State Symbols— The Oklahoma state motto is "Labor Omnia Vincit" - Labor conquers all things. - — Oklahoma's nickname is the Sooner State. - — The state song is "Oklahoma!" from the Rodgers and Hammerstein musical of the same name. - — The state flag is an Osage warrior shield on a field of blue, with the shield crossed by a peace pipe and an olive branch. - — The Oklahoma state seal shows a pioneer and an Indian shaking hands beneath the Scales of Justice, centered in a star. The star's five rays each contain symbols of the Five Civilized Tribes. - — Oklahoma's state colors are green and white. - — The American bison is the Oklahoma state animal. - — The scissor-tailed flycatcher is the state bird. - — White or sand bass is the state fish. - — The state reptile is the Mountain Boomer or collared lizard. - — Rose rock is the Oklahoma state rock. - — The redbud is the state tree.