For the purposes of this subchapter and the Migratory Bird Treaty Act ( et seq.), migratory birds are those defined as such by the treaty between the United States and Great Britain for the protection of migratory birds concluded (), the treaty between the United States and the United Mexican States for the protection of migratory birds and game mammals concluded (), the Convention between the Government of the United States of America and the Government of Japan for the Protection of Migratory Birds and Birds in Danger of Extinction, and their Environment concluded , and the Convention between the United States and the Union of Soviet Socialist Republics for the Conservation of Migratory Birds and their Environment concluded .16 U.S.C. 70339 Stat. 170250 Stat. 1311August 16, 19161916-08-16February 7, 19361936-02-07March 4, 19721972-03-04November 19, 19761976-11-19