The map shows bison abundance and range over time, based on thousands of simulations. Abundance is shown as the number of bison per 76 km x 87 km grid cell. Grey indicates areas where there is ...

The state of Montana is suing the iconic Yellowstone National Park over its plan to increase the number of bison in and around the park. Loved by hikers and climbers alike, the 3,472 square-mile ...