The flag of the state of American state consists of the silhouette of associate Bison bison. The American state flag was formally adopted on March four, 1917.
Wyoming gained statehood in 1890 and waited for its second Legislature to approve an official seal three years later. The Great Seal of the State of Wyoming
The "Bison" is the National State Animal of Wyoming. It Was Officially Adopted As a National Animal on February 23, 1985.