If you go down to the woods today. (VIDEO) University of Tokyo This video is under embargo. Please login to access this video. Caption Brown bears in Shiretoko grow to between 1.3 meters and 2.3 meters tall and can weigh up to 400 kilograms. Their size and bulk mean that they need a plentiful supply of food, especially before hibernation. Cicada nymphs are not typically part of a bear’s diet, but have proved popular with local brown bears like this mother bear and her cub. Credit 2024 Tomita and Hiura Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. License CC BY-NC Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.