Where damage is caused by an animal which does not belong to a dangerous species,a keeper of the animal is liable for the damage,except as otherwise provided by this Act,if:�
the damage is of a kind which the animal,unless
restrained,was likely to cause or which,if caused by the
animal,was likely to be severe;and
the likelihood of the damage or of its being severe was
due to characteristics of the animal which are not
normally found in animals of the same species or are not
normally so found except at particular times or in
particular circumstances;
and those characteristics were known to that keeper or were at any time known to a person who at that time had
charge of the animal as that keeper�s servant or,where
that keeper is the head of a household,were known to
another keeper of the animal who is a member of that
household and under the age of sixteen.