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Japan’s Monster Wolf robot surges as bear attacks rise

A snarling robot wolf once mocked as foolish is now backordered, as Japan’s bear crisis pushes villages to buy cheaper deterrence.

Sarah Chen··2 min read
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Japan’s Monster Wolf robot surges as bear attacks rise
Source: nypost.com

A flashing-eyed robot wolf that growls, howls and jerks its head to frighten animals has gone from curiosity to shortage item as Japan’s bear problem deepens. Ohta Seiki Co., the Hokkaido-based precision machining company behind Monster Wolf, has already taken about 50 orders this year, more than its usual total for an entire year, and customers are waiting two to three months for hand-built units.

The surge in demand came as bear encounters turned deadly. Japanese authorities confirmed the country’s first fatal bear attack of 2026 on May 8, after a record 13 bear deaths in 2025. Preliminary government data showed record sightings and killings in the 12 months to March 2026, underscoring how quickly the conflict has spread from mountain forests into ordinary working landscapes.

Monster Wolf was first released in 2016, when it was mocked as foolish because electric fences were the standard tool for keeping animals out of fields. The machine uses infrared sensors to detect approaching animals, then flashes lights, moves its head and emits loud sounds that later reporting put at about 90 decibels. It is now being placed not only around rice fields and orchards, but also near forest-edge villages and along hiking trails, where residents want a deterrent that is visible, immediate and cheaper to install than permanent fencing.

Yuji Ohta, the company’s president, has said the devices are made by hand, which limits how fast Ohta Seiki can turn orders around. Earlier reporting said about 330 Monster Wolves were already stationed across Japan, and inquiries at one point tripled, including roughly 10 from overseas. One inquiry came from India, where a potential buyer asked whether the machine could also scare off elephants.

The company has expanded the concept beyond the original model, developing a remote-controlled Wolf Mover and a portable Monster Wolf for hikers. That expansion suggests the real market is not novelty but adaptation: communities are searching for low-tech ways to protect crops, discourage risky encounters and reduce the need for culling or expensive barriers. In a year when bears have injured an estimated 235 people and killed 13 across 21 prefectures, with Akita reporting 66 cases, the robot wolf has become a sign of how wildlife pressure is reshaping rural spending and public safety.

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