CA Fish & Game Code Section 3003.5

It is unlawful to pursue, drive, or herd any bird or mammal with any motorized water, land, or air vehicle, including, but not limited to, a motor vehicle, airplane, powerboat, or snowmobile, except in any of the following circumstances:

(a)

On private property by the landowner or tenant thereof to haze birds or mammals for the purpose of preventing damage by that wildlife to private property.

(b)

Pursuant to a permit from the department issued under regulations as the commission may prescribe.

(c)

In the pursuit of agriculture.