means any of the following:
Any animal which, when unprovoked, bites a person causing a less severe injury than as defined in Section 10.18.030.
Any animal which, when unprovoked, has seriously bitten, inflicted injury, or otherwise caused injury attacking a domestic animal. For the purposes of this chapter a domestic animal is any animal owned or kept by or under the control of any person.
Any animal which, in the judgment of an animal control officer, by virtue of its acts or disposition, has attacked or has the propensity to attack or bite any person or animal without provocation.
(Ord. 1535 § 1, 1996)