New Zealand established the first pastorally-based deer farms in the world in 1970, and remains the world's largest and most advanced extensive deer farming industry.
On the occasions when hunting has been tried, local animal rights people have worked to secure court orders against the hunts. And when that is failed, they stop the hunters, banging on pots and pans to alert the deer.
What sounds like your little brother's description of something scary, super monster wolf is actually sort of scare crow, except of warding off birds, this thing in Japan is meant to scare off deer and wild boar.