It shall be the duty of the chief of police of the city and such deputies as he may appoint for purpose, or any such agency designated so to do by an agreement or contract entered into by the city council pursuant to Government Code Section 6500, et seq., to seize or impound all dogs and other animals, whether licensed or unlicensed, found running at large on any public street, alley, park, square or place, or on any vacant or unenclosed lots of land within the corporate limits of the city. (Ord. 76-8 § 15, 1976)