The robot scarecrows are used to ward off bears in rural areas. Credit: Richard Atrero de Guzman via Getty Images Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent six days a week. Japan’s bear problem continues, and the country is running out of the robot wolves that help keep them at bay. First released in 2016 by the manufacturer Ohta, Monster Wolf was originally designed to ward off the agricultural foes like boars, deer, and the island nation’s Asian black bear ( Ursus thibetanus ) and brown bear ( Ursus arctos ) populations. The creative solution quickly went viral for its red LED eyes and menacing fangs—as well as its admittedly odd, furry pipe frame. Starting at around $4,000, each bespoke Monster Wolf is now equipped with battery power, solar panels, and detection sensors. Its speakers are programmed with over 50 audio clips including human voices and sirens audible over half a mile away. These aren’t assembly line products, however.…