What is origin of the nickname the flickertail state?

The nickname "The Flickertail State" refers to North Dakota and originates from the flickertail ground squirrel, which is commonly found in the region. These squirrels are known for their characteristic flicking tails when they sense danger, which inspired the nickname. The term reflects the state's wildlife and has become a symbol of its natural heritage. Additionally, the nickname was popularized in the early 20th century as a way to promote tourism and state identity.