Males can stand six feet from hoof to shoulder and weigh between 1000-2000 pounds. Females are around five feet tall and weigh between 800-1000 pounds. Bison have long shaggy brown fur, a mane and beard under their chin and a long tail with a tuft of hair at the end. They have big heads with short black horns and a hump on their shoulders. The American bison once was found in most of Canada, the United States and parts of Mexico.
Wild populations are now limited national parks and refuges.
Bison can be found in Yellowstone National Park in Wyoming, National Bison Range in the Flathead Valley of Montana, the Wichita Mountains National Wildlife Refuge in southwest Oklahoma, the Fort Niobrara National Wildlife Refuge in northern Nebraska, Sullys Hill National Wildlife Refuge in northwestern North Dakota, and Walnut Creek National Wildlife Refuge in central Iowa.as well as the Wood Buffalo National Park in Northwest Territory, Canada. Plains, prairies, river valleys. The American bison is a grazer. Its diet is made up of mostly grasses and sedges. They will occasionally eat berries and lichen.