South Dakota (SD) Nickname: Coyote State, Mount Rushmore State Capital: Pierre Motto: Under God, the people rule Flower: Pasqueflower Bird: Ring-necked Pheasant (a.k.a. Common Pheasant) Tree: Black Hills spruce Song: Hail, South Dakota Entered Union: November 2, 1889 Rank: 40 The 50 State Quarters Program Release Date: November 6, 2006 Official Website of South Dakota