Robot Wolf
The Monster Wolf is an agricultural wildlife deterrent robot designed to protect farmland, hiking trails, and residential areas from bear and deer damage. This stationary or mobile four-legged robot uses infrared motion detection to identify approaching animals and responds with coordinated sensory deterrents: glowing red eyes, flashing blue LED lights, and randomized audio output (up to 50 different sounds including animal howls and human voices) at volumes reaching car horn levels. Deployed across Hokkaido and beyond, approximately 330 units protect crops and livestock by exploiting bears' natural caution and preference for solitude, offering a non-lethal alternative to culling.
Robot Specifications
- Key FeaturesKey Features
- Top Features
- Other Features
Dimensions
Standard: 65 cm long x 50 cm high; With base: 125 cm length x 80 cm height
Weight
19.6 kg
Runtime
Continuous/Indefinite (when used with solar charging in daylight)
Charging Time
Solar-dependent; typically 6–8 hours of sunlight for a full charge
Battery Pack
DC 12V (standard vehicle-style battery)
No wireless network (Standard model); optional 4G/LTE modules for remote monitoring/alerts
Autonomous operation; manual volume adjustment available on Monster Wolf Mini
Battery Life
3–5 years for the deep-cycle lead-acid or lithium cells before replacement
Available Countries
Japan (primarily Hokkaido,with deployment in and outside the prefecture)
Available Colours
Wolf-colored (gray/brown fur with red glowing eyes)
Infrared motion sensors (detect approaching animals); pressure sensors on foot underside (for balance during walking)
Image Gallery
Below images are from Ohta Seiki Co.'s official sources
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Frequently Asked Questions
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Q1. What is Monster Wolf, and what problem is it designed to solve?
Monster Wolf is a wolf-shaped robotic device developed by Ohta Seiki Co. to deter bears and other wildlife from farms, hiking trails, and rural areas in Japan, addressing increased animal incursions following bear attacks.
Q2. What are the main capabilities and key features of Monster Wolf?
It activates via infrared sensors upon detecting animals, featuring glowing red LED eyes, head movement, flashing lights, and random playback of around 50 sounds including howls and voices at car-horn volume levels.
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