes after the Fukushima nuclear disaster are now being pressured to return despite high radiation levels in a "looming human rights crisis", a charity has warned.
In the nearby town of Tomioka, hunters set up 30 cages twice a week to capture boars, using rice flour as bait and killing them with air rifles.
While enraged, the boars have been known to attack the few people who remain in the area. The Washington Post reported past year on the animals, noting that scientists have found no evidence that the boars have any ill effects from radioactivity in their systems. "They stare squarely at us as if saying, "What in the world are you doing?' It's like our town has fallen under wild boars" control".
"After people left, they began coming down from the mountains and now they are not going back", Sakamoto told Reuters. "They found a place that's comfortable, there's plenty of food, and no one will come after them".