SAPPORO, Japan -- The "Monster Wolf," a robot developed at a small factory in Naie on Japan's northernmost main island, Hokkaido, is raising hopes -- and drawing a few double-takes -- in farming communities troubled by unwanted visits from wildlife.
Mechanical predators designed to protect crops and farm communities

Ohta Seiki's Monster Wolf detects wild animals with an infrared sensor and scares them away with flashing lights and loud noises. (Photo by Kotose Hamano)
SAPPORO, Japan -- The "Monster Wolf," a robot developed at a small factory in Naie on Japan's northernmost main island, Hokkaido, is raising hopes -- and drawing a few double-takes -- in farming communities troubled by unwanted visits from wildlife.