RUFFED GROUSE ADOPTED AS STATE BIRD Act of Jun. 22, 1931, P.L. 662, No. 234 Cl. 71 AN ACT To select and adopt the ruffed grouse as the State game bird of Pennsylvania. Section 1. Be it enacted, &c., That the ruffed grouse (bonasa umbellus) is hereby selected, designated and adopted as the State game bird of Pennsylvania. Section 2. This act shall be in force and effect from and after its passage.