Cal. Fish & Game Code § 3513

It is unlawful to take or possess any migratory bird as designated in the federal Migratory Bird Treaty Act (16 U.S.C. Sec. 703 et seq.) before January 1, 2025, any additional migratory bird that may be designated in that federal act after that date, or any part of a migratory bird described in this section, except as provided by rules and regulations adopted by the United States Secretary of the Interior under that federal act before January 1, 2025, or subsequent rules or regulations adopted pursuant to that federal act, unless those rules or regulations are inconsistent with this code.