California Code, Fish and Game Code - FGC § 2000.5

(a) Notwithstanding Section 219, 2000, or any other law, and notwithstanding any requirement for a permit or license or other entitlement to take a species, the accidental taking of a bird, mammal, reptile, or amphibian by collision with a vehicle while that vehicle is being operated on a roadway is not a violation of this code or a regulation adopted pursuant to this code.  Nothing in this section authorizes a person to possess any bird, mammal, reptile, or amphibian accidentally taken by collision with a vehicle as provided in this subdivision.  Animals accidentally taken on a roadway may be removed by the state or local agency having jurisdiction over the roadway.

(b) This section does not apply to Chapter 1.5 (commencing with Section 2050).