500, 107 L.Ed.2 d 503 (1989)(«pit bull dogs represent
a unique public health hazard ․ [possessing] both the capacity for extraordinarily savage behavior ․ [a] capacity for uniquely vicious attacks ․ coupled with an unpredictable nature» and that «[o] f the 32 known human deaths in the United States due to dog attacks ․ [in the period between July 1983 and April 1989], 23 were caused by attacks by pit bull dogs»).