City of Gretna issued the following announcement on Mar. 3.
Nickname: "the Cornhusker State," “the Tree Planters’ State”
Motto: "Equality Before the Law"
State Bird: Western meadowlark
State Fish: Channel catfish
State Insect: Honeybee
State Mammal: White-tailed deer
State Fossil: Mammoth
State Flower: Goldenrod
State Tree: Cottonwood
State Beverage: Milk
State Soft Drink: Kool-Aid
State Gemstone: Blue chalcedony
State Rock: Prairie agate
Original source can be found here.