Wildlife Bull Bison crossing river in Yellowstone 4K

Wildlife Bull Bison crossing river in Yellowstone 4K. Yellowstone Park bison herd estimated at approximately 3 700 animals. Probably the oldest and largest public bison herd in the United States. The largest Bison on record was 2 800 pounds. The Park is known for its geothermal activity and large mammals especially elk wolves American bison bears pronghorns moose and bighorn sheep. Known as American Buffalo these majestic wildlife once numbered over 25 million in the USA. 4K UHD HD video footage. Don Despain of Rekindle Photo. 019